{"title":"Gas condensing boilers","description":"\u003ch2\u003eViessmann and Domusa gas condensing boilers\u003c\/h2\u003e\u003cp\u003eA \u003cstrong\u003egas condensing boiler\u003c\/strong\u003e provides heating and hot water by recovering the heat in the flue gas vapour. Q-Tech brings together here the gas boilers we sell today, grouped by brand, each with its original components.\u003c\/p\u003e\u003ch3\u003eChoose your collection\u003c\/h3\u003e\u003ctable\u003e\u003ctbody\u003e\u003ctr\u003e\u003cth\u003eCollection\u003c\/th\u003e\u003cth\u003eWhat it includes\u003c\/th\u003e\u003c\/tr\u003e\u003ctr\u003e\u003cth\u003e\u003ca href=\"\/en-en\/collections\/calderas-gas-h2-ready-preparadas-para-hidrogeno\" title=\"Viessmann H2 Ready gas boilers and components\"\u003eViessmann H2 Ready gas boilers and components\u003c\/a\u003e\u003c\/th\u003e\u003ctd\u003eVitodens 050-W, 100-W, 111-W and 200-W wall-hung boilers and the ADIO extension module\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003cth\u003e\u003ca href=\"\/en-en\/collections\/domusa-gas-boilers-and-components\" title=\"Domusa gas boilers and components\"\u003eDomusa gas boilers and components\u003c\/a\u003e\u003c\/th\u003e\u003ctd\u003eAvanttia NG floor-standing boiler with stainless tank and its original components\u003c\/td\u003e\u003c\/tr\u003e\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003eInstallation accessories are in \u003ca href=\"\/en-en\/collections\/gas-boiler-accessories\" title=\"Gas boiler accessories\"\u003eGas boiler accessories\u003c\/a\u003e, and oil boilers in \u003ca href=\"\/en-en\/collections\/calderas-gasoil\" title=\"Oil condensing boilers\"\u003eOil condensing boilers\u003c\/a\u003e.\u003c\/p\u003e\u003cp\u003eYou can receive your boiler inside a \u003cstrong\u003epre-assembled plant room\u003c\/strong\u003e: Q-Tech assembles, configures and tests it in our workshop. See the process in \u003ca href=\"\/en-en\/pages\/pre-montaje-avanzado\" title=\"Advanced pre-assembly of plant rooms\"\u003ePre-Montaje Avanzado\u003c\/a\u003e; to choose with the data of your case, message us on \u003ca href=\"https:\/\/wa.me\/qtechhouses\" target=\"_blank\" rel=\"noopener\"\u003eWhatsApp\u003c\/a\u003e.\u003c\/p\u003e\u003cp class=\"qt-version\"\u003eFP54·261108\u003c\/p\u003e","products":[{"product_id":"caldera-mural-de-condensacion-a-gas-vitodens-100-w-viessmann-conectividad-y-alto-rendimiento-1-10","title":"Viessmann Vitodens 100-W wall-hung gas condensing boiler","description":"\u003ch2\u003eVitodens 100-W wall-hung gas condensing boiler: compact, connected and hydrogen-ready\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eViessmann Vitodens 100-W\u003c\/strong\u003e is a wall-hung condensing boiler for natural gas or propane, available as a heating-only or combi model with instant hot water. \u003cstrong\u003eQ-Tech integrates it into its pre-assembled plant room\u003c\/strong\u003e: it arrives assembled, tested and ready to connect. Viessmann approves it for natural gas with up to 20 % hydrogen.\u003c\/p\u003e\n\u003ch3\u003eSummary\u003c\/h3\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\u003cth\u003eType\u003c\/th\u003e\u003ctd\u003eWall-hung gas condensing boiler\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eBrand and model\u003c\/th\u003e\u003ctd\u003eViessmann Vitodens 100-W, types B1HG (heating only) and B1KG (combi)\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eUse\u003c\/th\u003e\u003ctd\u003eHeating and domestic hot water in houses and flats\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eOutput\u003c\/th\u003e\u003ctd\u003e3.2 to 32 kW for heating; up to 34.2 kW for hot water (combi models)\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eEfficiency\u003c\/th\u003e\u003ctd\u003eSeasonal energy efficiency of 93 to 94 %, class A\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eFuel\u003c\/th\u003e\u003ctd\u003eNatural gas (up to 20 % hydrogen) or propane, no conversion kit\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eConnectivity\u003c\/th\u003e\u003ctd\u003eBuilt-in WiFi and ViCare app\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003ePower supply\u003c\/th\u003e\u003ctd\u003e230 V, 50 Hz\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eSupply\u003c\/th\u003e\u003ctd\u003eThe reference includes the boiler, the flue outlet and the connections, according to the Viessmann price list\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eManufacturer's warranty\u003c\/th\u003e\u003ctd\u003e10 years on the Inox-Radial heat exchanger, under Viessmann's terms\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eQ-Tech installation\u003c\/th\u003e\u003ctd\u003eIntegrated and tested in the \u003ca href=\"\/en-en\/pages\/pre-montaje-avanzado\" title=\"Advanced pre-assembly of plant rooms\"\u003epre-assembled plant room\u003c\/a\u003e in our workshop\u003c\/td\u003e\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch3\u003eWhat is the Vitodens 100-W?\u003c\/h3\u003e\n\u003cp\u003eThe Viessmann Vitodens 100-W is a wall-hung gas condensing boiler for homes that \u003cstrong\u003emodulates up to 1:10 in the 32 kW model\u003c\/strong\u003e. It recovers the heat of the flue gases in a stainless steel Inox-Radial heat exchanger. It hangs on the wall of a kitchen, utility room or plant room.\u003c\/p\u003e\n\u003ch3\u003eVitodens 100-W technology\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eStainless steel MatriX-Plus burner with Lambda Pro automatic combustion control, which adapts to the gas quality, according to Viessmann.\u003c\/li\u003e\n\u003cli\u003eInox-Radial heat exchanger made of high-alloy stainless steel, with a self-cleaning effect.\u003c\/li\u003e\n\u003cli\u003eBuilt-in high-efficiency circulation pump and 8-litre expansion vessel.\u003c\/li\u003e\n\u003cli\u003eOperation with a display and touch buttons, or from your phone with the ViCare app over the built-in WiFi.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhat problem does it solve?\u003c\/h3\u003e\n\u003cp\u003eMany homes still run an old gas boiler that uses too much gas and keeps switching on and off. The Vitodens 100-W adjusts its output to the real demand, uses the heat of the flue gases and can be controlled from your phone.\u003c\/p\u003e\n\u003cp\u003eA badly chosen boiler is too big for the house or runs short of hot water. That is why the type, combi or heating only, and the output should be chosen for the home, the number of bathrooms and the heating system.\u003c\/p\u003e\n\u003ch3\u003eTechnical data\u003c\/h3\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\u003cth\u003eModulation range\u003c\/th\u003e\u003ctd\u003eUp to 1:10 (1:6, 1:8 and 1:10 depending on output)\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eStandard efficiency\u003c\/th\u003e\u003ctd\u003eUp to 98 % on gross calorific value (GCV)\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eNOx emissions\u003c\/th\u003e\u003ctd\u003eClass 6, below 56 mg per kWh\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eNatural gas\u003c\/th\u003e\u003ctd\u003e20 mbar supply pressure\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003ePropane\u003c\/th\u003e\u003ctd\u003e50 mbar supply pressure; changeover from the control unit\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eMaximum flow temperature\u003c\/th\u003e\u003ctd\u003e82 °C\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eExpansion vessel\u003c\/th\u003e\u003ctd\u003e8 litres, pre-charge pressure 0.75 bar\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003ePermissible operating pressure\u003c\/th\u003e\u003ctd\u003e3 bar\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eSound power level at partial load\u003c\/th\u003e\u003ctd\u003e31.9 dB(A)\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eDimensions\u003c\/th\u003e\u003ctd\u003e700 mm high, 400 mm wide and 360 mm deep\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eGas connection\u003c\/th\u003e\u003ctd\u003eR ¾\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eFlow and return\u003c\/th\u003e\u003ctd\u003eG ¾ (with connection accessory)\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eCold and hot water\u003c\/th\u003e\u003ctd\u003eG ½ (with connection accessory)\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eFlue outlet\u003c\/th\u003e\u003ctd\u003eConcentric 60 and 100 mm, up to 20 m (30 m with 80 and 125 mm)\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eCE approval\u003c\/th\u003e\u003ctd\u003eCE-0085DL0217\u003c\/td\u003e\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003cp\u003eData from the Viessmann domestic price list of September 2026 and viessmann.es.\u003c\/p\u003e\n\u003ch3\u003eModels and data by variant\u003c\/h3\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\u003cth\u003eModel\u003c\/th\u003e\u003cth\u003eType\u003c\/th\u003e\u003cth\u003eHeating output at 50\/30 °C\u003c\/th\u003e\u003cth\u003eHeating output at 80\/60 °C\u003c\/th\u003e\u003cth\u003eHot water output\u003c\/th\u003e\u003cth\u003eHot water flow rate (ΔT 30 K)\u003c\/th\u003e\u003cth\u003eSeasonal efficiency\u003c\/th\u003e\u003cth\u003eEmpty weight\u003c\/th\u003e\u003cth\u003eReference\u003c\/th\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003e19 kW\u003c\/th\u003e\u003ctd\u003eHeating only B1HG\u003c\/td\u003e\u003ctd\u003e3.2 to 19 kW\u003c\/td\u003e\u003ctd\u003e2.9 to 17.5 kW\u003c\/td\u003e\u003ctd\u003eWith a separate cylinder\u003c\/td\u003e\u003ctd\u003eDepends on the cylinder\u003c\/td\u003e\u003ctd\u003e93 %\u003c\/td\u003e\u003ctd\u003e32 kg\u003c\/td\u003e\u003ctd\u003eZ031600\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003e25 kW\u003c\/th\u003e\u003ctd\u003eHeating only B1HG\u003c\/td\u003e\u003ctd\u003e3.2 to 25 kW\u003c\/td\u003e\u003ctd\u003e2.9 to 23 kW\u003c\/td\u003e\u003ctd\u003eWith a separate cylinder\u003c\/td\u003e\u003ctd\u003eDepends on the cylinder\u003c\/td\u003e\u003ctd\u003e94 %\u003c\/td\u003e\u003ctd\u003e32 kg\u003c\/td\u003e\u003ctd\u003eZ031601\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003e32 kW\u003c\/th\u003e\u003ctd\u003eHeating only B1HG\u003c\/td\u003e\u003ctd\u003e3.2 to 32 kW\u003c\/td\u003e\u003ctd\u003e2.9 to 29.3 kW\u003c\/td\u003e\u003ctd\u003eWith a separate cylinder\u003c\/td\u003e\u003ctd\u003eDepends on the cylinder\u003c\/td\u003e\u003ctd\u003e94 %\u003c\/td\u003e\u003ctd\u003e32 kg\u003c\/td\u003e\u003ctd\u003eZ031602\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003e19 and 27 kW\u003c\/th\u003e\u003ctd\u003eCombi B1KG\u003c\/td\u003e\u003ctd\u003e3.2 to 19 kW\u003c\/td\u003e\u003ctd\u003e2.9 to 17.5 kW\u003c\/td\u003e\u003ctd\u003e26.8 kW\u003c\/td\u003e\u003ctd\u003e14.45 l per minute\u003c\/td\u003e\u003ctd\u003e93 %\u003c\/td\u003e\u003ctd\u003e35 kg\u003c\/td\u003e\u003ctd\u003eZ031606\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003e25 and 32 kW\u003c\/th\u003e\u003ctd\u003eCombi B1KG\u003c\/td\u003e\u003ctd\u003e3.2 to 25 kW\u003c\/td\u003e\u003ctd\u003e2.9 to 23 kW\u003c\/td\u003e\u003ctd\u003e31.1 kW (31.7 kW on propane)\u003c\/td\u003e\u003ctd\u003e15.59 l per minute\u003c\/td\u003e\u003ctd\u003e94 %\u003c\/td\u003e\u003ctd\u003e35 kg\u003c\/td\u003e\u003ctd\u003eZ031607\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003e32 and 35 kW\u003c\/th\u003e\u003ctd\u003eCombi B1KG\u003c\/td\u003e\u003ctd\u003e3.2 to 32 kW\u003c\/td\u003e\u003ctd\u003e2.9 to 29.3 kW\u003c\/td\u003e\u003ctd\u003e34.2 kW\u003c\/td\u003e\u003ctd\u003e17.04 l per minute\u003c\/td\u003e\u003ctd\u003e94 %\u003c\/td\u003e\u003ctd\u003e35 kg\u003c\/td\u003e\u003ctd\u003eZ031608\u003c\/td\u003e\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch3\u003eCompatibility and limits\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eIt runs on natural gas, natural gas with up to 20 % hydrogen, or propane.\u003c\/li\u003e\n\u003cli\u003eThe B1KG combi models produce hot water instantly; the B1HG models need a separate cylinder for hot water.\u003c\/li\u003e\n\u003cli\u003eIt is fixed to the wall with a Viessmann mounting frame ordered separately: ZK04919 for combi models and ZK04307 for heating-only models, according to the Viessmann price list.\u003c\/li\u003e\n\u003cli\u003eADIO modules extend the control (mixing valve circuit, low loss header or DHW recirculation pump), one module of each type per boiler.\u003c\/li\u003e\n\u003cli\u003eThe reference includes the boiler, the connection set with valves and the 60\/100 mm concentric wall flue outlet; flue extensions and bends are chosen for each installation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhen this product is not the right choice\u003c\/h3\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\u003cth\u003eProduct\u003c\/th\u003e\u003cth\u003eWhen to choose it\u003c\/th\u003e\u003cth\u003eWhat changes\u003c\/th\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003e\u003ca href=\"\/en-en\/products\/caldera-condensacion-gas-vitodens-050w-viessmann\" title=\"Viessmann Vitodens 050-W boiler\"\u003eVitodens 050-W\u003c\/a\u003e\u003c\/th\u003e\u003ctd\u003eSmall home with a simple combi boiler\u003c\/td\u003e\u003ctd\u003eCombi only, 19 or 25 kW for heating; modulation up to 1:8\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003e\u003ca href=\"\/en-en\/products\/caldera-de-condensacion-vitodens-111-w-viessmann-con-interacumulador-46l-integrado\" title=\"Viessmann Vitodens 111-W boiler\"\u003eVitodens 111-W\u003c\/a\u003e\u003c\/th\u003e\u003ctd\u003eMore hot water without an external cylinder\u003c\/td\u003e\u003ctd\u003eIntegrated 46-litre stainless steel cylinder\u003c\/td\u003e\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch3\u003eFrequently asked questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhich model do I need?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eIt depends on the home and the hot water. For instant hot water without a cylinder, choose a B1KG combi; if you already have or want a cylinder, a B1HG. The output is sized from the heat losses of the house.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes it replace the Vitodens 100-W B1KF?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. Types B1HG and B1KG are the current generation in the Viessmann price list of September 2026 and replace types B1HF and B1KF.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes it run on propane?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. According to Viessmann, the changeover to propane is made from the control unit and needs no conversion kit.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs it hydrogen-ready?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes, as a blend. Viessmann approves it for natural gas with a hydrogen content of up to 20 %.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the delivery time?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWe have it in stock in our warehouse. Because of its weight, shipping is quoted separately.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I install it myself?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo. A gas boiler must be installed and registered by a licensed installation company; Q-Tech coordinates it with a partner installer, quoted separately.\u003c\/p\u003e\n\u003ch3\u003eQ-Tech installation and support\u003c\/h3\u003e\n\u003cp\u003eQ-Tech assembles, configures and tests the Vitodens 100-W in its workshop, inside a \u003cstrong\u003epre-assembled plant room\u003c\/strong\u003e. The plant room \u003cstrong\u003earrives tested and ready to connect\u003c\/strong\u003e; the final connection is made by the site installer or by Q-Tech with the \u003ca href=\"\/en-en\/products\/tecnico-experto-instalacion\" title=\"On-site Expert Technician per day\"\u003eOn-site Expert Technician per day\u003c\/a\u003e. More details in \u003ca href=\"\/en-en\/pages\/pre-montaje-avanzado\" title=\"Advanced pre-assembly of plant rooms\"\u003ePre-Montaje Avanzado\u003c\/a\u003e and in the \u003ca href=\"\/en-en\/products\/tecnico-experto-pre-montaje-nave\" title=\"Expert Technician workshop pre-assembly\"\u003eExpert Technician workshop pre-assembly\u003c\/a\u003e service.\u003c\/p\u003e\n\u003cp\u003eIf the installation already exists, first book the verification visit with the \u003ca href=\"\/en-en\/products\/tecnico-experto-in-situ-horas\" title=\"On-site Expert Technician by the hour\"\u003eOn-site Expert Technician by the hour\u003c\/a\u003e. For questions, book a \u003ca href=\"\/en-en\/products\/tecnico-experto-llamada-tecnica\" title=\"Expert Technician technical call\"\u003etechnical call\u003c\/a\u003e or message us on \u003ca href=\"https:\/\/wa.me\/qtechhouses\" target=\"_blank\" rel=\"noopener\"\u003eWhatsApp\u003c\/a\u003e. See the full range in \u003ca href=\"\/en-en\/collections\/calderas-gas-h2-ready-preparadas-para-hidrogeno\" title=\"Viessmann H2 Ready gas boilers and components\"\u003eViessmann H2 Ready gas boilers and components\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch3\u003eDocumentation\u003c\/h3\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/www.viessmann.es\/es\/productos\/calderas-a-gas\/vitodens-100-w-vitodens-111-w.html\" target=\"_blank\" rel=\"noopener\" title=\"Vitodens 100-W on viessmann.es\"\u003eOfficial Vitodens 100-W page on viessmann.es\u003c\/a\u003e (in Spanish), with the brochure and technical data.\u003c\/p\u003e\n\u003cdiv class=\"qt-calc\" style=\"display:flex;flex-wrap:wrap;align-items:center;gap:16px;margin:1.6em 0;\"\u003e\u003cdiv style=\"flex:1 1 280px;padding:16px 18px;border:1px solid rgba(27,34,48,0.14);border-radius:12px;background:rgba(27,34,48,0.03);\"\u003e\u003cp style=\"margin:0 0 8px;\"\u003e\u003cstrong\u003eQ-Tech VDI 2035 calculator\u003c\/strong\u003e\u003c\/p\u003e\u003cp style=\"margin:0 0 8px;\"\u003eCheck whether the water in your heating system meets the VDI 2035 guideline (Part 1, 2021). Enter the output, the system volume in litres and the hardness and conductivity of your mains water: the calculator gives you the verdict and the three key figures for filling or topping up the circuit. If you need it, we will send you the full report.\u003c\/p\u003e\u003cp style=\"margin:0;font-size:0.85em;opacity:0.75;\"\u003eGuidance only: check the manufacturer's requirements.\u003c\/p\u003e\u003c\/div\u003e\u003ca href=\"\/en-en\/pages\/calculadora-vdi-2035\" title=\"Open the VDI 2035 calculator\" style=\"flex:1 1 280px;display:block;border-radius:12px;overflow:hidden;box-shadow:0 4px 14px rgba(27,34,48,0.12);\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0015\/4592\/8792\/files\/vdi2035-calculadora-banner-qtech-en.webp?v=1794073125\" alt=\"VDI 2035 calculator: check whether your system water meets the guideline. Open the calculator\" width=\"2400\" height=\"1200\" loading=\"lazy\" style=\"display:block;width:100%;height:auto;\"\u003e\u003c\/a\u003e\u003c\/div\u003e\n\u003cp class=\"qt-nota-stock\"\u003e\u003cstrong\u003eAvailability and lead times:\u003c\/strong\u003e this item is in stock in our warehouse. Occasionally, depending on the time of year, an error may occur in the stock update. If no units are available at the time of your order, we will order it urgently and inform you immediately of the updated delivery time.\u003c\/p\u003e\n","brand":"Viessmann","offers":[{"title":"19 kW heating only B1HG","offer_id":12317477929048,"sku":"VI-Z031600","price":2399.96,"currency_code":"EUR","in_stock":true},{"title":"25 kW heating only B1HG","offer_id":12317477961816,"sku":"VI-Z031601","price":2532.23,"currency_code":"EUR","in_stock":true},{"title":"32 kW heating only B1HG","offer_id":19468871532632,"sku":"VI-Z031602","price":3088.76,"currency_code":"EUR","in_stock":true},{"title":"19 kW combi, 27 kW DHW B1KG","offer_id":19468873433176,"sku":"VI-Z031606","price":2526.41,"currency_code":"EUR","in_stock":true},{"title":"25 kW combi, 32 kW DHW B1KG","offer_id":47473861951832,"sku":"VI-Z031607","price":2669.49,"currency_code":"EUR","in_stock":true},{"title":"32 kW combi, 35 kW DHW B1KG","offer_id":47473868833112,"sku":"VI-Z031608","price":3245.98,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0015\/4592\/8792\/files\/viessmann-vitodens-100-w-caldera-mural-condensacion-gas-frontal.webp?v=1794132859"},{"product_id":"caldera-de-condensacion-viessmann-vitodens-200-w-intercambiador-inoxidable-y-lambda-pro","title":"Viessmann Vitodens 200-W wall-hung gas condensing boiler, combi or heat-only","description":"\u003ch2\u003eWall-hung gas condensing boiler, combi or heat-only, with 1:17 modulation\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eViessmann Vitodens 200-W\u003c\/strong\u003e is a wall-hung gas condensing boiler rated \u003cstrong\u003e1.9 to 32 kW\u003c\/strong\u003e, available as a heat-only system boiler (B2HH) or a combi (B2KH). At Q-Tech we deliver it built into your pre-assembled plant room, tested in our workshop.\u003c\/p\u003e\n\u003ch3\u003eSummary\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\u003cth\u003eType\u003c\/th\u003e\u003ctd\u003eWall-hung gas condensing boiler, heat-only or combi\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eBrand and model\u003c\/th\u003e\u003ctd\u003eViessmann Vitodens 200-W, models B2HH and B2KH\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eUse\u003c\/th\u003e\u003ctd\u003eHeating and domestic hot water (DHW) in flats and houses, new build and refurbishment\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eRated output\u003c\/th\u003e\u003ctd\u003e1.9 to 19, 25 or 32 kW depending on the variant, at 50 °C flow and 30 °C return\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eCompatible with\u003c\/th\u003e\u003ctd\u003eNatural gas and LPG; natural gas blended with up to 20% hydrogen by volume\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003ePower supply\u003c\/th\u003e\u003ctd\u003e230 V, 50 Hz\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eQ-Tech installation\u003c\/th\u003e\u003ctd\u003eBuilt into a pre-assembled plant room with the \u003ca href=\"\/en-en\/pages\/pre-montaje-avanzado\"\u003eAdvanced Pre-Assembly\u003c\/a\u003e service\u003c\/td\u003e\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eWhat is the Vitodens 200-W?\u003c\/h3\u003e\n\u003cp\u003eThe Vitodens 200-W from Viessmann is a wall-hung gas condensing boiler for heating and hot water that modulates up to 1:17. The B2HH version heats domestic water through a separate cylinder and the B2KH through a built-in plate heat exchanger.\u003c\/p\u003e\n\u003ch3\u003eViessmann technology in the Vitodens 200-W\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMatriX-Plus burner with Lambda Pro Plus combustion control, which matches the boiler to the gas quality and to LPG.\u003c\/li\u003e\n\u003cli\u003eInox-Radial heat exchanger in high-alloy stainless steel, with standard seasonal efficiency of up to 98% gross calorific value according to Viessmann.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhat problem does it solve?\u003c\/h3\u003e\n\u003cp\u003eAn oversized boiler starts and stops many times when the home needs little heat. The Vitodens 200-W turns down to 1.9 kW and works with \u003cstrong\u003emodulation up to 1:17\u003c\/strong\u003e, with fewer burner starts according to Viessmann.\u003c\/p\u003e\n\u003cp\u003eWhen an old boiler is replaced, space and hot water decide the model. The Vitodens 200-W offers combi and heat-only versions in the same compact casing.\u003c\/p\u003e\n\u003ch3\u003eTechnical data\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\u003cth\u003eRated output at 80 °C flow and 60 °C return\u003c\/th\u003e\u003ctd\u003e1.7 to 17.5, 23 or 29.3 kW\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eModulation range\u003c\/th\u003e\u003ctd\u003eUp to 1:17 (32 kW)\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eStandard seasonal efficiency\u003c\/th\u003e\u003ctd\u003eUp to 98% gross calorific value, at 40 °C flow and 30 °C return\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eEnergy efficiency class\u003c\/th\u003e\u003ctd\u003eA for heating\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eNOx class\u003c\/th\u003e\u003ctd\u003e6\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eExpansion vessel\u003c\/th\u003e\u003ctd\u003e10 litres, built in\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eDimensions\u003c\/th\u003e\u003ctd\u003e360 mm deep, 450 mm wide and 700 mm high\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eEmpty weight\u003c\/th\u003e\u003ctd\u003e33 kg (B2HH) and 34.5 kg (B2KH)\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eFuel\u003c\/th\u003e\u003ctd\u003eNatural gas and LPG; LPG conversion is set in the controller, no kit needed\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eController\u003c\/th\u003e\u003ctd\u003e3.5-inch black and white display; built-in WiFi and ViCare app\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eProtection rating\u003c\/th\u003e\u003ctd\u003eIP X4\u003c\/td\u003e\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eModels and data by variant\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\u003cth\u003eVariant\u003c\/th\u003e\u003cth\u003eViessmann reference\u003c\/th\u003e\u003cth\u003eRated output at 50 °C flow\u003c\/th\u003e\u003cth\u003eHot water output\u003c\/th\u003e\u003cth\u003eHot water flow rate at 30 K rise\u003c\/th\u003e\u003cth\u003eSeasonal space heating efficiency\u003c\/th\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eB2HH 19 kW\u003c\/th\u003e\u003ctd\u003eZ029702\u003c\/td\u003e\u003ctd\u003e1.9 to 19 kW\u003c\/td\u003e\u003ctd\u003e17.5 kW with a separate cylinder\u003c\/td\u003e\u003ctd\u003eDepends on the cylinder\u003c\/td\u003e\u003ctd\u003e93%\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eB2HH 25 kW\u003c\/th\u003e\u003ctd\u003eZ029703\u003c\/td\u003e\u003ctd\u003e1.9 to 25 kW\u003c\/td\u003e\u003ctd\u003e23 kW with a separate cylinder\u003c\/td\u003e\u003ctd\u003eDepends on the cylinder\u003c\/td\u003e\u003ctd\u003e94%\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eB2HH 32 kW\u003c\/th\u003e\u003ctd\u003eZ029704\u003c\/td\u003e\u003ctd\u003e1.9 to 32 kW\u003c\/td\u003e\u003ctd\u003e29.3 kW with a separate cylinder\u003c\/td\u003e\u003ctd\u003eDepends on the cylinder\u003c\/td\u003e\u003ctd\u003e94%\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eB2KH 19 kW\u003c\/th\u003e\u003ctd\u003eZ029705\u003c\/td\u003e\u003ctd\u003e1.9 to 19 kW\u003c\/td\u003e\u003ctd\u003e26.2 kW instantaneous\u003c\/td\u003e\u003ctd\u003e14.5 litres per minute\u003c\/td\u003e\u003ctd\u003e93%\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eB2KH 25 kW\u003c\/th\u003e\u003ctd\u003eZ029706\u003c\/td\u003e\u003ctd\u003e1.9 to 25 kW\u003c\/td\u003e\u003ctd\u003e30.4 kW instantaneous\u003c\/td\u003e\u003ctd\u003e15.6 litres per minute\u003c\/td\u003e\u003ctd\u003e93%\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eB2KH 32 kW\u003c\/th\u003e\u003ctd\u003eZ029707\u003c\/td\u003e\u003ctd\u003e1.9 to 32 kW\u003c\/td\u003e\u003ctd\u003e33.5 kW instantaneous\u003c\/td\u003e\u003ctd\u003e17 litres per minute\u003c\/td\u003e\u003ctd\u003e94%\u003c\/td\u003e\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eCompatibility and limits\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eRuns on natural gas and LPG; Viessmann declares it suitable for blends with \u003cstrong\u003eup to 20% hydrogen\u003c\/strong\u003e by volume.\u003c\/li\u003e\n\u003cli\u003eThe B2HH needs a \u003cstrong\u003eseparate cylinder for hot water\u003c\/strong\u003e; the B2KH produces it on demand.\u003c\/li\u003e\n\u003cli\u003eIt needs the Viessmann mounting rail or valve set, ordered separately.\u003c\/li\u003e\n\u003cli\u003eWith the ViCare Smart Climate accessories it controls the temperature of up to 20 rooms from the ViCare app.\u003c\/li\u003e\n\u003cli\u003eExtra functions with the \u003ca href=\"\/en-en\/products\/modulo-electronico-de-ampliacion-adio-viessmann-para-gestion-de-circuitos-y-funciones\"\u003eViessmann ADIO extension module\u003c\/a\u003e, and it accepts the \u003ca href=\"\/en-en\/products\/vitotrol-300-e\"\u003eVitotrol 300-E\u003c\/a\u003e remote control.\u003c\/li\u003e\n\u003cli\u003eIt is Hybrid Ready: a heat pump or solar thermal can be added later, according to Viessmann.\u003c\/li\u003e\n\u003cli\u003eIt reaches 32 kW rated output; for more, the \u003ca href=\"\/en-en\/products\/viessmann-vitodens-200-w-b2ha-caldera-gas-condensacion-49-99-kw\"\u003eVitodens 200-W B2HA, 49 to 99 kW\u003c\/a\u003e.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhen this product is not the right choice\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\u003cth\u003eProduct\u003c\/th\u003e\u003cth\u003eWhen to choose it\u003c\/th\u003e\u003cth\u003eRated output\u003c\/th\u003e\u003cth\u003eHot water\u003c\/th\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003e\u003ca href=\"\/en-en\/products\/caldera-de-condensacion-vitodens-111-w-viessmann-con-interacumulador-46l-integrado\"\u003eVitodens 111-W\u003c\/a\u003e\u003c\/th\u003e\u003ctd\u003eIf you need stored hot water without a floor-standing cylinder\u003c\/td\u003e\u003ctd\u003e3.2 to 32 kW\u003c\/td\u003e\u003ctd\u003eBuilt-in 46-litre cylinder\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003e\u003ca href=\"\/en-en\/products\/caldera-mural-de-condensacion-a-gas-vitodens-100-w-viessmann-conectividad-y-alto-rendimiento-1-10\"\u003eVitodens 100-W\u003c\/a\u003e\u003c\/th\u003e\u003ctd\u003eIf a combi boiler with modulation up to 1:10 is enough\u003c\/td\u003e\u003ctd\u003e3.2 to 32 kW\u003c\/td\u003e\u003ctd\u003eInstantaneous\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003e\u003ca href=\"\/en-en\/products\/caldera-condensacion-gas-vitodens-050w-viessmann\"\u003eVitodens 050-W\u003c\/a\u003e\u003c\/th\u003e\u003ctd\u003eIf you want the Viessmann entry range for low outputs\u003c\/td\u003e\u003ctd\u003e3.2 to 25 kW\u003c\/td\u003e\u003ctd\u003eInstantaneous\u003c\/td\u003e\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eFrequently asked questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhich model do I need?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe B2KH if you want instantaneous hot water without a tank, and the B2HH if you have or will fit a cylinder. The output comes from the heating load of your home; a \u003ca href=\"\/en-en\/products\/expert-technician-remote-technical-call\"\u003etechnical call with an Expert Technician\u003c\/a\u003e helps you choose it.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes it replace the Vitodens 200-W B2HF and B2KF?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. The B2HH and B2KH are the current generation in the Viessmann price list and replace references Z022768 to Z022773, output for output.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is included and what must be ordered separately?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eIt includes a 10-litre expansion vessel, a high-efficiency pump and a WiFi controller. The mounting rail or valve set is ordered separately.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the delivery time?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eIt is in stock at our warehouse. It ships on a pallet and transport is quoted separately.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I install it myself?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo. The gas connection and commissioning must be done by a licensed installation company. Q-Tech delivers it built into a pre-assembled plant room or connects it on site with its Expert Technician.\u003c\/p\u003e\n\u003ch3\u003eQ-Tech installation and support\u003c\/h3\u003e\n\u003cp\u003eWith \u003ca href=\"\/en-en\/pages\/pre-montaje-avanzado\"\u003eAdvanced Pre-Assembly\u003c\/a\u003e, our \u003ca href=\"\/en-en\/products\/tecnico-experto-pre-montaje-nave\"\u003eExpert Technician assembles in the workshop\u003c\/a\u003e the Vitodens 200-W with the rest of your plant room: wiring, parameter setting and testing, with safety, function and pressure tests. Your plant room \u003cstrong\u003earrives configured and ready to connect\u003c\/strong\u003e, documented with photos and a report.\u003c\/p\u003e\n\u003cp\u003eOn site only the final connection remains, made by your installer or by Q-Tech \u003cstrong\u003efrom one working day\u003c\/strong\u003e depending on the type and size of the room. The result: fewer site visits, fewer companies working in the same room at once and fewer technical issues. If another company installs the boiler, Q-Tech completes the electrics and controls after a verification visit with the \u003ca href=\"\/en-en\/products\/tecnico-experto-in-situ-horas\"\u003eon-site hourly Expert Technician\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003eSee the full range in \u003ca href=\"\/en-en\/collections\/calderas-gas-h2-ready-preparadas-para-hidrogeno\"\u003eViessmann H2 Ready gas boilers and components\u003c\/a\u003e, the \u003ca href=\"\/en-en\/collections\/tecnico-experto\"\u003eExpert Technician services\u003c\/a\u003e or write to us from the \u003ca href=\"\/en-en\/pages\/contacto\"\u003econtact page\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch3\u003eDocumentation\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/static.viessmann-climatesolutions.com\/resources\/technical_documents\/ES\/es\/VDP\/6153281VDP00007_1.pdf\"\u003eVitodens 200-W B2HH and B2KH technical data (Viessmann, PDF, in Spanish)\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/static.viessmann-climatesolutions.com\/resources\/technical_documents\/ES\/es\/VSA\/6219627VSA00002_1.pdf\"\u003eInstallation and service instructions, 3.5-inch display (Viessmann, PDF, in Spanish)\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/static.viessmann-climatesolutions.com\/resources\/technical_documents\/ES\/es\/VBA\/6219645VBA00001_1.pdf\"\u003eOperating instructions, 3.5-inch display (Viessmann, PDF, in Spanish)\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/static.viessmann-climatesolutions.com\/resources\/technical_documents\/ES\/es\/VKE\/4750012664VKE00001_1.pdf\"\u003eEU declaration of conformity, 3.5-inch display (Viessmann, PDF, in Spanish)\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003ciframe src=\"https:\/\/www.youtube-nocookie.com\/embed\/hb35Xx4gJic\" title=\"Vitodens 200-W: Viessmann range presentation (2019 video, in Spanish)\" width=\"560\" height=\"315\" allowfullscreen\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cdiv class=\"qt-calc\" style=\"display:flex;flex-wrap:wrap;align-items:center;gap:16px;margin:1.6em 0;\"\u003e\u003cdiv style=\"flex:1 1 280px;padding:16px 18px;border:1px solid rgba(27,34,48,0.14);border-radius:12px;background:rgba(27,34,48,0.03);\"\u003e\u003cp style=\"margin:0 0 8px;\"\u003e\u003cstrong\u003eQ-Tech VDI 2035 calculator\u003c\/strong\u003e\u003c\/p\u003e\u003cp style=\"margin:0 0 8px;\"\u003eCheck whether the water in your heating system meets the VDI 2035 guideline (Part 1, 2021). Enter the output, the system volume in litres and the hardness and conductivity of your mains water: the calculator gives you the verdict and the three key figures for filling or topping up the circuit. If you need it, we will send you the full report.\u003c\/p\u003e\u003cp style=\"margin:0;font-size:0.85em;opacity:0.75;\"\u003eGuidance only: check the manufacturer's requirements.\u003c\/p\u003e\u003c\/div\u003e\u003ca href=\"\/en-en\/pages\/calculadora-vdi-2035\" title=\"Open the VDI 2035 calculator\" style=\"flex:1 1 280px;display:block;border-radius:12px;overflow:hidden;box-shadow:0 4px 14px rgba(27,34,48,0.12);\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0015\/4592\/8792\/files\/vdi2035-calculadora-banner-qtech-en.webp?v=1794073125\" alt=\"VDI 2035 calculator: check whether your system water meets the guideline. Open the calculator\" width=\"2400\" height=\"1200\" loading=\"lazy\" style=\"display:block;width:100%;height:auto;\"\u003e\u003c\/a\u003e\u003c\/div\u003e\n\u003cp class=\"qt-nota-stock\"\u003e\u003cstrong\u003eAvailability and lead times:\u003c\/strong\u003e this item is in stock at our warehouse. Occasionally, depending on the time of year, the stock update may contain an error. If no units are available when you place your order, we will order it urgently and inform you immediately of the updated delivery time.\u003c\/p\u003e\n","brand":"Viessmann","offers":[{"title":"B2HH 19 kW · heating only","offer_id":19468851150936,"sku":"VI-Z029702","price":2651.19,"currency_code":"EUR","in_stock":true},{"title":"B2HH 25 kW · heating only","offer_id":12317479305304,"sku":"VI-Z029703","price":2838.36,"currency_code":"EUR","in_stock":true},{"title":"B2HH 32 kW · heating only","offer_id":19468850987096,"sku":"VI-Z029704","price":3178.6,"currency_code":"EUR","in_stock":true},{"title":"B2KH 19 kW · combi · DHW 26 kW","offer_id":19468851019864,"sku":"VI-Z029705","price":3289.24,"currency_code":"EUR","in_stock":true},{"title":"B2KH 25 kW · combi · DHW 30 kW","offer_id":19468851183704,"sku":"VI-Z029706","price":3500.53,"currency_code":"EUR","in_stock":true},{"title":"B2KH 32 kW · combi · DHW 34 kW","offer_id":19468851052632,"sku":"VI-Z029707","price":3889.02,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0015\/4592\/8792\/files\/viessmann-vitodens-200-w-b2hh-b2kh-vista-tres-cuartos.webp?v=1794133690"},{"product_id":"caldera-de-condensacion-vitodens-111-w-viessmann-con-interacumulador-46l-integrado","title":"Viessmann Vitodens 111-W gas condensing boiler with built-in 46 l cylinder","description":"\u003ch2\u003eGas condensing boiler with a built-in 46-litre hot water cylinder\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eViessmann Vitodens 111-W\u003c\/strong\u003e is a wall-hung gas condensing boiler with a \u003cstrong\u003e46-litre stainless steel cylinder\u003c\/strong\u003e built in. Viessmann states that it gives the same hot water comfort as a separate 150-litre cylinder. At Q-Tech we build it into your pre-assembled plant room, assembled and tested in our workshop before it reaches the site.\u003c\/p\u003e\n\u003ch3\u003eSummary\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\u003cth\u003eType\u003c\/th\u003e\u003ctd\u003eWall-hung gas condensing boiler with integrated storage\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eBrand and model\u003c\/th\u003e\u003ctd\u003eViessmann Vitodens 111-W, model B1LG\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eUse\u003c\/th\u003e\u003ctd\u003eHeating and domestic hot water (DHW) in detached and semi-detached homes\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eRated output\u003c\/th\u003e\u003ctd\u003e3.2 to 19, 25 or 32 kW depending on the variant, at 50 °C flow and 30 °C return\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eHot water\u003c\/th\u003e\u003ctd\u003e46-litre cylinder; 154 to 181 litres in 10 minutes, from 10 to 45 °C\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eCompatible with\u003c\/th\u003e\u003ctd\u003eNatural gas and LPG; natural gas blended with up to 20% hydrogen by volume\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003ePower supply\u003c\/th\u003e\u003ctd\u003e230 V, 50 Hz\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eQ-Tech installation\u003c\/th\u003e\u003ctd\u003eBuilt into a pre-assembled plant room with the \u003ca href=\"\/en-en\/pages\/pre-montaje-avanzado\"\u003eAdvanced Pre-Assembly\u003c\/a\u003e service\u003c\/td\u003e\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eWhat is the Vitodens 111-W?\u003c\/h3\u003e\n\u003cp\u003eThe Vitodens 111-W from Viessmann is a wall-hung gas condensing boiler for heating and hot water with a built-in 46-litre cylinder. Its MatriX-Plus burner heats the heating water and charges the cylinder. Viessmann recommends it for houses, fitted in utility rooms or loft floors.\u003c\/p\u003e\n\u003ch3\u003eViessmann technology in the Vitodens 111-W\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMatriX-Plus burner with Lambda Pro Plus combustion control, which adapts to the gas quality and works with \u003cstrong\u003emodulation up to 1:10\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eInox-Radial heat exchanger in high-alloy stainless steel, designed by Viessmann for a long service life.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhat problem does it solve?\u003c\/h3\u003e\n\u003cp\u003eAn instantaneous combi boiler splits its output when two taps are open and the temperature drops. The Vitodens 111-W keeps 46 litres ready and delivers \u003cstrong\u003ehot water at several outlets at once\u003c\/strong\u003e without taking up the space of a floor-standing cylinder.\u003c\/p\u003e\n\u003cp\u003eIf only the heating load is calculated for a home with two bathrooms, hot water can run short at peak times. With the Vitodens 111-W the cylinder covers those peaks and the boiler modulates for the rest of the demand.\u003c\/p\u003e\n\u003ch3\u003eTechnical data\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\u003cth\u003eModel\u003c\/th\u003e\u003ctd\u003eVitodens 111-W B1LG, 19, 25 and 32 kW\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eRated output at 80 °C flow and 60 °C return\u003c\/th\u003e\u003ctd\u003e2.9 to 17.5, 23 or 29.3 kW\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eModulation range\u003c\/th\u003e\u003ctd\u003eUp to 1:10\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eSeasonal space heating energy efficiency\u003c\/th\u003e\u003ctd\u003e93% (19 kW) and 94% (25 and 32 kW)\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eStandard seasonal efficiency\u003c\/th\u003e\u003ctd\u003eUp to 98% gross calorific value, at 40 °C flow and 30 °C return\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eEnergy efficiency class\u003c\/th\u003e\u003ctd\u003eA for heating; A for hot water with XL load profile\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eNOx class\u003c\/th\u003e\u003ctd\u003e6\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eCylinder\u003c\/th\u003e\u003ctd\u003e46 litres, stainless steel; maximum pressure 10 bar\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eExpansion vessel\u003c\/th\u003e\u003ctd\u003e10 litres, built in\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eDimensions\u003c\/th\u003e\u003ctd\u003e500 mm deep, 600 mm wide and 950 mm high\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eWeight\u003c\/th\u003e\u003ctd\u003e67.8 kg empty; 120 kg filled\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eConnections\u003c\/th\u003e\u003ctd\u003eHeating R ¾; cold and hot water G ½; gas R ¾\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eFuel\u003c\/th\u003e\u003ctd\u003eNatural gas and LPG; LPG conversion is set in the controller, no kit needed\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eController\u003c\/th\u003e\u003ctd\u003eSeven-segment display with touch buttons; built-in WiFi and ViCare app\u003c\/td\u003e\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eModels and data by variant\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\u003cth\u003eVariant\u003c\/th\u003e\u003cth\u003eViessmann reference\u003c\/th\u003e\u003cth\u003eRated output at 50 °C flow\u003c\/th\u003e\u003cth\u003eContinuous hot water output\u003c\/th\u003e\u003cth\u003eHot water in 10 minutes\u003c\/th\u003e\u003cth\u003eElectrical power\u003c\/th\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003e19 kW\u003c\/th\u003e\u003ctd\u003eZ030941\u003c\/td\u003e\u003ctd\u003e3.2 to 19 kW\u003c\/td\u003e\u003ctd\u003e26.6 kW\u003c\/td\u003e\u003ctd\u003e154 litres\u003c\/td\u003e\u003ctd\u003e53 W\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003e25 kW\u003c\/th\u003e\u003ctd\u003eZ030942\u003c\/td\u003e\u003ctd\u003e3.2 to 25 kW\u003c\/td\u003e\u003ctd\u003e30.3 kW\u003c\/td\u003e\u003ctd\u003e170 litres\u003c\/td\u003e\u003ctd\u003e73 W\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003e32 kW\u003c\/th\u003e\u003ctd\u003eZ030943\u003c\/td\u003e\u003ctd\u003e3.2 to 32 kW\u003c\/td\u003e\u003ctd\u003e33.9 kW\u003c\/td\u003e\u003ctd\u003e181 litres\u003c\/td\u003e\u003ctd\u003e113 W\u003c\/td\u003e\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eCompatibility and limits\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eRuns on natural gas and LPG; Viessmann declares it suitable for blends with \u003cstrong\u003eup to 20% hydrogen\u003c\/strong\u003e by volume.\u003c\/li\u003e\n\u003cli\u003eIt needs the \u003cstrong\u003emounting rail, ordered separately\u003c\/strong\u003e: it carries the valves, DHW safety valve, fill valve and gas valve.\u003c\/li\u003e\n\u003cli\u003eIt can be wall-mounted or recessed, and fits a 600 mm kitchen unit module.\u003c\/li\u003e\n\u003cli\u003eExtra functions with the \u003ca href=\"\/en-en\/products\/modulo-electronico-de-ampliacion-adio-viessmann-para-gestion-de-circuitos-y-funciones\"\u003eViessmann ADIO extension module\u003c\/a\u003e.\u003c\/li\u003e\n\u003cli\u003eIt must be installed in a dry, frost-free room (IP X1).\u003c\/li\u003e\n\u003cli\u003eIt reaches 32 kW rated output; for more, the \u003ca href=\"\/en-en\/products\/viessmann-vitodens-200-w-b2ha-caldera-gas-condensacion-49-99-kw\"\u003eVitodens 200-W B2HA, 49 to 99 kW\u003c\/a\u003e.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhen this product is not the right choice\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\u003cth\u003eProduct\u003c\/th\u003e\u003cth\u003eWhen to choose it\u003c\/th\u003e\u003cth\u003eRated output\u003c\/th\u003e\u003cth\u003eHot water\u003c\/th\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003e\u003ca href=\"\/en-en\/products\/caldera-de-condensacion-viessmann-vitodens-200-w-intercambiador-inoxidable-y-lambda-pro\"\u003eVitodens 200-W\u003c\/a\u003e\u003c\/th\u003e\u003ctd\u003eIf you need a more compact boiler, combi or with a separate cylinder\u003c\/td\u003e\u003ctd\u003e1.9 to 32 kW\u003c\/td\u003e\u003ctd\u003eInstantaneous or with a separate cylinder\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003e\u003ca href=\"\/en-en\/products\/caldera-mural-de-condensacion-a-gas-vitodens-100-w-viessmann-conectividad-y-alto-rendimiento-1-10\"\u003eVitodens 100-W\u003c\/a\u003e\u003c\/th\u003e\u003ctd\u003eIf you do not need storage and prefer a combi boiler\u003c\/td\u003e\u003ctd\u003e3.2 to 32 kW\u003c\/td\u003e\u003ctd\u003eInstantaneous\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003e\u003ca href=\"\/en-en\/products\/caldera-condensacion-gas-vitodens-050w-viessmann\"\u003eVitodens 050-W\u003c\/a\u003e\u003c\/th\u003e\u003ctd\u003eIf you want the Viessmann entry range for low outputs\u003c\/td\u003e\u003ctd\u003e3.2 to 25 kW\u003c\/td\u003e\u003ctd\u003eInstantaneous\u003c\/td\u003e\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eFrequently asked questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhich model do I need?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe one that covers the heating load calculated for your home. All three variants share the same 46-litre cylinder; the 32 kW gives 181 litres in 10 minutes and the 19 kW gives 154. If in doubt, a \u003ca href=\"\/en-en\/products\/expert-technician-remote-technical-call\"\u003etechnical call with an Expert Technician\u003c\/a\u003e reviews your case.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes it replace the Vitodens 111-W B1LF?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. The B1LG is the current generation in the Viessmann price list and replaces references Z023133, Z023134 and Z023135, output for output.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is included and what must be ordered separately?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eIt includes the cylinder, a 10-litre expansion vessel and a high-efficiency pump. The mounting rail with the valves is ordered separately.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the delivery time?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eIt is in stock at our warehouse. It ships on a pallet and transport is quoted separately.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I install it myself?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo. The gas connection and commissioning must be done by a licensed installation company. Q-Tech delivers it built into a pre-assembled plant room or connects it on site with its Expert Technician.\u003c\/p\u003e\n\u003ch3\u003eQ-Tech installation and support\u003c\/h3\u003e\n\u003cp\u003eWith \u003ca href=\"\/en-en\/pages\/pre-montaje-avanzado\"\u003eAdvanced Pre-Assembly\u003c\/a\u003e, our \u003ca href=\"\/en-en\/products\/tecnico-experto-pre-montaje-nave\"\u003eExpert Technician assembles in the workshop\u003c\/a\u003e the Vitodens 111-W with the rest of your plant room: wiring, parameter setting and testing, with safety, function and pressure tests. Your plant room \u003cstrong\u003earrives tested and ready to connect\u003c\/strong\u003e, documented with photos and a report.\u003c\/p\u003e\n\u003cp\u003eThe final connection is made by your installer or by Q-Tech, \u003cstrong\u003efrom one working day\u003c\/strong\u003e depending on the type and size of the room. That means fewer site visits, fewer companies working in the same room at once and fewer technical issues. If another company installs the boiler, Q-Tech completes the electrics and controls after a verification visit with the \u003ca href=\"\/en-en\/products\/tecnico-experto-in-situ-horas\"\u003eon-site hourly Expert Technician\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003eSee the full range in \u003ca href=\"\/en-en\/collections\/calderas-gas-h2-ready-preparadas-para-hidrogeno\"\u003eViessmann H2 Ready gas boilers and components\u003c\/a\u003e, the \u003ca href=\"\/en-en\/collections\/tecnico-experto\"\u003eExpert Technician services\u003c\/a\u003e or write to us from the \u003ca href=\"\/en-en\/pages\/contacto\"\u003econtact page\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch3\u003eDocumentation\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/static.viessmann-climatesolutions.com\/resources\/technical_documents\/ES\/es\/VDP\/6174313VDP00004_1.pdf\"\u003eVitodens 111-W B1LG technical data (Viessmann, PDF, in Spanish)\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/static.viessmann-climatesolutions.com\/resources\/technical_documents\/ES\/es\/VSA\/6244601VSA00001_1.pdf\"\u003eB1LG installation and service instructions (Viessmann, PDF, in Spanish)\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/static.viessmann-climatesolutions.com\/resources\/technical_documents\/ES\/es\/VBA\/6135869VBA00011_1.pdf\"\u003eVitodens 100-W and 111-W operating instructions (Viessmann, PDF, in Spanish)\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/static.viessmann-climatesolutions.com\/resources\/technical_documents\/ES\/es\/VKE\/4750009330VKE00001_1.pdf\"\u003eB1LG EU declaration of conformity (Viessmann, PDF, in Spanish)\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003ciframe src=\"https:\/\/www.youtube-nocookie.com\/embed\/zG1Z0cgXO9w\" title=\"Vitodens 111-W storage combi: installer feedback (Viessmann UK)\" width=\"560\" height=\"315\" allowfullscreen\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cdiv class=\"qt-calc\" style=\"display:flex;flex-wrap:wrap;align-items:center;gap:16px;margin:1.6em 0;\"\u003e\u003cdiv style=\"flex:1 1 280px;padding:16px 18px;border:1px solid rgba(27,34,48,0.14);border-radius:12px;background:rgba(27,34,48,0.03);\"\u003e\u003cp style=\"margin:0 0 8px;\"\u003e\u003cstrong\u003eQ-Tech VDI 2035 calculator\u003c\/strong\u003e\u003c\/p\u003e\u003cp style=\"margin:0 0 8px;\"\u003eCheck whether the water in your heating system meets the VDI 2035 guideline (Part 1, 2021). Enter the output, the system volume in litres and the hardness and conductivity of your mains water: the calculator gives you the verdict and the three key figures for filling or topping up the circuit. If you need it, we will send you the full report.\u003c\/p\u003e\u003cp style=\"margin:0;font-size:0.85em;opacity:0.75;\"\u003eGuidance only: check the manufacturer's requirements.\u003c\/p\u003e\u003c\/div\u003e\u003ca href=\"\/en-en\/pages\/calculadora-vdi-2035\" title=\"Open the VDI 2035 calculator\" style=\"flex:1 1 280px;display:block;border-radius:12px;overflow:hidden;box-shadow:0 4px 14px rgba(27,34,48,0.12);\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0015\/4592\/8792\/files\/vdi2035-calculadora-banner-qtech-en.webp?v=1794073125\" alt=\"VDI 2035 calculator: check whether your system water meets the guideline. Open the calculator\" width=\"2400\" height=\"1200\" loading=\"lazy\" style=\"display:block;width:100%;height:auto;\"\u003e\u003c\/a\u003e\u003c\/div\u003e\n\u003cp class=\"qt-nota-stock\"\u003e\u003cstrong\u003eAvailability and lead times:\u003c\/strong\u003e this item is in stock at our warehouse. Occasionally, depending on the time of year, the stock update may contain an error. If no units are available when you place your order, we will order it urgently and inform you immediately of the updated delivery time.\u003c\/p\u003e\n","brand":"Viessmann","offers":[{"title":"Vitodens 111-W B1LG 19 kW · DHW 27 kW","offer_id":12317479534680,"sku":"VI-Z030941","price":3770.06,"currency_code":"EUR","in_stock":true},{"title":"Vitodens 111-W B1LG 25 kW · DHW 30 kW","offer_id":19468904530008,"sku":"VI-Z030942","price":3983.02,"currency_code":"EUR","in_stock":true},{"title":"Vitodens 111-W B1LG 32 kW · DHW 34 kW","offer_id":47470390575448,"sku":"VI-Z030943","price":4216.78,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0015\/4592\/8792\/files\/viessmann-vitodens-111-w-b1lg-vista-tres-cuartos.webp?v=1794133617"},{"product_id":"termostato-vitoconnect-opto2-de-viessmann-zk03836-inalambrico","title":"Viessmann Vitoconnect OPTO2 Wi-Fi module for ViCare and ViGuide","description":"\u003ch2\u003eVitoconnect OPTO2 Wi-Fi module to control your Viessmann boiler or heat pump from your phone\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eViessmann Vitoconnect OPTO2\u003c\/strong\u003e links the Vitotronic control of your boiler or heat pump to the ViCare app and to ViGuide, the installer's remote maintenance tool. Q-Tech installs it, pairs it with your router and completes the \u003cstrong\u003econfiguration and pre-commissioning check\u003c\/strong\u003e through an Expert Technician.\u003c\/p\u003e\n\u003ch3\u003eSummary\u003c\/h3\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\u003cth\u003eType\u003c\/th\u003e\u003ctd\u003eWi-Fi communication module (internet gateway)\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eBrand and model\u003c\/th\u003e\u003ctd\u003eViessmann Vitoconnect OPTO2, reference ZK03836\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eUse\u003c\/th\u003e\u003ctd\u003eRemote control with ViCare and remote maintenance with ViGuide\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eConnection to the heat generator\u003c\/th\u003e\u003ctd\u003eOptolink interface, 3 m cable included\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eInternet connection\u003c\/th\u003e\u003ctd\u003eWi-Fi to the home router, WPA2 password\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eCompatible with\u003c\/th\u003e\u003ctd\u003eViessmann boilers and heat pumps with Vitotronic 200 control\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003ePower supply\u003c\/th\u003e\u003ctd\u003e230 V, 50 Hz plug-in power supply\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eQ-Tech installation\u003c\/th\u003e\u003ctd\u003e\u003ca href=\"\/en-en\/products\/tecnico-experto-in-situ-horas\"\u003eOn-site hourly Expert Technician\u003c\/a\u003e: mounting, Wi-Fi pairing and ViCare test\u003c\/td\u003e\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch3\u003eWhat is the Vitoconnect OPTO2?\u003c\/h3\u003e\n\u003cp\u003eThe Vitoconnect OPTO2 from Viessmann is a communication module for Vitotronic boilers and heat pumps that connects them to the internet. It is a \u003cstrong\u003eWi-Fi module using Optolink\u003c\/strong\u003e that links the control unit to the router. It mounts on the wall, at least 0.3 m from the heat generator.\u003c\/p\u003e\n\u003ch3\u003eWhat problem does it solve?\u003c\/h3\u003e\n\u003cp\u003eA boiler or heat pump with Vitotronic control can only be adjusted from its own control panel. The Vitoconnect OPTO2 gives you \u003cstrong\u003econtrol from your phone or tablet\u003c\/strong\u003e, at home or away.\u003c\/p\u003e\n\u003cp\u003eChoosing the wrong module leaves the system offline. OpenTherm appliances take the Vitoconnect OT2, and One Base heat generators already have built-in Wi-Fi. The Vitoconnect OPTO2 works \u003cstrong\u003eonly with Vitotronic and Optolink\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch3\u003eFunctions with ViCare and ViGuide\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eViCare: operation of the heating system from a smartphone or tablet, according to Viessmann.\u003c\/li\u003e\n\u003cli\u003eViGuide: remote maintenance by your installer.\u003c\/li\u003e\n\u003cli\u003eGateway for the ViCare Smart Climate components: radiator thermostats, underfloor heating thermostat and climate sensor, which communicate with the module over low-power radio.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical data\u003c\/h3\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\u003cth\u003eViessmann reference\u003c\/th\u003e\u003ctd\u003eZK03836\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eConnection to the control unit\u003c\/th\u003e\u003ctd\u003eOptolink, with 3 m cable\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eInternet connection\u003c\/th\u003e\u003ctd\u003eWi-Fi to the router, WPA2 encryption\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003ePower supply\u003c\/th\u003e\u003ctd\u003e230 V, 50 Hz, plug-in power supply with 1.5 m cable\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eDimensions (width × height × depth)\u003c\/th\u003e\u003ctd\u003e105 × 105 × 31 mm\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003ePower consumption\u003c\/th\u003e\u003ctd\u003e5.5 W (12 V module)\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eMounting\u003c\/th\u003e\u003ctd\u003eWall, between 0.3 and 2.5 m from the heat generator\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eNetwork\u003c\/th\u003e\u003ctd\u003ePorts 443 (HTTPS) and 123 (NTP) open and a permanent flat-rate connection\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eSecurity\u003c\/th\u003e\u003ctd\u003eVDE Smart Home information security test passed, according to Viessmann\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eBox contents\u003c\/th\u003e\u003ctd\u003eWall module, power supply with 1.5 m cable and 3 m Optolink cable\u003c\/td\u003e\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch3\u003eCompatibility and limits\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eWall-mounted and floor-standing boilers with \u003cstrong\u003eVitotronic 200 and Optolink\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eHeat pumps with Vitotronic 200 control types WO1A, WO1B and WO1C.\u003c\/li\u003e\n\u003cli\u003eIn the 2026 price list: Vitodens 200-W B2HA 49 to 99 kW with Vitotronic 200, Vitorondens 200-T with Vitotronic 200 and Vitocal 100-S, 111-S, 200-S and 222-S.\u003c\/li\u003e\n\u003cli\u003eWall-mounted Vitotronic 200 controls types HO1, HO1A, HO1B, HO1D, HO2B, HO2C and HC1B, and Vitotronic 200 RF types HO1C and HO1E.\u003c\/li\u003e\n\u003cli\u003eWithout a Viessmann heat generator it also works as the gateway for the ViCare Smart Climate components.\u003c\/li\u003e\n\u003cli\u003eNot for Vitodens 050-W, 100-W and 111-W with OpenTherm: those appliances \u003cstrong\u003euse the Vitoconnect OT2\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eNeeds a permanent internet connection\u003c\/strong\u003e: without it, ViCare and ViGuide stop working.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhen this product is not the right choice\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eVitodens boiler with OpenTherm (050-W, 100-W or 111-W made from October 2017): it needs a Vitoconnect OT2, which includes the Vitotrol 100 OT1 thermostat.\u003c\/li\u003e\n\u003cli\u003eBoiler or heat pump on the One Base platform: it has built-in Wi-Fi and connects to ViCare without an accessory.\u003c\/li\u003e\n\u003cli\u003eVitocal 150-A or 250-A heat pump: the room control is the \u003ca href=\"\/en-en\/products\/vitotrol-300-e\"\u003eVitotrol 300-E\u003c\/a\u003e or the \u003ca href=\"\/en-en\/products\/vitotrol-100-eh\"\u003eVitotrol 100-EH\u003c\/a\u003e.\u003c\/li\u003e\n\u003cli\u003eYou only want to control one radiator: the \u003ca href=\"\/en-en\/products\/cabezal-termostatico-inteligente-vicare-de-viessmann-zk03840\"\u003eViCare radiator thermostat\u003c\/a\u003e also needs a gateway, this module or a heat generator with built-in Wi-Fi.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently asked questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eIs my boiler compatible with the Vitoconnect OPTO2?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes, if it has Vitotronic 200 control with an Optolink interface. Vitodens 050-W, 100-W and 111-W with OpenTherm need the OT2. If you are not sure, send us a photo of the rating plate on \u003ca href=\"https:\/\/wa.me\/qtechhouses\" target=\"_blank\" rel=\"noopener\"\u003eWhatsApp\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the difference between the OPTO2 and the OT2?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe connection to the control unit. The OPTO2 uses the Vitotronic Optolink interface and the OT2 uses two-wire OpenTherm, with the Vitotrol 100 OT1 thermostat included.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDo I need internet at home?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. The module needs a permanent flat-rate connection and a router with WPA2 Wi-Fi.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I install it myself?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes, if you can connect the control unit and configure the network. Q-Tech installs it, pairs it with ViCare and checks the connection with its hourly service.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the delivery time?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eIt is in stock at our warehouse, as the note at the bottom of this page explains.\u003c\/p\u003e\n\u003ch3\u003eQ-Tech installation and support\u003c\/h3\u003e\n\u003cp\u003eA Q-Tech Expert Technician carries out the \u003cstrong\u003einstallation and pre-commissioning check\u003c\/strong\u003e: mounts the module, connects it to the control unit, pairs it with your Wi-Fi and leaves ViCare working on your phone. Book it with the \u003ca href=\"\/en-en\/products\/tecnico-experto-in-situ-horas\"\u003eon-site hourly Expert Technician\u003c\/a\u003e service. For compatibility questions, use the \u003ca href=\"\/en-en\/products\/expert-technician-remote-technical-call\"\u003eremote technical call\u003c\/a\u003e. See the other components in \u003ca href=\"\/en-en\/collections\/viessmann-vicare-expertos\"\u003eViessmann ViCare and Control\u003c\/a\u003e and \u003ca href=\"\/en-en\/collections\/termostatos-y-control\"\u003eThermostats and Control\u003c\/a\u003e, or \u003ca href=\"\/en-en\/pages\/contacto\"\u003econtact us\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch3\u003eDocumentation\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.viessmann.es\/content\/dam\/public-brands\/master\/products\/control-system-and-connectivity\/vitoconnect\/Inbetriebnahme_Vitoconnect_OPTO2.pdf\/_jcr_content\/renditions\/original.media_file.download_attachment.file\/Inbetriebnahme_Vitoconnect_OPTO2.pdf\" target=\"_blank\" rel=\"noopener\"\u003eVitoconnect OPTO2 commissioning instructions (PDF, Viessmann)\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.viessmann.es\/content\/dam\/public-brands\/es\/products\/conectividad\/5834552VBA00007_1.pdf\/_jcr_content\/renditions\/original.\/5834552VBA00007_1.pdf\" target=\"_blank\" rel=\"noopener\"\u003eVitoconnect operating instructions (PDF, Viessmann, in Spanish)\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.viessmann.es\/es\/productos\/sistemas-de-control-y-conectividad\/vitoconnect.html\" target=\"_blank\" rel=\"noopener\"\u003eVitoconnect page on viessmann.es (in Spanish)\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"qt-nota-stock\"\u003e\u003cstrong\u003eAvailability and lead times:\u003c\/strong\u003e this item is in stock at our warehouse. Occasionally, depending on the time of year, the stock update may contain an error. If no units are available when you place your order, we will order it urgently and inform you immediately of the updated delivery time.\u003c\/p\u003e","brand":"Viessmann","offers":[{"title":"Default Title","offer_id":47399219429720,"sku":"VI-ZK03836","price":239.66,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0015\/4592\/8792\/files\/viessmann-vitoconnect-opto2-modulo-wifi-vista-lateral.webp?v=1793170635"},{"product_id":"caldera-condensacion-gas-vitodens-050w-viessmann","title":"Viessmann Vitodens 050-W wall-hung combi gas condensing boiler","description":"\u003ch2\u003eVitodens 050-W wall-hung combi gas condensing boiler: compact, simple and hydrogen-ready\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eViessmann Vitodens 050-W\u003c\/strong\u003e is a wall-hung combi condensing boiler for natural gas or propane that provides heating and instant hot water. Its small size makes it suitable for replacing old boilers. \u003cstrong\u003eQ-Tech integrates it into its pre-assembled plant room\u003c\/strong\u003e, assembled and tested, and Viessmann approves it for natural gas with up to 20 % hydrogen.\u003c\/p\u003e\n\u003ch3\u003eSummary\u003c\/h3\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\u003cth\u003eType\u003c\/th\u003e\u003ctd\u003eWall-hung combi gas condensing boiler\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eBrand and model\u003c\/th\u003e\u003ctd\u003eViessmann Vitodens 050-W, type B0KA\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eUse\u003c\/th\u003e\u003ctd\u003eHeating and instant domestic hot water in houses and flats\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eOutput\u003c\/th\u003e\u003ctd\u003e3.2 to 19 or 25 kW for heating; up to 25.4 or 30 kW for hot water\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eEfficiency\u003c\/th\u003e\u003ctd\u003eSeasonal space heating efficiency of 92 % (class A)\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eFuel\u003c\/th\u003e\u003ctd\u003eNatural gas (up to 20 % hydrogen) or propane, no conversion kit\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eConnectivity\u003c\/th\u003e\u003ctd\u003eBuilt-in WiFi and ViCare app\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003ePower supply\u003c\/th\u003e\u003ctd\u003e230 V, 50 Hz\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eSupply\u003c\/th\u003e\u003ctd\u003eThe reference includes the boiler, the flue outlet and the connections, according to the Viessmann price list\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eQ-Tech installation\u003c\/th\u003e\u003ctd\u003eIntegrated and tested in the \u003ca href=\"\/en-en\/pages\/pre-montaje-avanzado\" title=\"Advanced pre-assembly of plant rooms\"\u003epre-assembled plant room\u003c\/a\u003e in our workshop\u003c\/td\u003e\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch3\u003eWhat is the Vitodens 050-W?\u003c\/h3\u003e\n\u003cp\u003eThe Vitodens 050-W is Viessmann's entry-level wall-hung gas condensing boiler: a combi boiler 400 mm wide and 300 mm deep that \u003cstrong\u003emodulates up to 1:8 in the 25 kW model\u003c\/strong\u003e. It recovers the heat of the flue gases in a stainless steel Inox-Radial heat exchanger and is delivered assembled and wired.\u003c\/p\u003e\n\u003ch3\u003eVitodens 050-W technology\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eStainless steel MatriX-Plus modulating cylinder burner, with class 6 NOx emissions.\u003c\/li\u003e\n\u003cli\u003eLambda Pro automatic combustion control, for high and constant efficiency, according to Viessmann.\u003c\/li\u003e\n\u003cli\u003eStainless steel Inox-Radial heat exchanger, with a self-cleaning effect.\u003c\/li\u003e\n\u003cli\u003eBuilt-in high-efficiency pump and 8-litre expansion vessel.\u003c\/li\u003e\n\u003cli\u003eOperation with an LED display and touch buttons, or from your phone with the ViCare app over the built-in WiFi.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhat problem does it solve?\u003c\/h3\u003e\n\u003cp\u003eWhen an old boiler is replaced, the available space is often small and the system must keep providing heating and hot water without adding a cylinder. The Vitodens 050-W takes up 400 × 300 mm, produces hot water instantly and adjusts its output to the demand.\u003c\/p\u003e\n\u003cp\u003eIt is a simple boiler: if the home has several bathrooms used at the same time or needs more control functions, another model of the Vitodens range is a better fit.\u003c\/p\u003e\n\u003ch3\u003eTechnical data\u003c\/h3\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\u003cth\u003eModulation range\u003c\/th\u003e\u003ctd\u003eUp to 1:8\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eNOx emissions\u003c\/th\u003e\u003ctd\u003eClass 6, below 56 mg per kWh\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eGas category\u003c\/th\u003e\u003ctd\u003eII2N3P\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eNatural gas\u003c\/th\u003e\u003ctd\u003e20 mbar supply pressure (permissible 13 to 25 mbar)\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003ePropane\u003c\/th\u003e\u003ctd\u003e50 mbar supply pressure (permissible 25 to 57.5 mbar); changeover from the control unit\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eMaximum flow temperature\u003c\/th\u003e\u003ctd\u003e82 °C\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eExpansion vessel\u003c\/th\u003e\u003ctd\u003e8 litres, pre-charge pressure 0.75 bar\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003ePermissible operating pressure\u003c\/th\u003e\u003ctd\u003e3 bar\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eSound power level at partial load\u003c\/th\u003e\u003ctd\u003e33 dB(A)\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eDimensions\u003c\/th\u003e\u003ctd\u003e700 mm high, 400 mm wide and 300 mm deep\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eEmpty weight\u003c\/th\u003e\u003ctd\u003e35 kg (41 kg with heating water)\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eGas connection\u003c\/th\u003e\u003ctd\u003eR ¾\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eFlow and return\u003c\/th\u003e\u003ctd\u003eG ¾ (with connection accessory)\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eCold and hot water\u003c\/th\u003e\u003ctd\u003eG ½ (with connection accessory)\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eFlue outlet\u003c\/th\u003e\u003ctd\u003eConcentric 60 and 100 mm, up to 10 m (13 m with 80 and 125 mm); twin pipe 60 mm up to 20 m (25 m with 80 mm)\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eCE approval\u003c\/th\u003e\u003ctd\u003eCE-0063DL3422\u003c\/td\u003e\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003cp\u003eData from the Viessmann domestic price list of September 2026 and viessmann.es.\u003c\/p\u003e\n\u003ch3\u003eModels and data by variant\u003c\/h3\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\u003cth\u003eModel\u003c\/th\u003e\u003cth\u003eHeating output at 50\/30 °C\u003c\/th\u003e\u003cth\u003eHeating output at 80\/60 °C\u003c\/th\u003e\u003cth\u003eHot water output\u003c\/th\u003e\u003cth\u003eHot water flow rate (ΔT 30 K)\u003c\/th\u003e\u003cth\u003eElectrical power\u003c\/th\u003e\u003cth\u003eReference\u003c\/th\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003e19 and 25 kW\u003c\/th\u003e\u003ctd\u003e3.2 to 19 kW\u003c\/td\u003e\u003ctd\u003e2.9 to 17 kW\u003c\/td\u003e\u003ctd\u003e2.9 to 25.4 kW\u003c\/td\u003e\u003ctd\u003e12 l per minute\u003c\/td\u003e\u003ctd\u003e45 W\u003c\/td\u003e\u003ctd\u003eZ024658\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003e25 and 30 kW\u003c\/th\u003e\u003ctd\u003e3.2 to 25 kW\u003c\/td\u003e\u003ctd\u003e2.9 to 22.5 kW\u003c\/td\u003e\u003ctd\u003e2.9 to 30 kW\u003c\/td\u003e\u003ctd\u003e14 l per minute\u003c\/td\u003e\u003ctd\u003e64 W\u003c\/td\u003e\u003ctd\u003eZ024659\u003c\/td\u003e\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch3\u003eCompatibility and limits\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eIt runs on natural gas, natural gas with up to 20 % hydrogen, or propane.\u003c\/li\u003e\n\u003cli\u003eIt is only available as a combi: there is no heating-only version to connect a cylinder.\u003c\/li\u003e\n\u003cli\u003eIf several boilers share one flue system, Viessmann states that the specific version for that system must be ordered.\u003c\/li\u003e\n\u003cli\u003eThe Viessmann price list does not mark it as compatible with the ADIO extension modules.\u003c\/li\u003e\n\u003cli\u003eInstallation and registration require a licensed installation company.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhen this product is not the right choice\u003c\/h3\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\u003cth\u003eProduct\u003c\/th\u003e\u003cth\u003eWhen to choose it\u003c\/th\u003e\u003cth\u003eWhat changes\u003c\/th\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003e\u003ca href=\"\/en-en\/products\/caldera-mural-de-condensacion-a-gas-vitodens-100-w-viessmann-conectividad-y-alto-rendimiento-1-10\" title=\"Viessmann Vitodens 100-W boiler\"\u003eVitodens 100-W\u003c\/a\u003e\u003c\/th\u003e\u003ctd\u003eYou need more output, heating only with a cylinder, or ADIO modules\u003c\/td\u003e\u003ctd\u003eUp to 32 kW, modulation up to 1:10, combi and heating-only versions\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003e\u003ca href=\"\/en-en\/products\/caldera-de-condensacion-vitodens-111-w-viessmann-con-interacumulador-46l-integrado\" title=\"Viessmann Vitodens 111-W boiler\"\u003eVitodens 111-W\u003c\/a\u003e\u003c\/th\u003e\u003ctd\u003eMore hot water without an external cylinder\u003c\/td\u003e\u003ctd\u003eIntegrated 46-litre stainless steel cylinder\u003c\/td\u003e\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch3\u003eFrequently asked questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhich model do I need?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe 19 and 25 kW model suits small homes with one bathroom; the 25 and 30 kW model gives more hot water flow (14 litres per minute at a 30 °C rise). The heating output is sized from the heat losses of the house.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes it run on propane?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. According to Viessmann, the changeover to propane is made from the control unit and needs no conversion kit.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs it hydrogen-ready?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes, as a blend. Viessmann approves it for natural gas with a hydrogen content of up to 20 %.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes it include the flue outlet?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. According to the Viessmann price list, the reference includes the boiler, the flue outlet and the connections.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the delivery time?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWe have it in stock in our warehouse. Because of its weight, shipping is quoted separately.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I install it myself?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo. A gas boiler must be installed and registered by a licensed installation company; Q-Tech coordinates it with a partner installer, quoted separately.\u003c\/p\u003e\n\u003ch3\u003eQ-Tech installation and support\u003c\/h3\u003e\n\u003cp\u003eQ-Tech assembles, configures and tests the Vitodens 050-W in its workshop, inside a \u003cstrong\u003epre-assembled plant room\u003c\/strong\u003e. The plant room \u003cstrong\u003earrives tested and ready to connect\u003c\/strong\u003e; the final connection is made by the site installer or by Q-Tech with the \u003ca href=\"\/en-en\/products\/tecnico-experto-instalacion\" title=\"On-site Expert Technician per day\"\u003eOn-site Expert Technician per day\u003c\/a\u003e. More details in \u003ca href=\"\/en-en\/pages\/pre-montaje-avanzado\" title=\"Advanced pre-assembly of plant rooms\"\u003ePre-Montaje Avanzado\u003c\/a\u003e and in the \u003ca href=\"\/en-en\/products\/tecnico-experto-pre-montaje-nave\" title=\"Expert Technician workshop pre-assembly\"\u003eExpert Technician workshop pre-assembly\u003c\/a\u003e service.\u003c\/p\u003e\n\u003cp\u003eIf you are replacing a boiler in an existing system, first book the verification visit with the \u003ca href=\"\/en-en\/products\/tecnico-experto-in-situ-horas\" title=\"On-site Expert Technician by the hour\"\u003eOn-site Expert Technician by the hour\u003c\/a\u003e. For questions, book a \u003ca href=\"\/en-en\/products\/tecnico-experto-llamada-tecnica\" title=\"Expert Technician technical call\"\u003etechnical call\u003c\/a\u003e or message us on \u003ca href=\"https:\/\/wa.me\/qtechhouses\" target=\"_blank\" rel=\"noopener\"\u003eWhatsApp\u003c\/a\u003e. See the full range in \u003ca href=\"\/en-en\/collections\/calderas-gas-h2-ready-preparadas-para-hidrogeno\" title=\"Viessmann H2 Ready gas boilers and components\"\u003eViessmann H2 Ready gas boilers and components\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch3\u003eDocumentation\u003c\/h3\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/www.viessmann.es\/es\/productos\/calderas-a-gas\/vitodens-050-w.html\" target=\"_blank\" rel=\"noopener\" title=\"Vitodens 050-W on viessmann.es\"\u003eOfficial Vitodens 050-W page on viessmann.es\u003c\/a\u003e (in Spanish), with the brochure and technical data.\u003c\/p\u003e\n\u003cdiv class=\"qt-calc\" style=\"display:flex;flex-wrap:wrap;align-items:center;gap:16px;margin:1.6em 0;\"\u003e\u003cdiv style=\"flex:1 1 280px;padding:16px 18px;border:1px solid rgba(27,34,48,0.14);border-radius:12px;background:rgba(27,34,48,0.03);\"\u003e\u003cp style=\"margin:0 0 8px;\"\u003e\u003cstrong\u003eQ-Tech VDI 2035 calculator\u003c\/strong\u003e\u003c\/p\u003e\u003cp style=\"margin:0 0 8px;\"\u003eCheck whether the water in your heating system meets the VDI 2035 guideline (Part 1, 2021). Enter the output, the system volume in litres and the hardness and conductivity of your mains water: the calculator gives you the verdict and the three key figures for filling or topping up the circuit. If you need it, we will send you the full report.\u003c\/p\u003e\u003cp style=\"margin:0;font-size:0.85em;opacity:0.75;\"\u003eGuidance only: check the manufacturer's requirements.\u003c\/p\u003e\u003c\/div\u003e\u003ca href=\"\/en-en\/pages\/calculadora-vdi-2035\" title=\"Open the VDI 2035 calculator\" style=\"flex:1 1 280px;display:block;border-radius:12px;overflow:hidden;box-shadow:0 4px 14px rgba(27,34,48,0.12);\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0015\/4592\/8792\/files\/vdi2035-calculadora-banner-qtech-en.webp?v=1794073125\" alt=\"VDI 2035 calculator: check whether your system water meets the guideline. Open the calculator\" width=\"2400\" height=\"1200\" loading=\"lazy\" style=\"display:block;width:100%;height:auto;\"\u003e\u003c\/a\u003e\u003c\/div\u003e\n\u003cp class=\"qt-nota-stock\"\u003e\u003cstrong\u003eAvailability and lead times:\u003c\/strong\u003e we have this item in stock in our warehouse. Occasionally, depending on the time of year, an error in the stock update may occur. If no units are available at the time of your order, we will order it urgently and inform you immediately of the updated delivery time.\u003c\/p\u003e\n","brand":"Viessmann","offers":[{"title":"19 kW combi, 25 kW DHW B0KA","offer_id":47478059237720,"sku":"VI-Z024658","price":1850.37,"currency_code":"EUR","in_stock":true},{"title":"25 kW combi, 30 kW DHW B0KA","offer_id":47478059270488,"sku":"VI-Z024659","price":2025.32,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0015\/4592\/8792\/files\/viessmann-vitodens-050-w-caldera-mural-condensacion-gas-frontal.webp?v=1794133373"},{"product_id":"modulo-electronico-de-ampliacion-adio-viessmann-para-gestion-de-circuitos-y-funciones","title":"VIESSMANN ADIO Expansion Electronic Module for Circuit and Function Management","description":"\u003cp\u003eThe \u003cb\u003eVIESSMANN ADIO electronic module\u003c\/b\u003e is an essential component for the advanced management and expansion of features in Vitodens condensing boilers.\u003c\/p\u003e\n\u003cp\u003eDesigned for maximum flexibility in complex heating projects, this module allows professionals to integrate additional heating circuits (with or without a mixing valve), manage DHW pumps, and activate specific system functions. Its modular architecture ensures \u003cb\u003eprecise and efficient configuration\u003c\/b\u003e of the control system.\u003c\/p\u003e\n\u003ch3\u003e🎯 Advanced Circuit Management (E-E-A-T: B2B Experience and Authority)\u003c\/h3\u003e\n\u003cp\u003eThe ADIO range specializes in adding capacity to the main boiler controller, optimizing thermal distribution in medium and high-complexity installations.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eADIO Modules: Flexibility to Control Your Installation\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\n\u003cli\u003e\n\n\u003cp\u003e\u003cb\u003eMulti-System Integration:\u003c\/b\u003e Allows the installer to configure the boiler to manage multiple heating zones or systems with different temperature requirements (e.g., radiators and underfloor heating).\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp\u003e\u003cb\u003eVitodens Compatibility:\u003c\/b\u003e ADIO modules are the native electronic expansion for managing the hydraulic circuits of Viessmann boilers.\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\u003ch3\u003e🛠️ ADIO Models and Their Specific Functions\u003c\/h3\u003e\n\u003cp\u003eEach ADIO module is designed for a specific control task, offering a precise technical solution.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eADIO Expansion EM-P1 (DHW Pump \/ Direct Circuit)\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\n\u003cli\u003e\n\n\u003cp\u003e\u003cb\u003eMain Function:\u003c\/b\u003e Connection and control of a \u003cb\u003eDomestic Hot Water (DHW) circulation pump\u003c\/b\u003e or a \u003cb\u003edirect heating circuit\u003c\/b\u003e.\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp\u003e\u003cb\u003eRecommended Use:\u003c\/b\u003e Systems that use a low-loss header for decoupling (does not include header sensor).\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\u003cp\u003e\u003cb\u003eADIO Expansion EM-MX (VIESSMANN Mixing Valve)\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\n\u003cli\u003e\n\n\u003cp\u003e\u003cb\u003eMain Function:\u003c\/b\u003e Full control of a heating circuit equipped with a \u003cb\u003eVIESSMANN mixing valve\u003c\/b\u003e.\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp\u003e\u003cb\u003eTechnical Detail:\u003c\/b\u003e Module designed for direct mounting on the mixing valve, includes the contact sensor required for temperature monitoring.\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\u003cp\u003e\u003cb\u003eADIO Expansion EM-M1 (Non-VI Proportional Mixing Valve)\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\n\u003cli\u003e\n\n\u003cp\u003e\u003cb\u003eMain Function:\u003c\/b\u003e Control of a circuit with a \u003cb\u003enon-VIESSMANN proportional mixing valve\u003c\/b\u003e (from third-party manufacturers).\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp\u003e\u003cb\u003eTechnical Detail:\u003c\/b\u003e Allows for the integration of components outside the Viessmann ecosystem. Includes contact sensor.\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\u003cp\u003e\u003cb\u003eADIO Expansion EM-EA1 (General Functions)\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\n\u003cli\u003e\n\n\u003cp\u003e\u003cb\u003eMain Function:\u003c\/b\u003e Provides a functional expansion for wall mounting, intended to perform a \u003cb\u003esingle, specific function\u003c\/b\u003e (e.g., control of an auxiliary pump or signaling).\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\u003ch3\u003e⚙️ Compatibility and Specifications (Installer)\u003c\/h3\u003e\n\u003cul\u003e\n\n\u003cli\u003e\n\n\u003cp\u003e\u003cb\u003eCompatibility:\u003c\/b\u003e Vitodens condensing boiler range: Vitodens 100-W B1HF and B1KF, Vitodens 111-W B1LF, Vitodens 200-W B2KF and B2HF.\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp\u003e\u003cb\u003eInstallation:\u003c\/b\u003e Internal mounting in the boiler electronics or external (depending on the model).\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp\u003e\u003cb\u003eIntegration Benefit:\u003c\/b\u003e Use of native Viessmann control electronics for maximum \u003cb\u003ereliability and diagnostics\u003c\/b\u003e.\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003e❓ Frequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eWhat is the main difference between the EM-MX and the EM-M1 module?\u003c\/h4\u003e\n\u003cp\u003eThe difference lies in mixing valve compatibility. The \u003cb\u003eEM-MX\u003c\/b\u003e module is optimized for the \u003cb\u003edirect mounting and control of VIESSMANN's own brand mixing valves\u003c\/b\u003e. The \u003cb\u003eEM-M1\u003c\/b\u003e module is used to control \u003cb\u003eproportional mixing valves manufactured by other brands\u003c\/b\u003e, providing flexibility in the choice of hydraulic components.\u003c\/p\u003e\n\u003ch4\u003eIs it mandatory to use a header sensor in the EM-P1 expansion?\u003c\/h4\u003e\n\u003cp\u003eThe \u003cb\u003eADIO Expansion EM-P1\u003c\/b\u003e module does not include the hydraulic header sensor. Although it is commonly used in combination with this type of decoupling, the sensor is sold separately. This allows the installer to choose the most suitable sensor according to the specifications of the tank or the decoupling system used.\u003c\/p\u003e\n\u003ch4\u003eWhat is the advantage of using ADIO modules instead of external relays for pump control?\u003c\/h4\u003e\n\u003cp\u003eADIO modules are integrated directly into the boiler's communication bus. This allows the \u003cb\u003emain controller to know exactly what the pump is doing\u003c\/b\u003e (e.g., on\/off based on actual DHW demand or circuit temperature). This smart control is more efficient, reduces diagnostic errors, and optimizes the circulator's energy consumption.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003e📞 Professional Support\u003c\/h3\u003e\n\u003cp\u003e\u003cb\u003eTechnical Assistance and ADIO Installation Guides\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eADIO modules are crucial for the correct configuration of zoned systems. Our technical support team is available to assist installers with \u003cb\u003econnection diagrams, pump sequencing\u003c\/b\u003e, and the correct parameterization of the modules in the boiler control system.\u003c\/p\u003e\n\u003ch3 class=\"p1\"\u003e\u003cspan class=\"s1\"\u003eInstallation diagrams:\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"p1\"\u003e\u003cspan class=\"s1\"\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0015\/4592\/8792\/files\/Captura_de_pantalla_2025-11-07_a_las_11.41.29.png?v=1762512161\"\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0015\/4592\/8792\/files\/Captura_de_pantalla_2025-11-07_a_las_11.41.51.png?v=1762512172\"\u003e\u003c\/span\u003e\u003cspan class=\"s1\"\u003e\u003c\/span\u003e\u003c\/p\u003e","brand":"Viessmann","offers":[{"title":"ADIO Extension EM-P1 Z017411","offer_id":56143178695000,"sku":"VI-Z017411","price":200.0,"currency_code":"EUR","in_stock":true},{"title":"ADIO Expansion EM-MX Z017409","offer_id":56143178727768,"sku":"VI-Z017409","price":547.0,"currency_code":"EUR","in_stock":true},{"title":"ADIO Expansion EM-M1 Z017410","offer_id":56143178760536,"sku":"VI-Z017410","price":357.0,"currency_code":"EUR","in_stock":true},{"title":"ADIO EM-EA1 Expansion Z0174412","offer_id":56143178793304,"sku":"VI-Z0174412","price":298.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0015\/4592\/8792\/files\/CALDERA-GAS-Vitodens-MODULO-ELECTRONICO-ADIO-EMP1-00.webp?v=1762514050"},{"product_id":"viessmann-fijacion-mural-divicon-sin-colector","title":"Viessmann wall bracket for a single Divicon pump group without manifold","description":"\u003ch2\u003eWall bracket to hang a single Divicon group without manifold\u003c\/h2\u003e\n\u003cp\u003eThe Viessmann \u003cstrong\u003ewall bracket 7465894\u003c\/strong\u003e is mandatory for mounting \u003cstrong\u003ea single Divicon on the wall\u003c\/strong\u003e, without a manifold.\u003c\/p\u003e\n\u003ch3\u003eSummary\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eType\u003c\/th\u003e\n\u003ctd\u003eWall bracket for one Divicon pump group\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBrand and reference\u003c\/th\u003e\n\u003ctd\u003eViessmann, ref. 7465894\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFor\u003c\/th\u003e\n\u003ctd\u003eOne \u003ca href=\"\/en-en\/products\/viessmann-divicon-pump-group-direct-circuit-one-base\" title=\"Divicon direct circuit\"\u003edirect Divicon\u003c\/a\u003e or \u003ca href=\"\/en-en\/products\/viessmann-divicon-pump-group-mixed-circuit-one-base\" title=\"Divicon with mixing valve\"\u003eone with mixing valve\u003c\/a\u003e, DN 20, DN 25 or DN 32\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWeight\u003c\/th\u003e\n\u003ctd\u003e1.15 kg with packaging\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eViessmann list price (excluding VAT)\u003c\/th\u003e\n\u003ctd\u003e€50\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eCompatibility and limits\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eOne per Divicon; fixed with 10 mm wall plugs.\u003c\/li\u003e\n\u003cli\u003eWith a \u003cstrong\u003emanifold for 2 or 3 Divicon\u003c\/strong\u003e this one is not used: fit the \u003ca href=\"\/en-en\/products\/viessmann-wall-bracket-divicon-manifold\" title=\"Divicon manifold wall bracket\"\u003emanifold wall bracket 7465439\u003c\/a\u003e.\u003c\/li\u003e\n\u003cli\u003eIt suits Vitodens boilers, \u003ca href=\"\/en-en\/products\/caldera-de-gasoil-vitorondens-200t-br2a-viessmann\" title=\"Vitorondens 200-T\"\u003eVitorondens 200-T\u003c\/a\u003e, Vitodens 200-W B2HA and One Base heat pumps.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eSource: Viessmann price list of September 2026 (p. 131).\u003c\/p\u003e\n\u003ch3\u003eDocumentation\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/www.viessmann.de\/de\/produkte\/zubehoer\/divicon-heizkreisverteilung.html\" target=\"_blank\" rel=\"noopener\" title=\"Divicon on viessmann.de\"\u003eOfficial Viessmann page for the Divicon system\u003c\/a\u003e (in German).\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"qt-nota-stock\"\u003e\u003cstrong\u003eAvailability and lead times:\u003c\/strong\u003e this item is in stock at our warehouse. Occasionally, depending on the time of year, the stock update may contain an error. If no units are available when you place your order, we will order it urgently and inform you immediately of the updated delivery time.\u003c\/p\u003e","brand":"Viessmann","offers":[{"title":"Default Title","offer_id":58863848227160,"sku":"VI-7465894","price":41.6,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0015\/4592\/8792\/files\/Viessmann-7465894-FIJACION-DIVICON-BOMBA-DE-CALOR-AEROTERMIA-00.webp?v=1792576732"},{"product_id":"viessmann-grupo-bombeo-divicon-circuito-directo-one-base","title":"Viessmann Divicon pump group for direct heating and cooling circuit","description":"\u003ch2\u003eDirect circuit Divicon: the Viessmann pre-assembled pump group for a circuit without mixing valve\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003edirect circuit Divicon\u003c\/strong\u003e combines in one insulated block the \u003cstrong\u003ehigh-efficiency pump\u003c\/strong\u003e, the shut-off valves with non-return valve and the thermometers of a heating or cooling circuit without mixing valve. It mounts on the wall or on the Divicon manifold and saves installation time in the boiler room.\u003c\/p\u003e\n\u003ch3\u003eSummary\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eType\u003c\/th\u003e\n\u003ctd\u003ePre-assembled pump group for direct circuit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBrand and model\u003c\/th\u003e\n\u003ctd\u003eViessmann Divicon, 6 models: Wilo PARA or Grundfos UPM3 pump, ¾\", 1\" or 1¼\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCompatible with\u003c\/th\u003e\n\u003ctd\u003eWall-hung Vitodens boilers with PlusBus, \u003ca href=\"\/en-en\/products\/caldera-de-gasoil-vitorondens-200t-br2a-viessmann\" title=\"Vitorondens 200-T BR2A\"\u003eVitorondens 200-T\u003c\/a\u003e and \u003ca href=\"\/en-en\/products\/viessmann-vitodens-200-w-b2ha-gas-condensing-boiler-49-99-kw\" title=\"Vitodens 200-W B2HA\"\u003eVitodens 200-W B2HA\u003c\/a\u003e with Vitotronic 200, and Vitocal heat pumps with One Base\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eUse\u003c\/th\u003e\n\u003ctd\u003eHeating and cooling (with cooling kit)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eQ-Tech installation\u003c\/th\u003e\n\u003ctd\u003eFitted in a \u003ca href=\"\/en-en\/pages\/pre-montaje-avanzado\" title=\"Advanced pre-assembly of plant rooms\"\u003epre-assembled plant room\u003c\/a\u003e or on-site by an Expert Technician\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eTechnical data\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eData\u003c\/th\u003e\n\u003cth\u003eDN 20 (¾\")\u003c\/th\u003e\n\u003cth\u003eDN 25 (1\")\u003c\/th\u003e\n\u003cth\u003eDN 32 (1¼\")\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eReference with Wilo PARA pump\u003c\/th\u003e\n\u003ctd\u003e7984155\u003c\/td\u003e\n\u003ctd\u003e7984156\u003c\/td\u003e\n\u003ctd\u003e7984157\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eReference with Grundfos UPM3 pump\u003c\/th\u003e\n\u003ctd\u003e7986469\u003c\/td\u003e\n\u003ctd\u003e7986470\u003c\/td\u003e\n\u003ctd\u003e7986471\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMaximum flow rate\u003c\/th\u003e\n\u003ctd\u003e1.0 m³\/h\u003c\/td\u003e\n\u003ctd\u003e1.5 m³\/h\u003c\/td\u003e\n\u003ctd\u003e2.5 m³\/h\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePump\u003c\/th\u003e\n\u003ctd\u003eWilo PARA 25\/6 or Grundfos UPM3S 25-60\u003c\/td\u003e\n\u003ctd\u003eWilo PARA 25\/6 or Grundfos UPM3S 25-60\u003c\/td\u003e\n\u003ctd\u003eWilo PARA 25\/8 or Grundfos UPM3K 25-70\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eViessmann list price (excluding VAT)\u003c\/th\u003e\n\u003ctd\u003e€893\u003c\/td\u003e\n\u003ctd\u003e€923\u003c\/td\u003e\n\u003ctd\u003e€950\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eCommon to all: G 1½ connection to the heat generator, maximum pressure 3 bar, dimensions 356 × 260 × 210 mm (height × width × depth), EPP insulation and high-efficiency pump (EEI ≤ 0.2). Sources: Viessmann price list of September 2026 (pp. 111 and 131) and Viessmann Divicon installation instructions.\u003c\/p\u003e\n\u003ch3\u003eCompatibility and limits\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eWall-hung boilers with PlusBus:\u003c\/strong\u003e \u003ca href=\"\/en-en\/products\/caldera-mural-de-condensacion-a-gas-vitodens-100-w-viessmann-conectividad-y-alto-rendimiento-1-10\" title=\"Vitodens 100-W\"\u003eVitodens 100-W\u003c\/a\u003e B1HG and B1KG, \u003ca href=\"\/en-en\/products\/caldera-de-condensacion-vitodens-111-w-viessmann-con-interacumulador-46l-integrado\" title=\"Vitodens 111-W\"\u003e111-W\u003c\/a\u003e B1LG and \u003ca href=\"\/en-en\/products\/caldera-de-condensacion-viessmann-vitodens-200-w-intercambiador-inoxidable-y-lambda-pro\" title=\"Vitodens 200-W\"\u003e200-W\u003c\/a\u003e B2HH and B2KH; the price list does not mark it for the 050-W.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVitotronic 200 control (KM-Bus):\u003c\/strong\u003e Vitorondens 200-T BR2A and \u003ca href=\"\/en-en\/products\/viessmann-vitorondens-200-t-j2ra-oil-condensing-boiler\" title=\"Vitorondens 200-T J2RA\"\u003eJ2RA\u003c\/a\u003e with KO2B and Vitodens 200-W B2HA with HO1B.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeat pumps:\u003c\/strong\u003e Vitocal 150-A, 150-A Modular, 250-A, 150-A Compact and 250-A Compact with One Base.\u003c\/li\u003e\n\u003cli\u003eFor several circuits it mounts on the \u003ca href=\"\/en-en\/products\/viessmann-manifold-divicon-pump-groups\" title=\"Manifold for Divicon\"\u003emanifold for 2 or 3 Divicon\u003c\/a\u003e; for a single one, with the \u003ca href=\"\/en-en\/products\/viessmann-wall-bracket-divicon-without-manifold\" title=\"Divicon wall bracket\"\u003eDivicon wall bracket\u003c\/a\u003e.\u003c\/li\u003e\n\u003cli\u003eFor cooling, Viessmann requires the Divicon cooling kit.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently asked questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWilo or Grundfos?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThey are equivalent: same flow rate, same dimensions and \u003cstrong\u003esame price\u003c\/strong\u003e. Viessmann offers both pumps.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhich diameter do I need?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eBy circuit flow rate: \u003cstrong\u003eup to 1.0 m³\/h the ¾\"\u003c\/strong\u003e, up to 1.5 m³\/h the 1\" and up to 2.5 m³\/h the 1¼\".\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the delivery time?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eIt is in stock at our warehouse.\u003c\/p\u003e\n\u003ch3\u003eDocumentation\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/www.viessmann.de\/de\/produkte\/zubehoer\/divicon-heizkreisverteilung.html\" target=\"_blank\" rel=\"noopener\" title=\"Divicon on viessmann.de\"\u003eOfficial Viessmann page for the Divicon system\u003c\/a\u003e (in German).\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/vibooks.viessmann-climatesolutions.com\/es\/es\" target=\"_blank\" rel=\"noopener\" title=\"Viessmann Vibooks\"\u003eViessmann Vibooks\u003c\/a\u003e, with installation instructions by reference (in Spanish).\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"qt-nota-stock\"\u003e\u003cstrong\u003eAvailability and lead times:\u003c\/strong\u003e this item is in stock at our warehouse. Occasionally, depending on the time of year, the stock update may contain an error. If no units are available when you place your order, we will order it urgently and inform you immediately of the updated delivery time.\u003c\/p\u003e","brand":"Viessmann","offers":[{"title":"¾ inch \/ Wilo PARA","offer_id":58863896789336,"sku":"VI-7984155","price":742.87,"currency_code":"EUR","in_stock":true},{"title":"1 inch \/ Wilo PARA","offer_id":58863896822104,"sku":"VI-7984156","price":767.83,"currency_code":"EUR","in_stock":true},{"title":"1¼ inch \/ Wilo PARA","offer_id":58863896854872,"sku":"VI-7984157","price":790.29,"currency_code":"EUR","in_stock":true},{"title":"¾ inch \/ Grundfos UPM3","offer_id":59070000202072,"sku":"VI-7986469","price":742.87,"currency_code":"EUR","in_stock":true},{"title":"1 inch \/ Grundfos UPM3","offer_id":59070000234840,"sku":"VI-7986470","price":767.83,"currency_code":"EUR","in_stock":true},{"title":"1¼ inch \/ Grundfos UPM3","offer_id":59070000267608,"sku":"VI-7986471","price":790.29,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0015\/4592\/8792\/files\/viessmann-divicon-circuito-directo-vista-frontal.webp?v=1794142881"},{"product_id":"viessmann-grupo-bombeo-divicon-circuito-mezcla-one-base","title":"Viessmann Divicon pump group with mixing valve (PlusBus or KM-Bus)","description":"\u003ch2\u003eDivicon with mixing valve: the Viessmann pre-assembled pump group for a circuit at a different temperature\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eDivicon with mixing valve\u003c\/strong\u003e combines the high-efficiency pump, the \u003cstrong\u003e3-way mixing valve with its actuator\u003c\/strong\u003e, the valves with non-return valve, the thermometers and the electronic extension kit that connects it to the control unit. It is the group for a circuit that runs at a different temperature, such as underfloor heating alongside radiators.\u003c\/p\u003e\n\u003ch3\u003eSummary\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eType\u003c\/th\u003e\n\u003ctd\u003ePre-assembled pump group with mixing valve and extension kit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBrand and model\u003c\/th\u003e\n\u003ctd\u003eViessmann Divicon, 12 models: Wilo or Grundfos pump, ¾\", 1\" or 1¼\", PlusBus or KM-Bus communication\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePlusBus\u003c\/th\u003e\n\u003ctd\u003eCurrent wall-hung Vitodens boilers and Vitocal heat pumps with One Base\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eKM-Bus\u003c\/th\u003e\n\u003ctd\u003e\n\u003ca href=\"\/en-en\/products\/caldera-de-gasoil-vitorondens-200t-br2a-viessmann\" title=\"Vitorondens 200-T BR2A\"\u003eVitorondens 200-T\u003c\/a\u003e and \u003ca href=\"\/en-en\/products\/viessmann-vitodens-200-w-b2ha-gas-condensing-boiler-49-99-kw\" title=\"Vitodens 200-W B2HA\"\u003eVitodens 200-W B2HA\u003c\/a\u003e with Vitotronic 200\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eQ-Tech installation\u003c\/th\u003e\n\u003ctd\u003eFitted in a \u003ca href=\"\/en-en\/pages\/pre-montaje-avanzado\" title=\"Advanced pre-assembly of plant rooms\"\u003epre-assembled plant room\u003c\/a\u003e or on-site by an Expert Technician\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eTechnical data\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eData\u003c\/th\u003e\n\u003cth\u003eDN 20 (¾\")\u003c\/th\u003e\n\u003cth\u003eDN 25 (1\")\u003c\/th\u003e\n\u003cth\u003eDN 32 (1¼\")\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePlusBus, Wilo PARA pump\u003c\/th\u003e\n\u003ctd\u003e7984152\u003c\/td\u003e\n\u003ctd\u003e7984153\u003c\/td\u003e\n\u003ctd\u003e7984154\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePlusBus, Grundfos UPM3 pump\u003c\/th\u003e\n\u003ctd\u003e7986466\u003c\/td\u003e\n\u003ctd\u003e7986467\u003c\/td\u003e\n\u003ctd\u003e7986468\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eKM-Bus, Wilo PARA pump\u003c\/th\u003e\n\u003ctd\u003e7984149\u003c\/td\u003e\n\u003ctd\u003e7984150\u003c\/td\u003e\n\u003ctd\u003e7984151\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eKM-Bus, Grundfos UPM3 pump\u003c\/th\u003e\n\u003ctd\u003e7986463\u003c\/td\u003e\n\u003ctd\u003e7986464\u003c\/td\u003e\n\u003ctd\u003e7986465\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMaximum flow rate\u003c\/th\u003e\n\u003ctd\u003e1.0 m³\/h\u003c\/td\u003e\n\u003ctd\u003e1.5 m³\/h\u003c\/td\u003e\n\u003ctd\u003e2.5 m³\/h\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMixing valve kv (adjustable)\u003c\/th\u003e\n\u003ctd\u003e3.1 to 4.9\u003c\/td\u003e\n\u003ctd\u003e4.0 to 5.6\u003c\/td\u003e\n\u003ctd\u003e4.7 to 5.9\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eViessmann list price (excluding VAT)\u003c\/th\u003e\n\u003ctd\u003e€1,643\u003c\/td\u003e\n\u003ctd\u003e€1,682\u003c\/td\u003e\n\u003ctd\u003e€1,741\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eCommon to all: G 1½ connection to the heat generator, 230 V~, maximum pressure 3 bar, dimensions 356 × 260 × 261 mm, sealed EPP insulation and NTC 10 kΩ flow temperature sensor. Sources: Viessmann price list of September 2026 (pp. 111 and 131) and Viessmann Divicon installation instructions.\u003c\/p\u003e\n\u003ch3\u003eCompatibility and limits\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePlusBus:\u003c\/strong\u003e \u003ca href=\"\/en-en\/products\/caldera-mural-de-condensacion-a-gas-vitodens-100-w-viessmann-conectividad-y-alto-rendimiento-1-10\" title=\"Vitodens 100-W\"\u003eVitodens 100-W\u003c\/a\u003e B1HG and B1KG, \u003ca href=\"\/en-en\/products\/caldera-de-condensacion-vitodens-111-w-viessmann-con-interacumulador-46l-integrado\" title=\"Vitodens 111-W\"\u003e111-W\u003c\/a\u003e B1LG and \u003ca href=\"\/en-en\/products\/caldera-de-condensacion-viessmann-vitodens-200-w-intercambiador-inoxidable-y-lambda-pro\" title=\"Vitodens 200-W\"\u003e200-W\u003c\/a\u003e B2HH and B2KH; Vitocal heat pumps with One Base.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eKM-Bus:\u003c\/strong\u003e Vitorondens 200-T BR2A and \u003ca href=\"\/en-en\/products\/viessmann-vitorondens-200-t-j2ra-oil-condensing-boiler\" title=\"Vitorondens 200-T J2RA\"\u003eJ2RA\u003c\/a\u003e with Vitotronic 200 KO2B and Vitodens 200-W B2HA with Vitotronic 200 HO1B: up to two mixing valve circuits per control unit.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThey are not interchangeable:\u003c\/strong\u003e the PlusBus version does not work with the Vitotronic 200, nor the KM-Bus version with PlusBus boilers.\u003c\/li\u003e\n\u003cli\u003eFor several circuits it mounts on the \u003ca href=\"\/en-en\/products\/viessmann-manifold-divicon-pump-groups\" title=\"Manifold for Divicon\"\u003emanifold for 2 or 3 Divicon\u003c\/a\u003e; for a single one, with the \u003ca href=\"\/en-en\/products\/viessmann-wall-bracket-divicon-without-manifold\" title=\"Divicon wall bracket\"\u003eDivicon wall bracket\u003c\/a\u003e.\u003c\/li\u003e\n\u003cli\u003eFor cooling, Viessmann requires the Divicon cooling kit.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently asked questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003ePlusBus or KM-Bus?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eIt depends on the boiler: \u003cstrong\u003ePlusBus for current wall-hung Vitodens and Vitocal One Base\u003c\/strong\u003e; KM-Bus for the Vitorondens 200-T and the Vitodens 200-W B2HA with Vitotronic 200.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes it already include the mixed circuit electronics?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes: the extension kit is included, there is no need to order it separately.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the delivery time?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eIt is in stock at our warehouse.\u003c\/p\u003e\n\u003ch3\u003eDocumentation\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/www.viessmann.de\/de\/produkte\/zubehoer\/divicon-heizkreisverteilung.html\" target=\"_blank\" rel=\"noopener\" title=\"Divicon on viessmann.de\"\u003eOfficial Viessmann page for the Divicon system\u003c\/a\u003e (in German).\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/vibooks.viessmann-climatesolutions.com\/es\/es\" target=\"_blank\" rel=\"noopener\" title=\"Viessmann Vibooks\"\u003eViessmann Vibooks\u003c\/a\u003e, with installation instructions by reference (in Spanish).\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"qt-nota-stock\"\u003e\u003cstrong\u003eAvailability and lead times:\u003c\/strong\u003e this item is in stock at our warehouse. Occasionally, depending on the time of year, the stock update may contain an error. If no units are available when you place your order, we will order it urgently and inform you immediately of the updated delivery time.\u003c\/p\u003e","brand":"Viessmann","offers":[{"title":"¾ inch \/ Wilo PARA \/ PlusBus","offer_id":58863899214168,"sku":"VI-7984152","price":1366.78,"currency_code":"EUR","in_stock":true},{"title":"1 inch \/ Wilo PARA \/ PlusBus","offer_id":58863899246936,"sku":"VI-7984153","price":1399.22,"currency_code":"EUR","in_stock":true},{"title":"1¼ inch \/ Wilo PARA \/ PlusBus","offer_id":58863899279704,"sku":"VI-7984154","price":1448.3,"currency_code":"EUR","in_stock":true},{"title":"¾ inch \/ Grundfos UPM3 \/ PlusBus","offer_id":59070000300376,"sku":"VI-7986466","price":1366.78,"currency_code":"EUR","in_stock":true},{"title":"1 inch \/ Grundfos UPM3 \/ PlusBus","offer_id":59070000333144,"sku":"VI-7986467","price":1399.22,"currency_code":"EUR","in_stock":true},{"title":"1¼ inch \/ Grundfos UPM3 \/ PlusBus","offer_id":59070000365912,"sku":"VI-7986468","price":1448.3,"currency_code":"EUR","in_stock":true},{"title":"¾ inch \/ Wilo PARA \/ KM-Bus","offer_id":59070000398680,"sku":"VI-7984149","price":1366.78,"currency_code":"EUR","in_stock":true},{"title":"1 inch \/ Wilo PARA \/ KM-Bus","offer_id":59070000431448,"sku":"VI-7984150","price":1399.22,"currency_code":"EUR","in_stock":true},{"title":"1¼ inch \/ Wilo PARA \/ KM-Bus","offer_id":59070000464216,"sku":"VI-7984151","price":1448.3,"currency_code":"EUR","in_stock":true},{"title":"¾ inch \/ Grundfos UPM3 \/ KM-Bus","offer_id":59070000496984,"sku":"VI-7986463","price":1366.78,"currency_code":"EUR","in_stock":true},{"title":"1 inch \/ Grundfos UPM3 \/ KM-Bus","offer_id":59070000529752,"sku":"VI-7986464","price":1399.22,"currency_code":"EUR","in_stock":true},{"title":"1¼ inch \/ Grundfos UPM3 \/ KM-Bus","offer_id":59070000562520,"sku":"VI-7986465","price":1448.3,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0015\/4592\/8792\/files\/viessmann-divicon-mezcladora-vista-frontal.webp?v=1794142881"},{"product_id":"viessmann-colector-grupos-bombeo-divicon","title":"Viessmann distribution manifold for 2 or 3 Divicon pump groups","description":"\u003ch2\u003eManifold to mount 2 or 3 Viessmann Divicon groups as a single unit\u003c\/h2\u003e\n\u003cp\u003eThe Viessmann \u003cstrong\u003eDivicon manifold\u003c\/strong\u003e distributes the water from the boiler or heat pump between \u003cstrong\u003e2 or 3 Divicon pump groups\u003c\/strong\u003e, mounted on top in a row. It is insulated and suitable for heating and cooling.\u003c\/p\u003e\n\u003ch3\u003eSummary\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eType\u003c\/th\u003e\n\u003ctd\u003eManifold (distributor) for Divicon pump groups\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBrand and model\u003c\/th\u003e\n\u003ctd\u003eViessmann, 2 models: 7986761 (2 Divicon) and 7986762 (3 Divicon)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFor Divicon\u003c\/th\u003e\n\u003ctd\u003eDN 20, DN 25 and DN 32, direct or with mixing valve\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCompatible with\u003c\/th\u003e\n\u003ctd\u003eWall-hung Vitodens boilers, \u003ca href=\"\/en-en\/products\/caldera-de-gasoil-vitorondens-200t-br2a-viessmann\" title=\"Vitorondens 200-T BR2A\"\u003eVitorondens 200-T\u003c\/a\u003e, \u003ca href=\"\/en-en\/products\/viessmann-vitodens-200-w-b2ha-gas-condensing-boiler-49-99-kw\" title=\"Vitodens 200-W B2HA\"\u003eVitodens 200-W B2HA\u003c\/a\u003e and Vitocal heat pumps with One Base\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eQ-Tech installation\u003c\/th\u003e\n\u003ctd\u003eFitted in a \u003ca href=\"\/en-en\/pages\/pre-montaje-avanzado\" title=\"Advanced pre-assembly of plant rooms\"\u003epre-assembled plant room\u003c\/a\u003e or on-site by an Expert Technician\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eTechnical data\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eData\u003c\/th\u003e\n\u003cth\u003e7986761\u003c\/th\u003e\n\u003cth\u003e7986762\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDivicon groups\u003c\/th\u003e\n\u003ctd\u003e2\u003c\/td\u003e\n\u003ctd\u003e3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eInsulation\u003c\/th\u003e\n\u003ctd\u003eIncluded\u003c\/td\u003e\n\u003ctd\u003eIncluded\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWeight\u003c\/th\u003e\n\u003ctd\u003e7.2 kg\u003c\/td\u003e\n\u003ctd\u003e11.2 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eViessmann list price (excluding VAT)\u003c\/th\u003e\n\u003ctd\u003e€358\u003c\/td\u003e\n\u003ctd\u003e€502\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eSources: Viessmann price list of September 2026 (p. 131) and product page of the German distributor Meinhausshop (weight).\u003c\/p\u003e\n\u003ch3\u003eCompatibility and limits\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eIt takes \u003ca href=\"\/en-en\/products\/viessmann-divicon-pump-group-direct-circuit-one-base\" title=\"Divicon direct circuit\"\u003edirect circuit Divicon\u003c\/a\u003e and \u003ca href=\"\/en-en\/products\/viessmann-divicon-pump-group-mixed-circuit-one-base\" title=\"Divicon with mixing valve\"\u003eDivicon with mixing valve\u003c\/a\u003e, PlusBus or KM-Bus.\u003c\/li\u003e\n\u003cli\u003eTo hang it on the wall, order the \u003ca href=\"\/en-en\/products\/viessmann-wall-bracket-divicon-manifold\" title=\"Wall bracket for Divicon manifold\"\u003emanifold wall bracket\u003c\/a\u003e.\u003c\/li\u003e\n\u003cli\u003eA \u003ca href=\"\/en-en\/products\/viessmann-low-loss-header-divicon-manifold\" title=\"Viessmann low loss header\"\u003elow loss header\u003c\/a\u003e can be mounted on the manifold.\u003c\/li\u003e\n\u003cli\u003eThe connection between the boiler and the manifold is made by the installer.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently asked questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eCan I combine direct and mixing valve Divicon?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. \u003cstrong\u003eThe manifold takes both types\u003c\/strong\u003e, for example one radiator circuit and one underfloor heating circuit.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the delivery time?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eIt is in stock at our warehouse.\u003c\/p\u003e\n\u003ch3\u003eDocumentation\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/www.viessmann.de\/de\/produkte\/zubehoer\/divicon-heizkreisverteilung.html\" target=\"_blank\" rel=\"noopener\" title=\"Divicon on viessmann.de\"\u003eOfficial Viessmann page for the Divicon system\u003c\/a\u003e (in German).\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/vibooks.viessmann-climatesolutions.com\/es\/es\" target=\"_blank\" rel=\"noopener\" title=\"Viessmann Vibooks\"\u003eViessmann Vibooks\u003c\/a\u003e, with installation instructions by reference (in Spanish).\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"qt-nota-stock\"\u003e\u003cstrong\u003eAvailability and lead times:\u003c\/strong\u003e this item is in stock at our warehouse. Occasionally, depending on the time of year, the stock update may contain an error. If no units are available when you place your order, we will order it urgently and inform you immediately of the updated delivery time.\u003c\/p\u003e","brand":"Viessmann","offers":[{"title":"For 2 Divicon","offer_id":58863907701080,"sku":"VI-7986761","price":297.82,"currency_code":"EUR","in_stock":true},{"title":"For 3 Divicon","offer_id":58863907733848,"sku":"VI-7986762","price":417.61,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0015\/4592\/8792\/files\/viessmann-colector-divicon-2-grupos-7986761.webp?v=1794142881"},{"product_id":"viessmann-fijacion-mural-colector-divicon","title":"Viessmann wall bracket for the Divicon pump group manifold","description":"\u003ch2\u003eWall bracket to hang the Divicon pump group manifold on the wall\u003c\/h2\u003e\n\u003cp\u003eThe Viessmann \u003cstrong\u003ewall bracket 7465439\u003c\/strong\u003e holds the \u003cstrong\u003emanifold for 2 or 3 Divicon groups\u003c\/strong\u003e on the wall, with the groups already mounted on top.\u003c\/p\u003e\n\u003ch3\u003eSummary\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eType\u003c\/th\u003e\n\u003ctd\u003eWall bracket for Divicon manifold\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBrand and reference\u003c\/th\u003e\n\u003ctd\u003eViessmann, ref. 7465439\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFor\u003c\/th\u003e\n\u003ctd\u003e\n\u003ca href=\"\/en-en\/products\/viessmann-manifold-divicon-pump-groups\" title=\"Manifold for Divicon\"\u003eManifold for 2 or 3 Divicon\u003c\/a\u003e (DN 20, DN 25 and DN 32)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWeight\u003c\/th\u003e\n\u003ctd\u003e1.45 kg with packaging\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eViessmann list price (excluding VAT)\u003c\/th\u003e\n\u003ctd\u003e€50\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eCompatibility and limits\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eOne per manifold; fixed with 10 mm wall plugs.\u003c\/li\u003e\n\u003cli\u003eFor a \u003cstrong\u003esingle Divicon without manifold\u003c\/strong\u003e, use the \u003ca href=\"\/en-en\/products\/viessmann-wall-bracket-divicon-without-manifold\" title=\"Divicon wall bracket\"\u003ewall bracket 7465894\u003c\/a\u003e.\u003c\/li\u003e\n\u003cli\u003eIt suits the manifolds of Vitodens boilers, \u003ca href=\"\/en-en\/products\/caldera-de-gasoil-vitorondens-200t-br2a-viessmann\" title=\"Vitorondens 200-T\"\u003eVitorondens 200-T\u003c\/a\u003e, Vitodens 200-W B2HA and One Base heat pumps.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eSource: Viessmann price list of September 2026 (p. 131).\u003c\/p\u003e\n\u003ch3\u003eDocumentation\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/www.viessmann.de\/de\/produkte\/zubehoer\/divicon-heizkreisverteilung.html\" target=\"_blank\" rel=\"noopener\" title=\"Divicon on viessmann.de\"\u003eOfficial Viessmann page for the Divicon system\u003c\/a\u003e (in German).\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"qt-nota-stock\"\u003e\u003cstrong\u003eAvailability and lead times:\u003c\/strong\u003e this item is in stock at our warehouse. Occasionally, depending on the time of year, the stock update may contain an error. If no units are available when you place your order, we will order it urgently and inform you immediately of the updated delivery time.\u003c\/p\u003e","brand":"Viessmann","offers":[{"title":"Default Title","offer_id":58863910551896,"sku":"VI-7465439","price":41.6,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0015\/4592\/8792\/files\/viessmann-fijacion-mural-colector-divicon-7465439.webp?v=1794142881"},{"product_id":"domusa-avanttia-ng-caldera-pie-condensacion-gas","title":"Domusa Avanttia NG floor-standing gas condensing boiler with stainless DHW tank","description":"\u003ch2\u003eFloor-standing gas condensing boiler with a stainless DHW tank for homes, from 24 to 33 kW\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eDomusa Avanttia NG\u003c\/strong\u003e is a \u003cstrong\u003efloor-standing gas condensing boiler\u003c\/strong\u003e with a stainless steel hot water tank inside the same casing. Q-Tech assembles and tests it in our workshop as part of a pre-assembled plant room, or integrates it into your existing plant room.\u003c\/p\u003e\n\u003ch3\u003eSummary\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eType\u003c\/th\u003e\n\u003ctd\u003eFloor-standing gas condensing boiler with built-in domestic hot water (DHW) tank\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBrand and model\u003c\/th\u003e\n\u003ctd\u003eDomusa Teknik Avanttia NG, 4 models: 24 HDX 120 L, 24 HDX 150 L, 28 HDX 150 L and 33 HDX 150 L\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eUse\u003c\/th\u003e\n\u003ctd\u003eHeating and domestic hot water (DHW)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eUseful output at 50\/30 °C\u003c\/th\u003e\n\u003ctd\u003eFrom 25.3 to 35.6 kW depending on model\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHot water\u003c\/th\u003e\n\u003ctd\u003eStainless tank of 120 or 150 litres; from 826 to 957 litres per hour continuous with a 30 °C rise\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eEfficiency\u003c\/th\u003e\n\u003ctd\u003eClass A for heating and DHW, XL DHW profile; 1:10 modulation; NOx class 6\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFuel\u003c\/th\u003e\n\u003ctd\u003eNatural gas from the factory; propane after adjustment by a technician authorised by Domusa\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWarranty\u003c\/th\u003e\n\u003ctd\u003e3 years from official commissioning, extendable to 7 years with the Domusa Teknik extension\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eQ-Tech installation\u003c\/th\u003e\n\u003ctd\u003eInside a \u003ca href=\"\/en-en\/pages\/pre-montaje-avanzado\" title=\"Advanced pre-assembly of plant rooms\"\u003epre-assembled plant room\u003c\/a\u003e or on-site by an Expert Technician\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eWhat is the Domusa Avanttia NG?\u003c\/h3\u003e\n\u003cp\u003eThe Domusa Teknik Avanttia NG is a floor-standing gas condensing boiler for heating and DHW with a built-in stainless steel tank of 120 or 150 litres. Its premix burner adjusts combustion through flame ionisation and modulates from 1 to 10. It has a footprint of 560 × 610 mm.\u003c\/p\u003e\n\u003ch3\u003eWhat problem does it solve?\u003c\/h3\u003e\n\u003cp\u003eIn a home with several bathrooms, an instantaneous combi boiler falls short when two taps run at the same time. A separate cylinder solves the flow rate, but it takes up space and adds connections and failure points to the plant room.\u003c\/p\u003e\n\u003cp\u003eThe Avanttia NG combines boiler and \u003cstrong\u003estainless tank of 120 or 150 litres\u003c\/strong\u003e in a single unit. Domusa states \u003cstrong\u003eup to 367 litres in 10 minutes\u003c\/strong\u003e with a 30 °C rise and an XL DHW profile. Q-Tech calculates the heating and hot water demand before recommending a model.\u003c\/p\u003e\n\u003ch3\u003eTechnical data\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eBoiler type\u003c\/th\u003e\n\u003ctd\u003eFloor-standing, condensing, with DHW tank\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFuel\u003c\/th\u003e\n\u003ctd\u003eNatural gas (G20) set at the factory; propane (G31) by changing the gas parameter and adjusting combustion\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eGas supply pressure\u003c\/th\u003e\n\u003ctd\u003e20 mbar with natural gas; 37 mbar with propane\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eEfficiency\u003c\/th\u003e\n\u003ctd\u003eOver 108% on net calorific value at 30% load, according to Domusa\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSeasonal space heating efficiency\u003c\/th\u003e\n\u003ctd\u003e92% (class A)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eModulation\u003c\/th\u003e\n\u003ctd\u003e1:10\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eNOx emissions\u003c\/th\u003e\n\u003ctd\u003eClass 6, below 56 mg\/kWh under the 2018 ErP regulation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBoiler body\u003c\/th\u003e\n\u003ctd\u003eSingle-coil stainless steel, with no parallel circuits or welds\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCombustion control\u003c\/th\u003e\n\u003ctd\u003eGas Adaptative, with flame ionisation control\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDHW tank\u003c\/th\u003e\n\u003ctd\u003eStainless steel, 120 or 150 litres, with recirculation connection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHeating temperature\u003c\/th\u003e\n\u003ctd\u003eFrom 25 to 80 °C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDHW temperature\u003c\/th\u003e\n\u003ctd\u003eFrom 10 to 65 °C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHeating pressure\u003c\/th\u003e\n\u003ctd\u003eFrom 0.5 to 3 bar\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePower supply\u003c\/th\u003e\n\u003ctd\u003e230 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eProtection rating\u003c\/th\u003e\n\u003ctd\u003eIP20\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFlue\u003c\/th\u003e\n\u003ctd\u003eConcentric Ø 60\/100 or 80\/125 and twin-pipe Ø 80\/80\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eEquipment\u003c\/th\u003e\n\u003ctd\u003eHigh-efficiency circulator, diverter valve, by-pass, heating and DHW expansion vessels, safety valves, automatic air vent, filling valve, dielectric unions and condensate trap\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMade in\u003c\/th\u003e\n\u003ctd\u003eSpain\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eModels and data by variant\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth\u003eUseful output 80\/60 °C\u003c\/th\u003e\n\u003cth\u003eUseful output 50\/30 °C\u003c\/th\u003e\n\u003cth\u003eContinuous DHW (30 °C rise)\u003c\/th\u003e\n\u003cth\u003eDHW in 10 minutes\u003c\/th\u003e\n\u003cth\u003eTank\u003c\/th\u003e\n\u003cth\u003eExpansion vessel\u003c\/th\u003e\n\u003cth\u003eHeight\u003c\/th\u003e\n\u003cth\u003eEmpty weight\u003c\/th\u003e\n\u003cth\u003eDomusa reference\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e24 HDX 120 L\u003c\/th\u003e\n\u003ctd\u003e23.7 kW\u003c\/td\u003e\n\u003ctd\u003e25.3 kW\u003c\/td\u003e\n\u003ctd\u003e826 l per hour\u003c\/td\u003e\n\u003ctd\u003e304 l\u003c\/td\u003e\n\u003ctd\u003e120 l\u003c\/td\u003e\n\u003ctd\u003e8 l\u003c\/td\u003e\n\u003ctd\u003e1,555 mm\u003c\/td\u003e\n\u003ctd\u003e170 kg\u003c\/td\u003e\n\u003ctd\u003eTAVA000164\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e24 HDX 150 L\u003c\/th\u003e\n\u003ctd\u003e23.7 kW\u003c\/td\u003e\n\u003ctd\u003e25.3 kW\u003c\/td\u003e\n\u003ctd\u003e892 l per hour\u003c\/td\u003e\n\u003ctd\u003e357 l\u003c\/td\u003e\n\u003ctd\u003e150 l\u003c\/td\u003e\n\u003ctd\u003e8 l\u003c\/td\u003e\n\u003ctd\u003e1,725 mm\u003c\/td\u003e\n\u003ctd\u003e180 kg\u003c\/td\u003e\n\u003ctd\u003eTAVA000165\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e28 HDX 150 L\u003c\/th\u003e\n\u003ctd\u003e28 kW\u003c\/td\u003e\n\u003ctd\u003e30.1 kW\u003c\/td\u003e\n\u003ctd\u003e957 l per hour\u003c\/td\u003e\n\u003ctd\u003e367 l\u003c\/td\u003e\n\u003ctd\u003e150 l\u003c\/td\u003e\n\u003ctd\u003e12 l\u003c\/td\u003e\n\u003ctd\u003e1,725 mm\u003c\/td\u003e\n\u003ctd\u003e180 kg\u003c\/td\u003e\n\u003ctd\u003eTAVA000166\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e33 HDX 150 L\u003c\/th\u003e\n\u003ctd\u003e33 kW\u003c\/td\u003e\n\u003ctd\u003e35.6 kW\u003c\/td\u003e\n\u003ctd\u003e957 l per hour\u003c\/td\u003e\n\u003ctd\u003e367 l\u003c\/td\u003e\n\u003ctd\u003e150 l\u003c\/td\u003e\n\u003ctd\u003e12 l\u003c\/td\u003e\n\u003ctd\u003e1,725 mm\u003c\/td\u003e\n\u003ctd\u003e180 kg\u003c\/td\u003e\n\u003ctd\u003eTAVA000167\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eWidth and depth: 560 × 610 mm on all four models. Data from the Domusa Teknik 2026 price list and Avanttia NG catalogue; empty weight from the installation manual.\u003c\/p\u003e\n\u003ch3\u003eCompatibility and limits\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eIt leaves the factory set for natural gas. For propane, a professional authorised by Domusa Teknik changes the gas parameter and adjusts combustion.\u003c\/li\u003e\n\u003cli\u003eFlue with Domusa accessories only: concentric Ø 60\/100 up to 10 m horizontal and 11 m vertical; concentric Ø 80\/125 up to 20 and 22 m; twin-pipe Ø 80\/80 up to 30 m. Each bend reduces the allowed length.\u003c\/li\u003e\n\u003cli\u003eThe hydraulic connections are routed to the left, right or top with the Avanttia NG outlet kit, sold separately.\u003c\/li\u003e\n\u003cli\u003eIt accepts a room thermostat, an OpenTherm remote control such as the Lago FB OT+ and an outdoor sensor to adapt the output to the weather.\u003c\/li\u003e\n\u003cli\u003eDomusa includes commissioning by its official technical service; travel is charged separately.\u003c\/li\u003e\n\u003cli\u003eGas and heating installation and certification require a licensed installation company.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhen this product is not the right choice\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eIf you want to move away from gas and keep your radiators, the \u003ca href=\"\/en-en\/products\/domusa-dual-clima-ht-pro-r290-heat-pump\" title=\"Domusa Dual Clima HT Pro heat pump\"\u003eDomusa Dual Clima HT Pro\u003c\/a\u003e heat pump delivers flow temperatures of up to 75 °C.\u003c\/li\u003e\n\u003cli\u003eIf you want heating and hot water from an indoor unit without combustion, the \u003ca href=\"\/en-en\/products\/domusa-nanoclima-4-hdx-135-indoor-heat-pump-dhw\" title=\"Domusa NanoClima 4 HDX 135 indoor heat pump with DHW\"\u003eDomusa NanoClima 4 HDX 135\u003c\/a\u003e has 135 litres of DHW.\u003c\/li\u003e\n\u003cli\u003eIf the home has neither natural gas nor a propane tank, the boiler has no fuel: choose a heat pump.\u003c\/li\u003e\n\u003cli\u003eIf you only need heating, without hot water storage, a boiler without a tank takes up less space.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently asked questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhich model do I need?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eIt depends on the heating output and the hot water use. Send us the floor area, insulation, emitters and number of bathrooms on \u003ca href=\"https:\/\/wa.me\/qtechhouses\" target=\"_blank\" rel=\"noopener\"\u003eWhatsApp\u003c\/a\u003e and we will recommend a model.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes it work with propane?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. It leaves the factory set for natural gas, and a technician authorised by Domusa converts it to propane by changing a parameter and adjusting combustion.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs it hydrogen ready?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eDomusa Teknik does not publish compatibility with hydrogen blends for the Avanttia NG. Its approved gases are natural gas and propane.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat warranty does it have?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eThree years from official commissioning\u003c\/strong\u003e, according to Domusa Teknik, with an annual service. It extends to 7 years, including travel, labour and spare parts, if you take out the extension with the Domusa technical service within one month of commissioning.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the lead time?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eIt is in stock at our warehouse. Because of its weight, transport is quoted separately.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I install it myself?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo. It needs a licensed installation company and Domusa commissioning; Q-Tech integrates it and carries out the pre-commissioning check.\u003c\/p\u003e\n\u003ch3\u003eQ-Tech installation and support\u003c\/h3\u003e\n\u003cp\u003eThe Avanttia NG can arrive on site inside a \u003cstrong\u003epre-assembled plant room\u003c\/strong\u003e: Q-Tech assembles it in our workshop with the rest of the plant room, configures it and runs safety, operating and pressure tests. The plant room \u003cstrong\u003earrives tested and ready to connect\u003c\/strong\u003e; the final connection is made by the site installer or by Q-Tech with the \u003ca href=\"\/en-en\/products\/tecnico-experto-instalacion\" title=\"On-site Expert Technician by the day\"\u003eon-site Expert Technician by the day\u003c\/a\u003e. See the process in \u003ca href=\"\/en-en\/pages\/pre-montaje-avanzado\" title=\"Advanced pre-assembly of plant rooms\"\u003ePre-Montaje Avanzado\u003c\/a\u003e and in the \u003ca href=\"\/en-en\/products\/tecnico-experto-pre-montaje-nave\" title=\"Expert Technician workshop pre-assembly\"\u003eExpert Technician workshop pre-assembly\u003c\/a\u003e service.\u003c\/p\u003e\n\u003cp\u003eIf another company installs the boiler, or it replaces a boiler in an existing system, Q-Tech first carries out a verification visit with the \u003ca href=\"\/en-en\/products\/tecnico-experto-in-situ-horas\" title=\"On-site hourly Expert Technician\"\u003eon-site hourly Expert Technician\u003c\/a\u003e. The pre-commissioning check leaves everything ready for the official commissioning by the Domusa technical service.\u003c\/p\u003e\n\u003cp\u003eTo choose a model, book a \u003ca href=\"\/en-en\/products\/expert-technician-remote-technical-call\" title=\"Expert Technician technical call\"\u003etechnical call\u003c\/a\u003e or message us on \u003ca href=\"https:\/\/wa.me\/qtechhouses\" target=\"_blank\" rel=\"noopener\"\u003eWhatsApp\u003c\/a\u003e. More units and components in \u003ca href=\"\/en-en\/collections\/calefaccion\" title=\"Heating\"\u003eheating\u003c\/a\u003e.\u003c\/p\u003e\n\u003cdiv class=\"qt-calc\" style=\"display:flex;flex-wrap:wrap;align-items:center;gap:16px;margin:1.6em 0;\"\u003e\u003cdiv style=\"flex:1 1 280px;padding:16px 18px;border:1px solid rgba(27,34,48,0.14);border-radius:12px;background:rgba(27,34,48,0.03);\"\u003e\u003cp style=\"margin:0 0 8px;\"\u003e\u003cstrong\u003eQ-Tech VDI 2035 calculator\u003c\/strong\u003e\u003c\/p\u003e\u003cp style=\"margin:0 0 8px;\"\u003eCheck whether the water in your heating system meets the VDI 2035 guideline (Part 1, 2021). Enter the output, the system volume in litres and the hardness and conductivity of your mains water: the calculator gives you the verdict and the three key figures for filling or topping up the circuit. If you need it, we will send you the full report.\u003c\/p\u003e\u003cp style=\"margin:0;font-size:0.85em;opacity:0.75;\"\u003eGuidance only: check the manufacturer's requirements.\u003c\/p\u003e\u003c\/div\u003e\u003ca href=\"\/en-en\/pages\/calculadora-vdi-2035\" title=\"Open the VDI 2035 calculator\" style=\"flex:1 1 280px;display:block;border-radius:12px;overflow:hidden;box-shadow:0 4px 14px rgba(27,34,48,0.12);\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0015\/4592\/8792\/files\/vdi2035-calculadora-banner-qtech-en.webp?v=1794073125\" alt=\"VDI 2035 calculator: check whether your system water meets the guideline. Open the calculator\" width=\"2400\" height=\"1200\" loading=\"lazy\" style=\"display:block;width:100%;height:auto;\"\u003e\u003c\/a\u003e\u003c\/div\u003e\n\u003ch3\u003eDocumentation\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.domusateknik.com\/en\/avanttia-ng\" target=\"_blank\" rel=\"noopener\" title=\"Avanttia NG at domusateknik.com\"\u003eOfficial Avanttia NG page at Domusa Teknik\u003c\/a\u003e, with manuals, catalogue, warranty document and energy labels for each model (mostly in Spanish).\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"qt-nota-stock\"\u003e\u003cstrong\u003eAvailability and lead times:\u003c\/strong\u003e this item is in stock at our warehouse. Occasionally, depending on the time of year, the stock update may contain an error. If no units are available when you place your order, we will order it urgently and inform you immediately of the updated delivery time. Because of its weight, transport is quoted separately.\u003c\/p\u003e","brand":"Domusa Teknik","offers":[{"title":"24 HDX 120 L","offer_id":59069067919704,"sku":"DO-TAVA000164","price":3143.04,"currency_code":"EUR","in_stock":true},{"title":"24 HDX 150 L","offer_id":59069067952472,"sku":"DO-TAVA000165","price":3242.3,"currency_code":"EUR","in_stock":true},{"title":"28 HDX 150 L","offer_id":59069067985240,"sku":"DO-TAVA000166","price":3276.83,"currency_code":"EUR","in_stock":true},{"title":"33 HDX 150 L","offer_id":59069068018008,"sku":"DO-TAVA000167","price":3458.11,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0015\/4592\/8792\/files\/domusa-avanttia-ng-caldera-pie-condensacion-gas-fondo-blanco.webp?v=1794129420"},{"product_id":"domusa-kit-salidas-avanttia-ng","title":"Domusa outlet kit for Avanttia NG: connections to the left, right or top","description":"\u003ch2\u003eOutlet kit to route the Avanttia NG boiler connections to one side or the top\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eDomusa Avanttia NG outlet kit\u003c\/strong\u003e routes the \u003cstrong\u003ehydraulic connections to the left, right or top\u003c\/strong\u003e of the boiler, depending on where the plant room pipework arrives.\u003c\/p\u003e\n\u003ch3\u003eSummary\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eType\u003c\/th\u003e\n\u003ctd\u003eHydraulic outlet kit for floor-standing boiler\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBrand and model\u003c\/th\u003e\n\u003ctd\u003eDomusa Teknik, Avanttia NG outlet kit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eVersions\u003c\/th\u003e\n\u003ctd\u003eLeft (TKITAVA004), right (TKITAVA005) and top (TKITAVA006)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCompatible with\u003c\/th\u003e\n\u003ctd\u003eDomusa Avanttia NG 24 HDX 120 L, 24 HDX 150 L, 28 HDX 150 L and 33 HDX 150 L boilers\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003eCopper pipes with shut-off valves, according to the Domusa catalogue\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eQ-Tech installation\u003c\/th\u003e\n\u003ctd\u003eFitted as standard in the \u003ca href=\"\/en-en\/pages\/pre-montaje-avanzado\" title=\"Advanced pre-assembly of plant rooms\"\u003epre-assembled plant room\u003c\/a\u003e or on-site by an Expert Technician\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eWhat is the Avanttia NG outlet kit?\u003c\/h3\u003e\n\u003cp\u003eThe Domusa Teknik Avanttia NG outlet kit is a set of copper pipes with shut-off valves that routes the boiler connections to one side or to the top. Domusa sells it in three versions depending on the outlet direction.\u003c\/p\u003e\n\u003ch3\u003eCompatibility and limits\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eFor Domusa Avanttia NG boilers only, according to the Domusa Teknik 2026 price list.\u003c\/li\u003e\n\u003cli\u003eChoose one version: left, right or top. Each boiler takes a single kit.\u003c\/li\u003e\n\u003cli\u003eGas and heating connections are made by a licensed installation company.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently asked questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhich version do I need?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe one matching the side where the pipework reaches the boiler: left, right or top. If in doubt, send us a photo of the plant room on \u003ca href=\"https:\/\/wa.me\/qtechhouses\" target=\"_blank\" rel=\"noopener\"\u003eWhatsApp\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes it come with the boiler?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo. Domusa sells it separately, as an option for the \u003ca href=\"\/en-en\/products\/domusa-avanttia-ng-floor-standing-gas-condensing-boiler\" title=\"Domusa Avanttia NG boiler\"\u003eAvanttia NG boiler\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the lead time?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eIt is in stock at our warehouse.\u003c\/p\u003e\n\u003ch3\u003eDocumentation\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.domusateknik.com\/en\/avanttia-ng\" target=\"_blank\" rel=\"noopener\" title=\"Avanttia NG at domusateknik.com\"\u003eOfficial Avanttia NG page at Domusa Teknik\u003c\/a\u003e, with the catalogue and manuals (mostly in Spanish).\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"qt-nota-stock\"\u003e\u003cstrong\u003eAvailability and lead times:\u003c\/strong\u003e this item is in stock at our warehouse. Occasionally, depending on the time of year, the stock update may contain an error. If no units are available when you place your order, we will order it urgently and inform you immediately of the updated delivery time.\u003c\/p\u003e","brand":"Domusa Teknik","offers":[{"title":"Left","offer_id":59069081715032,"sku":"DO-TKITAVA004","price":106.69,"currency_code":"EUR","in_stock":true},{"title":"Right","offer_id":59069081747800,"sku":"DO-TKITAVA005","price":106.69,"currency_code":"EUR","in_stock":true},{"title":"Up","offer_id":59069081780568,"sku":"DO-TKITAVA006","price":132.73,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0015\/4592\/8792\/files\/domusa-kit-salidas-avanttia-ng-izquierda-tkitava004.webp?v=1794129550"},{"product_id":"domusa-proteccion-catodica-dx-avanttia-ng","title":"Domusa DX cathodic protection for the Avanttia NG boiler DHW tank","description":"\u003ch2\u003eCathodic protection for the hot water tank of the Avanttia NG boiler\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eDomusa DX cathodic protection\u003c\/strong\u003e is the option Domusa Teknik offers to protect the \u003cstrong\u003eAvanttia NG tank\u003c\/strong\u003e against corrosion.\u003c\/p\u003e\n\u003ch3\u003eSummary\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eType\u003c\/th\u003e\n\u003ctd\u003eCathodic protection for DHW tank\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBrand and model\u003c\/th\u003e\n\u003ctd\u003eDomusa Teknik, DX cathodic protection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDomusa reference\u003c\/th\u003e\n\u003ctd\u003eTKITSAN000\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCompatible with\u003c\/th\u003e\n\u003ctd\u003eDomusa Avanttia NG boilers, according to the Domusa Teknik 2026 price list\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eUse\u003c\/th\u003e\n\u003ctd\u003eProtection of the domestic hot water tank\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eQ-Tech installation\u003c\/th\u003e\n\u003ctd\u003eFitted in the \u003ca href=\"\/en-en\/pages\/pre-montaje-avanzado\" title=\"Advanced pre-assembly of plant rooms\"\u003epre-assembled plant room\u003c\/a\u003e or on-site by an Expert Technician\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eWhat is the DX cathodic protection?\u003c\/h3\u003e\n\u003cp\u003eThe Domusa Teknik DX cathodic protection is an accessory for the domestic hot water tank. Domusa lists it in its 2026 price list as an option for the Avanttia NG boiler.\u003c\/p\u003e\n\u003ch3\u003eCompatibility and limits\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eOption for Domusa Avanttia NG 24 HDX 120 L, 24 HDX 150 L, 28 HDX 150 L and 33 HDX 150 L boilers, according to the Domusa price list.\u003c\/li\u003e\n\u003cli\u003eIt is fitted by the installation company or the Domusa technical service.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently asked questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eDoes it come with the boiler?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo. Domusa sells it separately, as an option for the \u003ca href=\"\/en-en\/products\/domusa-avanttia-ng-floor-standing-gas-condensing-boiler\" title=\"Domusa Avanttia NG boiler\"\u003eAvanttia NG boiler\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes it fit other tanks?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe Domusa price list only lists it for the Avanttia NG. For other equipment, ask us on \u003ca href=\"https:\/\/wa.me\/qtechhouses\" target=\"_blank\" rel=\"noopener\"\u003eWhatsApp\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the lead time?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eIt is in stock at our warehouse.\u003c\/p\u003e\n\u003ch3\u003eDocumentation\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.domusateknik.com\/en\/avanttia-ng\" target=\"_blank\" rel=\"noopener\" title=\"Avanttia NG at domusateknik.com\"\u003eOfficial Avanttia NG page at Domusa Teknik\u003c\/a\u003e, with the catalogue and manuals (mostly in Spanish).\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"qt-nota-stock\"\u003e\u003cstrong\u003eAvailability and lead times:\u003c\/strong\u003e this item is in stock at our warehouse. Occasionally, depending on the time of year, the stock update may contain an error. If no units are available when you place your order, we will order it urgently and inform you immediately of the updated delivery time.\u003c\/p\u003e","brand":"Domusa Teknik","offers":[{"title":"Default Title","offer_id":59069082861912,"sku":"DO-TKITSAN000","price":175.98,"currency_code":"EUR","in_stock":true}]},{"product_id":"domusa-lago-fb-ot-plus-control-remoto","title":"Domusa Lago FB OT+ remote control with room sensor for Avanttia NG","description":"\u003ch2\u003eRemote control with modulating room sensor for the Avanttia NG boiler\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eDomusa Lago FB OT+\u003c\/strong\u003e is a \u003cstrong\u003eremote control with a room sensor\u003c\/strong\u003e that regulates the Avanttia NG boiler from inside the home, without going to the boiler room.\u003c\/p\u003e\n\u003ch3\u003eSummary\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eType\u003c\/th\u003e\n\u003ctd\u003eRemote control with modulating room sensor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBrand and model\u003c\/th\u003e\n\u003ctd\u003eDomusa Teknik Lago FB OT+\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDomusa reference\u003c\/th\u003e\n\u003ctd\u003eCELC000295\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCommunication\u003c\/th\u003e\n\u003ctd\u003eOpenTherm, wired\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCompatible with\u003c\/th\u003e\n\u003ctd\u003eDomusa Avanttia NG boilers, according to the Domusa Teknik 2026 price list\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eQ-Tech installation\u003c\/th\u003e\n\u003ctd\u003eConfiguration and pre-commissioning check by an \u003ca href=\"\/en-en\/products\/tecnico-experto-in-situ-horas\" title=\"On-site hourly Expert Technician\"\u003eExpert Technician\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eWhat is the Lago FB OT+?\u003c\/h3\u003e\n\u003cp\u003eThe Domusa Teknik Lago FB OT+ is a remote control with a room sensor that communicates with the boiler over OpenTherm. Domusa describes it as a modulating room sensor: it adjusts the boiler output to the temperature in the home.\u003c\/p\u003e\n\u003ch3\u003eCompatibility and limits\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eOption for Domusa Avanttia NG boilers, which accept OpenTherm remote controls according to their manual.\u003c\/li\u003e\n\u003cli\u003eIt is wired to the boiler; the connection is made by the installation company or the technical service.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently asked questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eHow does it differ from a standard thermostat?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eAn on\/off thermostat only switches the boiler on and off. The Lago FB OT+ is modulating: it talks to the boiler over OpenTherm to adjust its output.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes it come with the boiler?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo. Domusa sells it separately, as an option for the \u003ca href=\"\/en-en\/products\/domusa-avanttia-ng-floor-standing-gas-condensing-boiler\" title=\"Domusa Avanttia NG boiler\"\u003eAvanttia NG boiler\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the lead time?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eIt is in stock at our warehouse.\u003c\/p\u003e\n\u003ch3\u003eDocumentation\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.domusateknik.com\/en\/lago-fb-ot\" target=\"_blank\" rel=\"noopener\" title=\"Lago FB ot+ at domusateknik.com\"\u003eOfficial Lago FB OT+ page at Domusa Teknik\u003c\/a\u003e.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"qt-nota-stock\"\u003e\u003cstrong\u003eAvailability and lead times:\u003c\/strong\u003e this item is in stock at our warehouse. Occasionally, depending on the time of year, the stock update may contain an error. If no units are available when you place your order, we will order it urgently and inform you immediately of the updated delivery time.\u003c\/p\u003e","brand":"Domusa Teknik","offers":[{"title":"Default Title","offer_id":59069085221208,"sku":"DO-CELC000295","price":147.14,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0015\/4592\/8792\/files\/domusa-lago-fb-ot-plus-control-remoto-celc000295.webp?v=1794129598"},{"product_id":"domusa-sonda-exterior-avanttia-ng","title":"Domusa outdoor sensor for the Avanttia NG boiler, weather compensation","description":"\u003ch2\u003eOutdoor sensor so the Avanttia NG boiler adapts its output to the weather\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eDomusa outdoor sensor\u003c\/strong\u003e measures the outside temperature and lets the \u003cstrong\u003eAvanttia NG adapt its output to the weather\u003c\/strong\u003e, according to the Domusa Teknik catalogue.\u003c\/p\u003e\n\u003ch3\u003eSummary\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eType\u003c\/th\u003e\n\u003ctd\u003eOutdoor temperature sensor for boiler\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003ctd\u003eDomusa Teknik\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDomusa reference\u003c\/th\u003e\n\u003ctd\u003eCEVT000143\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFunction\u003c\/th\u003e\n\u003ctd\u003eAdapting the boiler output to outdoor weather conditions\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCompatible with\u003c\/th\u003e\n\u003ctd\u003eDomusa Avanttia NG boilers, according to the Domusa Teknik 2026 price list\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eQ-Tech installation\u003c\/th\u003e\n\u003ctd\u003eConnection and pre-commissioning check by an \u003ca href=\"\/en-en\/products\/tecnico-experto-in-situ-horas\" title=\"On-site hourly Expert Technician\"\u003eExpert Technician\u003c\/a\u003e or in the \u003ca href=\"\/en-en\/pages\/pre-montaje-avanzado\" title=\"Advanced pre-assembly of plant rooms\"\u003epre-assembled plant room\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eWhat is the CEVT000143 outdoor sensor?\u003c\/h3\u003e\n\u003cp\u003eThe Domusa Teknik CEVT000143 outdoor sensor is a temperature sensor fitted on an outside wall and wired to the boiler. With it, the Avanttia NG adjusts its output to the outdoor temperature, according to Domusa.\u003c\/p\u003e\n\u003ch3\u003eCompatibility and limits\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eOption for Domusa Avanttia NG boilers, which have an outdoor sensor input according to their manual.\u003c\/li\u003e\n\u003cli\u003eIt is fitted outdoors and wired to the boiler; the connection is made by the installation company or the technical service.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently asked questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is it for?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eIt lets the boiler adapt its output to the outside temperature: more output in cold weather and less in mild weather, according to Domusa.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes it come with the boiler?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo. Domusa sells it separately, as an option for the \u003ca href=\"\/en-en\/products\/domusa-avanttia-ng-floor-standing-gas-condensing-boiler\" title=\"Domusa Avanttia NG boiler\"\u003eAvanttia NG boiler\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the lead time?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eIt is in stock at our warehouse.\u003c\/p\u003e\n\u003ch3\u003eDocumentation\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.domusateknik.com\/en\/avanttia-ng\" target=\"_blank\" rel=\"noopener\" title=\"Avanttia NG at domusateknik.com\"\u003eOfficial Avanttia NG page at Domusa Teknik\u003c\/a\u003e, with the catalogue and manuals (mostly in Spanish).\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"qt-nota-stock\"\u003e\u003cstrong\u003eAvailability and lead times:\u003c\/strong\u003e this item is in stock at our warehouse. Occasionally, depending on the time of year, the stock update may contain an error. If no units are available when you place your order, we will order it urgently and inform you immediately of the updated delivery time.\u003c\/p\u003e","brand":"Domusa Teknik","offers":[{"title":"Default Title","offer_id":59069088072024,"sku":"DO-CEVT000143","price":17.7,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0015\/4592\/8792\/files\/domusa-sonda-exterior-cevt000143.webp?v=1794129623"},{"product_id":"domusa-termostato-confort-wifi","title":"Domusa CONFORT WiFi connected thermostat, programmable from your phone","description":"\u003ch2\u003eProgrammable thermostat with phone control for the Avanttia NG boiler\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eDomusa CONFORT WiFi\u003c\/strong\u003e is a \u003cstrong\u003eprogrammable thermostat you control from your phone\u003c\/strong\u003e, and Domusa Teknik offers it as an option for the Avanttia NG boiler.\u003c\/p\u003e\n\u003ch3\u003eSummary\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eType\u003c\/th\u003e\n\u003ctd\u003eProgrammable connected thermostat\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBrand and model\u003c\/th\u003e\n\u003ctd\u003eDomusa Teknik CONFORT WiFi\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDomusa reference\u003c\/th\u003e\n\u003ctd\u003eCELC000579\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eControl\u003c\/th\u003e\n\u003ctd\u003eOn the thermostat itself and from your phone over WiFi\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCompatible with\u003c\/th\u003e\n\u003ctd\u003eDomusa Avanttia NG boilers, according to the Domusa Teknik 2026 price list\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eQ-Tech installation\u003c\/th\u003e\n\u003ctd\u003eConfiguration and pre-commissioning check by an \u003ca href=\"\/en-en\/products\/tecnico-experto-in-situ-horas\" title=\"On-site hourly Expert Technician\"\u003eExpert Technician\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eWhat is the CONFORT WiFi?\u003c\/h3\u003e\n\u003cp\u003eThe Domusa Teknik CONFORT WiFi is a programmable thermostat with control from your phone. It lets you set schedules and change the home temperature while you are away.\u003c\/p\u003e\n\u003ch3\u003eCompatibility and limits\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eOption for Domusa Avanttia NG boilers, according to the Domusa price list.\u003c\/li\u003e\n\u003cli\u003ePhone control needs a WiFi network in the home.\u003c\/li\u003e\n\u003cli\u003eIt is connected to the boiler by the installation company or the technical service.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently asked questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eCan I control the heating while I am away?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. Domusa presents it as a programmable thermostat with control from your phone.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes it come with the boiler?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo. Domusa sells it separately, as an option for the \u003ca href=\"\/en-en\/products\/domusa-avanttia-ng-floor-standing-gas-condensing-boiler\" title=\"Domusa Avanttia NG boiler\"\u003eAvanttia NG boiler\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the lead time?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eIt is in stock at our warehouse.\u003c\/p\u003e\n\u003ch3\u003eDocumentation\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.domusateknik.com\/en\/confort-wifi\" target=\"_blank\" rel=\"noopener\" title=\"CONFORT WiFi at domusateknik.com\"\u003eOfficial CONFORT WiFi page at Domusa Teknik\u003c\/a\u003e.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"qt-nota-stock\"\u003e\u003cstrong\u003eAvailability and lead times:\u003c\/strong\u003e this item is in stock at our warehouse. Occasionally, depending on the time of year, the stock update may contain an error. If no units are available when you place your order, we will order it urgently and inform you immediately of the updated delivery time.\u003c\/p\u003e","brand":"Domusa Teknik","offers":[{"title":"Default Title","offer_id":59069090824536,"sku":"DO-CELC000579","price":124.99,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0015\/4592\/8792\/files\/domusa-termostato-confort-wifi-celc000579.webp?v=1794129647"},{"product_id":"viessmann-vitodens-200-w-b2ha-caldera-gas-condensacion-49-99-kw","title":"Viessmann Vitodens 200-W B2HA wall-hung gas condensing boiler, 49 to 99 kW","description":"\u003ch2\u003eWall-hung gas condensing boiler from 49 to 99 kW for buildings and cascades of up to 594 kW\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eViessmann Vitodens 200-W B2HA\u003c\/strong\u003e is a \u003cstrong\u003ehigh-output wall-hung gas condensing boiler\u003c\/strong\u003e, heating only, with an Inox-Radial heat exchanger, a modulating MatriX cylinder burner and Lambda Pro Control combustion management. Q-Tech assembles and tests it in our workshop as part of a pre-assembled plant room, on its own or in a cascade, or integrates it into the building's existing boiler room.\u003c\/p\u003e\n\u003ch3\u003eSummary\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\u003cth\u003eType\u003c\/th\u003e\u003ctd\u003eWall-hung gas condensing boiler, heating only, room-sealed or open-flue operation\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eBrand and model\u003c\/th\u003e\u003ctd\u003eViessmann Vitodens 200-W B2HA, 5 outputs: 49, 60, 69, 80 and 99 kW\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eUse\u003c\/th\u003e\u003ctd\u003eHeating for residential, commercial and public buildings; domestic hot water (DHW) with a separate cylinder\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eUseful output\u003c\/th\u003e\u003ctd\u003eFrom 12.0 to 99.0 kW at 50 °C flow and 30 °C return, depending on the model\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eEfficiency\u003c\/th\u003e\u003ctd\u003eSeasonal efficiency of up to 98% on gross calorific value (109% on net calorific value), according to Viessmann\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eControl\u003c\/th\u003e\u003ctd\u003eChoice of constant-temperature Vitotronic 100 HC1B or weather-compensated Vitotronic 200 HO1B\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eGas\u003c\/th\u003e\u003ctd\u003eNatural gas and LPG; accepts up to 20% hydrogen blended with the gas, according to Viessmann\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eCascade\u003c\/th\u003e\u003ctd\u003eFrom 2 to 6 boilers, up to 594 kW, with the Vitotronic 300-K cascade control\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eQ-Tech installation\u003c\/th\u003e\u003ctd\u003eInside a \u003ca href=\"\/en-en\/pages\/pre-montaje-avanzado\" title=\"Advanced pre-assembly of plant rooms\"\u003epre-assembled plant room\u003c\/a\u003e or on-site by an Expert Technician\u003c\/td\u003e\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eWhat is the Viessmann Vitodens 200-W B2HA?\u003c\/h3\u003e\n\u003cp\u003eThe Viessmann Vitodens 200-W B2HA is the high-output version of the Vitodens 200-W: a wall-hung gas condensing boiler for heating, from 49 to 99 kW, installed on its own or in a cascade of up to six boilers. Viessmann supplies it set up for natural gas; conversion to LPG is done on the gas valve, with no conversion kit.\u003c\/p\u003e\n\u003ch3\u003eViessmann technology in the Vitodens 200-W B2HA\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eInox-Radial: high-alloy stainless steel heat exchanger, resistant to corrosion.\u003c\/li\u003e\n\u003cli\u003eModulating MatriX cylinder burner: very low emissions and quiet operation, according to Viessmann.\u003c\/li\u003e\n\u003cli\u003eLambda Pro Control: combustion management for all gas types, with 3-year inspection intervals.\u003c\/li\u003e\n\u003cli\u003eVariable-speed fan: quiet operation and low power consumption.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhat problem does it solve?\u003c\/h3\u003e\n\u003cp\u003eA building with a boiler room of \u003cstrong\u003e50 to 600 kW\u003c\/strong\u003e needs output, but also space and back-up. A large floor-standing boiler takes up room and, if it breaks down, leaves the building without heating.\u003c\/p\u003e\n\u003cp\u003eThe Vitodens 200-W B2HA hangs on the wall and \u003cstrong\u003ecan be combined in a cascade of 2 to 6 boilers up to 594 kW\u003c\/strong\u003e: the output is shared between several boilers and, if one stops for servicing, the others can keep providing heat.\u003c\/p\u003e\n\u003ch3\u003eTechnical data\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\u003cth\u003eGas category\u003c\/th\u003e\u003ctd\u003eII2N3P, natural gas and LPG; installation types B23, B33 and C13x to C93x\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eGas supply pressure\u003c\/th\u003e\u003ctd\u003e20 mbar with natural gas and 50 mbar with LPG\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eMaximum flow temperature\u003c\/th\u003e\u003ctd\u003e76 °C\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003ePermissible operating pressure\u003c\/th\u003e\u003ctd\u003e4 bar\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eHeat exchanger volume\u003c\/th\u003e\u003ctd\u003e7.0 l on 49 and 60 kW; 12.8 l on 80 and 99 kW\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eFlow and return\u003c\/th\u003e\u003ctd\u003eG 1½; expansion vessel G 1\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eGas connection\u003c\/th\u003e\u003ctd\u003eR ¾ on 49 and 60 kW; R 1 on 80 and 99 kW\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eFlue outlet and air inlet\u003c\/th\u003e\u003ctd\u003eØ 80\/125 mm on 49 and 60 kW; Ø 110\/150 mm on 69, 80 and 99 kW\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eCondensate drain\u003c\/th\u003e\u003ctd\u003eØ 20 to 24 mm hose connector\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eAvailable fan draught\u003c\/th\u003e\u003ctd\u003e250 Pa\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eProtection rating\u003c\/th\u003e\u003ctd\u003eIP X4 to EN 60529\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003ePower supply\u003c\/th\u003e\u003ctd\u003e230 V, 50 Hz, fixed connection with a 16 A fuse maximum\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eApproval\u003c\/th\u003e\u003ctd\u003eCE-0085CN0050\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eSupplied\u003c\/th\u003e\u003ctd\u003eBoiler with pipework and wiring ready to connect, wall bracket and white casing; Vitotronic control packed separately\u003c\/td\u003e\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eModels and data by variant\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\u003cth\u003eOutput\u003c\/th\u003e\u003cth\u003eUseful output 50 °C and 30 °C\u003c\/th\u003e\u003cth\u003eUseful output 80 °C and 60 °C\u003c\/th\u003e\u003cth\u003eRated heat input\u003c\/th\u003e\u003cth\u003eSeasonal efficiency and class\u003c\/th\u003e\u003cth\u003eNoise level at rated load\u003c\/th\u003e\u003cth\u003ePower consumption\u003c\/th\u003e\u003cth\u003eDimensions (length × width × height)\u003c\/th\u003e\u003cth\u003eWeight\u003c\/th\u003e\u003cth\u003eReference with Vitotronic 100 HC1B\u003c\/th\u003e\u003cth\u003eReference with Vitotronic 200 HO1B\u003c\/th\u003e\u003cth\u003eEAN\u003c\/th\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003e49 kW\u003c\/th\u003e\u003ctd\u003e12.0 to 49.0 kW\u003c\/td\u003e\u003ctd\u003e10.9 to 45.0 kW\u003c\/td\u003e\u003ctd\u003e11.2 to 45.7 kW\u003c\/td\u003e\u003ctd\u003e94%, class A\u003c\/td\u003e\u003ctd\u003e58 dB(A)\u003c\/td\u003e\u003ctd\u003e62 W\u003c\/td\u003e\u003ctd\u003e380 × 480 × 850 mm\u003c\/td\u003e\u003ctd\u003e65 kg\u003c\/td\u003e\u003ctd\u003eB2HAI35\u003c\/td\u003e\u003ctd\u003eB2HAI41\u003c\/td\u003e\u003ctd\u003e4054891970948 (HC1B) and 4054891971006 (HO1B)\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003e60 kW\u003c\/th\u003e\u003ctd\u003e12.0 to 60.0 kW\u003c\/td\u003e\u003ctd\u003e10.9 to 55.2 kW\u003c\/td\u003e\u003ctd\u003e11.2 to 56.2 kW\u003c\/td\u003e\u003ctd\u003e94%, class A\u003c\/td\u003e\u003ctd\u003e67 dB(A)\u003c\/td\u003e\u003ctd\u003e115 W\u003c\/td\u003e\u003ctd\u003e380 × 480 × 850 mm\u003c\/td\u003e\u003ctd\u003e65 kg\u003c\/td\u003e\u003ctd\u003eB2HAI36\u003c\/td\u003e\u003ctd\u003eB2HAI42\u003c\/td\u003e\u003ctd\u003eNot published\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003e69 kW\u003c\/th\u003e\u003ctd\u003eUp to 69.0 kW\u003c\/td\u003e\u003ctd\u003eNot published\u003c\/td\u003e\u003ctd\u003eNot published\u003c\/td\u003e\u003ctd\u003eClass A, according to the price list\u003c\/td\u003e\u003ctd\u003eNot published\u003c\/td\u003e\u003ctd\u003eNot published\u003c\/td\u003e\u003ctd\u003e530 × 480 × 850 mm\u003c\/td\u003e\u003ctd\u003e83 kg\u003c\/td\u003e\u003ctd\u003eB2HAJ89\u003c\/td\u003e\u003ctd\u003eB2HAJ90\u003c\/td\u003e\u003ctd\u003eNot published\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003e80 kW\u003c\/th\u003e\u003ctd\u003e20.0 to 80.0 kW\u003c\/td\u003e\u003ctd\u003e18.2 to 74.1 kW\u003c\/td\u003e\u003ctd\u003e18.8 to 75.0 kW\u003c\/td\u003e\u003ctd\u003e94%, no energy label (over 70 kW)\u003c\/td\u003e\u003ctd\u003e56 dB(A)\u003c\/td\u003e\u003ctd\u003e126 W\u003c\/td\u003e\u003ctd\u003e530 × 480 × 850 mm\u003c\/td\u003e\u003ctd\u003e83 kg\u003c\/td\u003e\u003ctd\u003eB2HAI37\u003c\/td\u003e\u003ctd\u003eB2HAI43\u003c\/td\u003e\u003ctd\u003eNot published\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003e99 kW\u003c\/th\u003e\u003ctd\u003e20.0 to 99.0 kW\u003c\/td\u003e\u003ctd\u003e18.2 to 90.9 kW\u003c\/td\u003e\u003ctd\u003e18.8 to 92.9 kW\u003c\/td\u003e\u003ctd\u003e92%, no energy label (over 70 kW)\u003c\/td\u003e\u003ctd\u003e59 dB(A)\u003c\/td\u003e\u003ctd\u003e216 W\u003c\/td\u003e\u003ctd\u003e530 × 480 × 850 mm\u003c\/td\u003e\u003ctd\u003e83 kg\u003c\/td\u003e\u003ctd\u003eB2HAI38\u003c\/td\u003e\u003ctd\u003eB2HAI44\u003c\/td\u003e\u003ctd\u003eNot published\u003c\/td\u003e\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eOutputs with natural gas; with LPG the minimum output is higher (17.0 kW on 49 and 60 kW; 30.0 kW on 80 and 99 kW). Sources: Viessmann planning instructions 5828432 ES 4\/2025 and Viessmann September 2026 price list; Viessmann does not publish in them the full data table for the 69 kW model.\u003c\/p\u003e\n\u003ch3\u003eCompatibility and limits\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eIt runs on natural gas and LPG. Conversion to LPG is done on the gas valve, with no conversion kit.\u003c\/li\u003e\n\u003cli\u003eViessmann requires the heating circuit connection set to be ordered with the boiler (with high-efficiency pump and low loss header: ZK03663 on 49 and 60 kW and ZK03831 on 80 and 99 kW); DHW needs the cylinder connection set.\u003c\/li\u003e\n\u003cli\u003eFrom 50 kW, the Spanish RITE regulation requires a separate boiler room, with the main switch outside it.\u003c\/li\u003e\n\u003cli\u003eCascade of 2 to 6 boilers with the Vitotronic 300-K, cascade modules, low loss header or adaptor and Viessmann flue cascade.\u003c\/li\u003e\n\u003cli\u003eControl via the ViCare app and remote servicing with Vitoconnect: Viessmann lists them for units up to 60 kW; Q-Tech confirms higher outputs with Viessmann before ordering.\u003c\/li\u003e\n\u003cli\u003eGas and heating installation and certification require a licensed installation company.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhen this product is not the right choice\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\u003cth\u003eProduct\u003c\/th\u003e\u003cth\u003eWhen to choose it\u003c\/th\u003e\u003cth\u003eUseful output\u003c\/th\u003e\u003cth\u003eHot water\u003c\/th\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003e\u003ca href=\"\/en-en\/products\/caldera-de-condensacion-viessmann-vitodens-200-w-intercambiador-inoxidable-y-lambda-pro\" title=\"Viessmann Vitodens 200-W condensing boiler\"\u003eViessmann Vitodens 200-W\u003c\/a\u003e\u003c\/th\u003e\u003ctd\u003eHome or premises needing less than 49 kW\u003c\/td\u003e\u003ctd\u003eUp to 35 kW\u003c\/td\u003e\u003ctd\u003eHeating-only or combi version\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eCascade of Vitodens 200-W B2HA\u003c\/th\u003e\u003ctd\u003eBuilding needing more than 99 kW\u003c\/td\u003e\u003ctd\u003eUp to 594 kW with 6 boilers\u003c\/td\u003e\u003ctd\u003eWith a separate cylinder\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eHeat pump\u003c\/th\u003e\u003ctd\u003eBuilding that wants to move away from gas\u003c\/td\u003e\u003ctd\u003eAccording to the heat load calculation\u003c\/td\u003e\u003ctd\u003eDepends on the unit\u003c\/td\u003e\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eFrequently asked questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhat output do I need?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eIt depends on the heat load of the building. Send us the output of your current boiler, the circuits and the type of emitters on \u003ca href=\"https:\/\/wa.me\/qtechhouses\" target=\"_blank\" rel=\"noopener\"\u003eWhatsApp\u003c\/a\u003e and we will recommend the output or the cascade.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhich control should I choose?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003eVitotronic 200 HO1B\u003c\/strong\u003e controls the boiler according to the outside temperature. The \u003cstrong\u003eVitotronic 100 HC1B\u003c\/strong\u003e keeps it at a constant temperature; Viessmann uses it in cascade systems with the Vitotronic 300-K and with external controls.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes it work with hydrogen?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eViessmann states it is ready for gas with \u003cstrong\u003eup to 20% hydrogen\u003c\/strong\u003e. Today it runs on natural gas or LPG.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat do I need to order besides the boiler?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe heating circuit connection set required by Viessmann and, for DHW, the cylinder connection set. In a cascade, also the cascade modules, the Vitotronic 300-K and the flue cascade.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the lead time?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eIt is in stock at our warehouse. Because of its weight, transport is quoted separately.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I install it myself?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo. It needs a licensed installation company and commissioning by the Viessmann technical service; Q-Tech integrates it and carries out the pre-commissioning check.\u003c\/p\u003e\n\u003ch3\u003eQ-Tech installation and support\u003c\/h3\u003e\n\u003cp\u003eThe Vitodens 200-W B2HA can arrive on site inside a \u003cstrong\u003epre-assembled plant room\u003c\/strong\u003e: Q-Tech assembles it in our workshop, on its own or in a cascade, with the rest of the plant room, configures it and runs safety, operating and pressure tests. The plant room \u003cstrong\u003earrives tested and ready to connect\u003c\/strong\u003e; the final connection is made by the site installer or by Q-Tech with the \u003ca href=\"\/en-en\/products\/tecnico-experto-instalacion\" title=\"On-site Expert Technician by the day\"\u003eon-site Expert Technician by the day\u003c\/a\u003e. See the process in \u003ca href=\"\/en-en\/pages\/pre-montaje-avanzado\" title=\"Advanced pre-assembly of plant rooms\"\u003ePre-Montaje Avanzado\u003c\/a\u003e and in the \u003ca href=\"\/en-en\/products\/tecnico-experto-pre-montaje-nave\" title=\"Expert Technician workshop pre-assembly\"\u003eExpert Technician workshop pre-assembly\u003c\/a\u003e service.\u003c\/p\u003e\n\u003cp\u003eIf another company installs the boiler, or it replaces a boiler in an existing room, Q-Tech first carries out a verification visit with the \u003ca href=\"\/en-en\/products\/tecnico-experto-in-situ-horas\" title=\"On-site hourly Expert Technician\"\u003eon-site hourly Expert Technician\u003c\/a\u003e. The pre-commissioning check leaves everything ready for the official commissioning by the Viessmann technical service.\u003c\/p\u003e\n\u003cp\u003eTo choose the output or the cascade, book a \u003ca href=\"\/en-en\/products\/expert-technician-remote-technical-call\" title=\"Expert Technician technical call\"\u003etechnical call\u003c\/a\u003e. Components in \u003ca href=\"\/en-en\/collections\/gas-h2-ready-prepared-for-hydrogen-boilers\" title=\"Viessmann Gas H2 Ready and components\"\u003eViessmann Gas H2 Ready and components\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch3\u003eDocumentation\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.viessmann.es\/es\/productos\/calderas-a-gas\/vitodens-200-w-up-to-150-kw.html\" target=\"_blank\" rel=\"noopener\" title=\"Vitodens 200-W up to 150 kW at viessmann.es\"\u003eOfficial Vitodens 200-W up to 150 kW page at Viessmann Spain\u003c\/a\u003e, with catalogue and technical data (in Spanish).\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.viessmann.es\/content\/dam\/public-brands\/es\/products\/calderas\/datos-tecnicos\/5773195VDP00011_1.pdf\/_jcr_content\/renditions\/original.media_file.download_attachment.file\/5773195VDP00011_1.pdf\" target=\"_blank\" rel=\"noopener\" title=\"Vitodens 200-W technical data sheet\"\u003eViessmann technical data sheet for the Vitodens 200-W\u003c\/a\u003e (PDF, in Spanish).\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/vibooks.viessmann-climatesolutions.com\/es\/es\" target=\"_blank\" rel=\"noopener\" title=\"Viessmann Vibooks\"\u003eViessmann Vibooks\u003c\/a\u003e, with planning, installation and service instructions by reference (in Spanish).\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv class=\"qt-calc\" style=\"display:flex;flex-wrap:wrap;align-items:center;gap:16px;margin:1.6em 0;\"\u003e\u003cdiv style=\"flex:1 1 280px;padding:16px 18px;border:1px solid rgba(27,34,48,0.14);border-radius:12px;background:rgba(27,34,48,0.03);\"\u003e\u003cp style=\"margin:0 0 8px;\"\u003e\u003cstrong\u003eQ-Tech VDI 2035 calculator\u003c\/strong\u003e\u003c\/p\u003e\u003cp style=\"margin:0 0 8px;\"\u003eCheck whether the water in your heating system meets the VDI 2035 guideline (Part 1, 2021). Enter the output, the system volume in litres and the hardness and conductivity of your mains water: the calculator gives you the verdict and the three key figures for filling or topping up the circuit. If you need it, we will send you the full report.\u003c\/p\u003e\u003cp style=\"margin:0;font-size:0.85em;opacity:0.75;\"\u003eGuidance only: check the manufacturer's requirements.\u003c\/p\u003e\u003c\/div\u003e\u003ca href=\"\/en-en\/pages\/calculadora-vdi-2035\" title=\"Open the VDI 2035 calculator\" style=\"flex:1 1 280px;display:block;border-radius:12px;overflow:hidden;box-shadow:0 4px 14px rgba(27,34,48,0.12);\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0015\/4592\/8792\/files\/vdi2035-calculadora-banner-qtech-en.webp?v=1794073125\" alt=\"VDI 2035 calculator: check whether your system water meets the guideline. Open the calculator\" width=\"2400\" height=\"1200\" loading=\"lazy\" style=\"display:block;width:100%;height:auto;\"\u003e\u003c\/a\u003e\u003c\/div\u003e\n\u003cp class=\"qt-nota-stock\"\u003e\u003cstrong\u003eAvailability and lead times:\u003c\/strong\u003e this item is in stock at our warehouse. Occasionally, depending on the time of year, the stock update may contain an error. If no units are available when you place your order, we will order it urgently and inform you immediately of the updated delivery time. Because of its weight, transport is quoted separately.\u003c\/p\u003e\n","brand":"Viessmann","offers":[{"title":"49 kW \/ Vitotronic 100 HC1B, constant temperature","offer_id":59069583458648,"sku":"VI-B2HAI35","price":4033.32,"currency_code":"EUR","in_stock":true},{"title":"60 kW \/ Vitotronic 100 HC1B, constant temperature","offer_id":59069583491416,"sku":"VI-B2HAI36","price":4558.29,"currency_code":"EUR","in_stock":true},{"title":"69 kW \/ Vitotronic 100 HC1B, constant temperature","offer_id":59069583524184,"sku":"VI-B2HAJ89","price":5205.05,"currency_code":"EUR","in_stock":true},{"title":"80 kW \/ Vitotronic 100 HC1B, constant temperature","offer_id":59069583556952,"sku":"VI-B2HAI37","price":5323.27,"currency_code":"EUR","in_stock":true},{"title":"99 kW \/ Vitotronic 100 HC1B, constant temperature","offer_id":59069583589720,"sku":"VI-B2HAI38","price":6964.23,"currency_code":"EUR","in_stock":true},{"title":"49 kW \/ Vitotronic 200 HO1B, weather-compensated","offer_id":59069583622488,"sku":"VI-B2HAI41","price":4448.57,"currency_code":"EUR","in_stock":true},{"title":"60 kW \/ Vitotronic 200 HO1B, weather-compensated","offer_id":59069583655256,"sku":"VI-B2HAI42","price":4973.55,"currency_code":"EUR","in_stock":true},{"title":"69 kW \/ Vitotronic 200 HO1B, weather-compensated","offer_id":59069583688024,"sku":"VI-B2HAJ90","price":5585.05,"currency_code":"EUR","in_stock":true},{"title":"80 kW \/ Vitotronic 200 HO1B, weather-compensated","offer_id":59069583720792,"sku":"VI-B2HAI43","price":5899.42,"currency_code":"EUR","in_stock":true},{"title":"99 kW \/ Vitotronic 200 HO1B, weather-compensated","offer_id":59069583753560,"sku":"VI-B2HAI44","price":7291.28,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0015\/4592\/8792\/files\/viessmann-vitodens-200-w-b2ha-caldera-frontal.webp?v=1794152267"},{"product_id":"domusa-salida-gases-coaxial-60-100-avanttia-ng","title":"Domusa Ø60\/100 coaxial flue system for Avanttia NG: kits, pipes and elbows","description":"\u003ch2\u003eØ60\/100 coaxial flue to vent the Avanttia NG boiler through a wall or the roof\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eDomusa Ø60\/100 coaxial flue\u003c\/strong\u003e brings together the kits, pipes and elbows that Domusa Teknik specifies for the \u003cstrong\u003eAvanttia NG condensing boiler\u003c\/strong\u003e. Flue gases leave through the 60 mm inner pipe and combustion air enters through the 100 mm outer pipe.\u003c\/p\u003e\n\u003ch3\u003eSummary\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eType\u003c\/th\u003e\n\u003ctd\u003eCoaxial flue for gas condensing boiler\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBrand and range\u003c\/th\u003e\n\u003ctd\u003eDomusa Teknik, polypropylene flue accessories\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDiameter\u003c\/th\u003e\n\u003ctd\u003eØ60\/100 mm: flue gases through 60 mm, air through 100 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMaximum length\u003c\/th\u003e\n\u003ctd\u003e10 m horizontal (type C13) and 11 m vertical (type C33), according to Domusa\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCompatible with\u003c\/th\u003e\n\u003ctd\u003eDomusa Avanttia NG boilers; the Domusa price list also lists it for the Fusion Hybrid Gas Condens\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eAdapter\u003c\/th\u003e\n\u003ctd\u003eThe Avanttia NG leaves the factory set up for Ø80 twin pipes: a Ø60\/100 coaxial flue needs adapter CGAS000399\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eQ-Tech installation\u003c\/th\u003e\n\u003ctd\u003ePrepared from the \u003ca href=\"\/en-en\/pages\/pre-montaje-avanzado\" title=\"Advanced pre-assembly of plant rooms\"\u003epre-assembled plant room\u003c\/a\u003e; the outdoor section, on-site by an Expert Technician\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eWhat is the Domusa Ø60\/100 coaxial flue?\u003c\/h3\u003e\n\u003cp\u003eThe Domusa Teknik Ø60\/100 coaxial flue is a polypropylene flue system that \u003cstrong\u003eexhausts flue gases and draws in air\u003c\/strong\u003e for the Avanttia NG boiler through a single duct. It is installed horizontally through an outside wall or vertically through the roof.\u003c\/p\u003e\n\u003ch3\u003eModels and data per variant\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eComponent\u003c\/th\u003e\n\u003cth\u003eDomusa reference\u003c\/th\u003e\n\u003cth\u003eEAN\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHorizontal outlet kit 1 m\u003c\/th\u003e\n\u003ctd\u003eCGAS000375\u003c\/td\u003e\n\u003ctd\u003e8435134825953\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eVertical outlet kit\u003c\/th\u003e\n\u003ctd\u003eCGAS000380\u003c\/td\u003e\n\u003ctd\u003e8435134825960\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHorizontal terminal 1 m\u003c\/th\u003e\n\u003ctd\u003eCGAS000314\u003c\/td\u003e\n\u003ctd\u003e8435134825977\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e90° elbow\u003c\/th\u003e\n\u003ctd\u003eCGAS000316\u003c\/td\u003e\n\u003ctd\u003e8435134825991\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e45° elbow\u003c\/th\u003e\n\u003ctd\u003eCGAS000317\u003c\/td\u003e\n\u003ctd\u003e8435134826004\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePipe 1 m\u003c\/th\u003e\n\u003ctd\u003eCGAS000318\u003c\/td\u003e\n\u003ctd\u003e8435134826011\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePipe 0.5 m\u003c\/th\u003e\n\u003ctd\u003eCGAS000319\u003c\/td\u003e\n\u003ctd\u003e8435134826028\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eAdapter 80\/80 to 60\/100\u003c\/th\u003e\n\u003ctd\u003eCGAS000399\u003c\/td\u003e\n\u003ctd\u003e8435134851235\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eCompatibility and limits\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eFor Domusa Avanttia NG boilers, according to the installation manual and the Domusa Teknik 2026 price list.\u003c\/li\u003e\n\u003cli\u003eThe Avanttia NG comes set up for Ø80 twin pipes. A Ø60\/100 coaxial flue \u003cstrong\u003eneeds adapter CGAS000399\u003c\/strong\u003e, which Domusa supplies to order.\u003c\/li\u003e\n\u003cli\u003eMaximum length: 10 m horizontal and 11 m vertical. Each 90° elbow counts as 1.3 m and each 45° elbow as 1.0 m.\u003c\/li\u003e\n\u003cli\u003eDomusa specifies a 2° to 3° upward slope on the horizontal section so that no water or condensate is expelled outside.\u003c\/li\u003e\n\u003cli\u003eDomusa requires its own accessories for the flue. On the roof, the \u003ca href=\"\/en-en\/products\/domusa-roof-flashing-vertical-flue-avanttia-ng\" title=\"Domusa roof flashing for vertical flue\"\u003eflat or pitched roof flashing\u003c\/a\u003e is sold separately.\u003c\/li\u003e\n\u003cli\u003eGas and flue installation is carried out by a licensed installation company.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently asked questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhich components do I need?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eFor a standard outlet, the horizontal or vertical kit plus adapter CGAS000399. For longer runs, add pipes and elbows without exceeding the maximum length; if in doubt, send us the route on \u003ca href=\"https:\/\/wa.me\/qtechhouses\" target=\"_blank\" rel=\"noopener\"\u003eWhatsApp\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eShould I choose Ø60\/100 or Ø80\/125 coaxial?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eIt depends on the run. Ø60\/100 reaches 10 m horizontally and Ø80\/125 reaches 20 m, according to Domusa; for long runs, see the \u003ca href=\"\/en-en\/products\/domusa-coaxial-flue-80-125-avanttia-ng\" title=\"Domusa Ø80\/125 coaxial flue\"\u003eØ80\/125 coaxial flue\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes it come with the boiler?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo. Domusa sells it separately, as an accessory for the \u003ca href=\"\/en-en\/products\/domusa-avanttia-ng-floor-standing-gas-condensing-boiler\" title=\"Domusa Avanttia NG boiler\"\u003eAvanttia NG boiler\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the lead time?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eIt is \u003cstrong\u003ein stock at our warehouse\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch3\u003eDocumentation\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.domusateknik.com\/en\/avanttia-ng\" target=\"_blank\" rel=\"noopener\" title=\"Avanttia NG at domusateknik.com\"\u003eOfficial Avanttia NG page at Domusa Teknik\u003c\/a\u003e, with the installation manual (chapter 5, flue gas exhaust; mostly in Spanish).\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"qt-nota-stock\"\u003e\u003cstrong\u003eAvailability and lead times:\u003c\/strong\u003e this item is in stock at our warehouse. Occasionally, depending on the time of year, the stock update may contain an error. If no units are available when you place your order, we will order it urgently and inform you immediately of the updated delivery time.\u003c\/p\u003e","brand":"Domusa Teknik","offers":[{"title":"Horizontal outlet kit 1 m","offer_id":59069997744472,"sku":"DO-CGAS000375","price":76.69,"currency_code":"EUR","in_stock":true},{"title":"Vertical outlet kit","offer_id":59069997777240,"sku":"DO-CGAS000380","price":148.46,"currency_code":"EUR","in_stock":true},{"title":"Horizontal terminal 1 m","offer_id":59069997810008,"sku":"DO-CGAS000314","price":68.9,"currency_code":"EUR","in_stock":true},{"title":"90° elbow","offer_id":59069997842776,"sku":"DO-CGAS000316","price":41.53,"currency_code":"EUR","in_stock":true},{"title":"45° elbow","offer_id":59069997875544,"sku":"DO-CGAS000317","price":45.3,"currency_code":"EUR","in_stock":true},{"title":"Pipe 1 m","offer_id":59069997908312,"sku":"DO-CGAS000318","price":62.29,"currency_code":"EUR","in_stock":true},{"title":"Pipe 0.5 m","offer_id":59069997941080,"sku":"DO-CGAS000319","price":43.41,"currency_code":"EUR","in_stock":true},{"title":"Adapter 80\/80 to 60\/100","offer_id":59069997973848,"sku":"DO-CGAS000399","price":66.86,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0015\/4592\/8792\/files\/domusa-salida-gases-coaxial-60-100-kit-horizontal-cgas000375.webp?v=1794138403"},{"product_id":"domusa-salida-gases-coaxial-80-125-avanttia-ng","title":"Domusa Ø80\/125 coaxial flue system for Avanttia NG: kits, pipes and elbows","description":"\u003ch2\u003eØ80\/125 coaxial flue for long runs from the Avanttia NG boiler\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eDomusa Ø80\/125 coaxial flue\u003c\/strong\u003e brings together the kits, pipes and elbows that Domusa Teknik specifies for the \u003cstrong\u003eAvanttia NG condensing boiler\u003c\/strong\u003e when the run is long. Flue gases leave through the 80 mm inner pipe and combustion air enters through the 125 mm outer pipe.\u003c\/p\u003e\n\u003ch3\u003eSummary\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eType\u003c\/th\u003e\n\u003ctd\u003eCoaxial flue for gas condensing boiler\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBrand and range\u003c\/th\u003e\n\u003ctd\u003eDomusa Teknik, polypropylene flue accessories\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDiameter\u003c\/th\u003e\n\u003ctd\u003eØ80\/125 mm: flue gases through 80 mm, air through 125 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMaximum length\u003c\/th\u003e\n\u003ctd\u003e20 m horizontal (type C13) and 22 m vertical (type C33), according to Domusa\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCompatible with\u003c\/th\u003e\n\u003ctd\u003eDomusa Avanttia NG boilers; the Domusa price list also lists it for the Fusion Hybrid Gas Condens\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eAdapter\u003c\/th\u003e\n\u003ctd\u003eThe Avanttia NG leaves the factory set up for Ø80 twin pipes: a Ø80\/125 coaxial flue needs adapter CGAS000221\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eQ-Tech installation\u003c\/th\u003e\n\u003ctd\u003ePrepared from the \u003ca href=\"\/en-en\/pages\/pre-montaje-avanzado\" title=\"Advanced pre-assembly of plant rooms\"\u003epre-assembled plant room\u003c\/a\u003e; the outdoor section, on-site by an Expert Technician\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eWhat is the Domusa Ø80\/125 coaxial flue?\u003c\/h3\u003e\n\u003cp\u003eThe Domusa Teknik Ø80\/125 coaxial flue is a polypropylene flue system that \u003cstrong\u003eexhausts flue gases and draws in air\u003c\/strong\u003e for the Avanttia NG boiler through a single, larger duct. It allows twice the length of the Ø60\/100 version.\u003c\/p\u003e\n\u003ch3\u003eModels and data per variant\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eComponent\u003c\/th\u003e\n\u003cth\u003eDomusa reference\u003c\/th\u003e\n\u003cth\u003eEAN\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHorizontal outlet kit 1 m\u003c\/th\u003e\n\u003ctd\u003eCGAS000322\u003c\/td\u003e\n\u003ctd\u003e8435134826035\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eVertical outlet kit\u003c\/th\u003e\n\u003ctd\u003eCGAS000315\u003c\/td\u003e\n\u003ctd\u003e8435134825984\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHorizontal terminal 1 m\u003c\/th\u003e\n\u003ctd\u003eCGAS000188\u003c\/td\u003e\n\u003ctd\u003e8435134811192\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e90° elbow\u003c\/th\u003e\n\u003ctd\u003eCGAS000080\u003c\/td\u003e\n\u003ctd\u003e8435134810935\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e45° elbow\u003c\/th\u003e\n\u003ctd\u003eCGAS000081\u003c\/td\u003e\n\u003ctd\u003e8435134810942\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePipe 1 m\u003c\/th\u003e\n\u003ctd\u003eCGAS000082\u003c\/td\u003e\n\u003ctd\u003e8435134810959\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePipe 0.5 m\u003c\/th\u003e\n\u003ctd\u003eCGAS000119\u003c\/td\u003e\n\u003ctd\u003e8435134811017\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTwin-pipe to coaxial adapter\u003c\/th\u003e\n\u003ctd\u003eCGAS000221\u003c\/td\u003e\n\u003ctd\u003e8435134815596\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eCompatibility and limits\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eFor Domusa Avanttia NG boilers, according to the installation manual and the Domusa Teknik 2026 price list.\u003c\/li\u003e\n\u003cli\u003eThe Avanttia NG comes set up for Ø80 twin pipes. A Ø80\/125 coaxial flue \u003cstrong\u003eneeds adapter CGAS000221\u003c\/strong\u003e, which Domusa supplies to order.\u003c\/li\u003e\n\u003cli\u003eMaximum length: 20 m horizontal and 22 m vertical. Each 90° elbow counts as 1.3 m and each 45° elbow as 1.0 m.\u003c\/li\u003e\n\u003cli\u003eDomusa specifies a 2° to 3° upward slope on the horizontal section so that no water or condensate is expelled outside.\u003c\/li\u003e\n\u003cli\u003eDomusa requires its own accessories for the flue. On the roof, the \u003ca href=\"\/en-en\/products\/domusa-roof-flashing-vertical-flue-avanttia-ng\" title=\"Domusa roof flashing for vertical flue\"\u003eflat or pitched roof flashing\u003c\/a\u003e is sold separately.\u003c\/li\u003e\n\u003cli\u003eGas and flue installation is carried out by a licensed installation company.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently asked questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhich components do I need?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eFor a standard outlet, the horizontal or vertical kit plus adapter CGAS000221. For longer runs, add pipes and elbows without exceeding the maximum length; if in doubt, send us the route on \u003ca href=\"https:\/\/wa.me\/qtechhouses\" target=\"_blank\" rel=\"noopener\"\u003eWhatsApp\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eShould I choose Ø80\/125 or Ø60\/100 coaxial?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eIf the run exceeds 10 m horizontally or 11 m vertically, Ø80\/125. For short runs the \u003ca href=\"\/en-en\/products\/domusa-coaxial-flue-60-100-avanttia-ng\" title=\"Domusa Ø60\/100 coaxial flue\"\u003eØ60\/100 coaxial flue\u003c\/a\u003e is enough.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes it come with the boiler?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo. Domusa sells it separately, as an accessory for the \u003ca href=\"\/en-en\/products\/domusa-avanttia-ng-floor-standing-gas-condensing-boiler\" title=\"Domusa Avanttia NG boiler\"\u003eAvanttia NG boiler\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the lead time?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eIt is \u003cstrong\u003ein stock at our warehouse\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch3\u003eDocumentation\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.domusateknik.com\/en\/avanttia-ng\" target=\"_blank\" rel=\"noopener\" title=\"Avanttia NG at domusateknik.com\"\u003eOfficial Avanttia NG page at Domusa Teknik\u003c\/a\u003e, with the installation manual (chapter 5, flue gas exhaust; mostly in Spanish).\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"qt-nota-stock\"\u003e\u003cstrong\u003eAvailability and lead times:\u003c\/strong\u003e this item is in stock at our warehouse. Occasionally, depending on the time of year, the stock update may contain an error. If no units are available when you place your order, we will order it urgently and inform you immediately of the updated delivery time.\u003c\/p\u003e","brand":"Domusa Teknik","offers":[{"title":"Horizontal outlet kit 1 m","offer_id":59070002102616,"sku":"DO-CGAS000322","price":177.95,"currency_code":"EUR","in_stock":true},{"title":"Vertical outlet kit","offer_id":59070002135384,"sku":"DO-CGAS000315","price":180.27,"currency_code":"EUR","in_stock":true},{"title":"Horizontal terminal 1 m","offer_id":59070002168152,"sku":"DO-CGAS000188","price":78.34,"currency_code":"EUR","in_stock":true},{"title":"90° elbow","offer_id":59070002200920,"sku":"DO-CGAS000080","price":73.62,"currency_code":"EUR","in_stock":true},{"title":"45° elbow","offer_id":59070002233688,"sku":"DO-CGAS000081","price":62.29,"currency_code":"EUR","in_stock":true},{"title":"Pipe 1 m","offer_id":59070002266456,"sku":"DO-CGAS000082","price":78.34,"currency_code":"EUR","in_stock":true},{"title":"Pipe 0.5 m","offer_id":59070002299224,"sku":"DO-CGAS000119","price":57.57,"currency_code":"EUR","in_stock":true},{"title":"Twin-pipe to coaxial adapter","offer_id":59070002331992,"sku":"DO-CGAS000221","price":117.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0015\/4592\/8792\/files\/domusa-salida-gases-coaxial-80-125-kit-horizontal-cgas000322.webp?v=1794138602"},{"product_id":"domusa-salida-gases-doble-flujo-80-80-avanttia-ng","title":"Domusa Ø80\/80 twin-pipe flue system for Avanttia NG: kit, pipes and elbows","description":"\u003ch2\u003eØ80\/80 twin-pipe flue, the factory connection of the Avanttia NG boiler\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eDomusa Ø80\/80 twin-pipe flue\u003c\/strong\u003e brings together the kit, pipes, elbows and terminals that Domusa Teknik specifies for the \u003cstrong\u003eAvanttia NG condensing boiler\u003c\/strong\u003e. One 80 mm pipe carries the flue gases out and another 80 mm pipe draws in combustion air.\u003c\/p\u003e\n\u003ch3\u003eSummary\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eType\u003c\/th\u003e\n\u003ctd\u003eTwin-pipe flue for gas condensing boiler\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBrand and range\u003c\/th\u003e\n\u003ctd\u003eDomusa Teknik, polypropylene flue accessories\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDiameter\u003c\/th\u003e\n\u003ctd\u003eØ80 mm flue and Ø80 mm air, in separate pipes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMaximum length\u003c\/th\u003e\n\u003ctd\u003e30 m across both pipes (types C53 and C83), according to Domusa\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCompatible with\u003c\/th\u003e\n\u003ctd\u003eDomusa Avanttia NG boilers; the Domusa price list also lists it for the Fusion Hybrid Gas Condens\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eAdapter\u003c\/th\u003e\n\u003ctd\u003eNot needed: the Avanttia NG leaves the factory set up for Ø80 twin pipes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eQ-Tech installation\u003c\/th\u003e\n\u003ctd\u003ePrepared from the \u003ca href=\"\/en-en\/pages\/pre-montaje-avanzado\" title=\"Advanced pre-assembly of plant rooms\"\u003epre-assembled plant room\u003c\/a\u003e; the outdoor section, on-site by an Expert Technician\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eWhat is the Domusa Ø80\/80 twin-pipe flue?\u003c\/h3\u003e\n\u003cp\u003eIt is a polypropylene flue system that \u003cstrong\u003eseparates the flue gas outlet from the air intake\u003c\/strong\u003e of the Avanttia NG boiler. It allows the longest runs in the range and lets you exhaust and draw air at different points of the building.\u003c\/p\u003e\n\u003ch3\u003eModels and data per variant\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eComponent\u003c\/th\u003e\n\u003cth\u003eDomusa reference\u003c\/th\u003e\n\u003cth\u003eEAN\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTwin-pipe outlet kit 1 m\u003c\/th\u003e\n\u003ctd\u003eCGAS000325\u003c\/td\u003e\n\u003ctd\u003e8435134826059\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e90° elbow\u003c\/th\u003e\n\u003ctd\u003eCGAS000084\u003c\/td\u003e\n\u003ctd\u003e8435134810973\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e45° elbow\u003c\/th\u003e\n\u003ctd\u003eCGAS000085\u003c\/td\u003e\n\u003ctd\u003e8435134810980\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePipe 1 m\u003c\/th\u003e\n\u003ctd\u003eCGAS000086\u003c\/td\u003e\n\u003ctd\u003e8435134810997\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eVertical outlet deflector\u003c\/th\u003e\n\u003ctd\u003eCGAS000150\u003c\/td\u003e\n\u003ctd\u003e8435134811123\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eAir intake grille\u003c\/th\u003e\n\u003ctd\u003eCGAS000381\u003c\/td\u003e\n\u003ctd\u003e8435134849027\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eCompatibility and limits\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eFor Domusa Avanttia NG boilers, according to the installation manual and the Domusa Teknik 2026 price list.\u003c\/li\u003e\n\u003cli\u003eIt is the factory connection of the Avanttia NG: \u003cstrong\u003eno adapter needed\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eMaximum length: 30 m adding both pipes. Each 90° elbow counts as 2.2 m and each 45° elbow as 1.4 m.\u003c\/li\u003e\n\u003cli\u003eFor a vertical outlet through the roof, Domusa specifies the stainless steel deflector CGAS000150 on the flue pipe.\u003c\/li\u003e\n\u003cli\u003eDomusa specifies a 2° to 3° slope on horizontal sections and requires its own accessories for the flue.\u003c\/li\u003e\n\u003cli\u003eGas and flue installation is carried out by a licensed installation company.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently asked questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhich components do I need?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe 1 m twin-pipe kit and, depending on the route, pipes and elbows up to 30 m equivalent. If in doubt, send us the route on \u003ca href=\"https:\/\/wa.me\/qtechhouses\" target=\"_blank\" rel=\"noopener\"\u003eWhatsApp\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eTwin-pipe or coaxial?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eTwin-pipe allows more length and needs no adapter; coaxial takes gases and air through a single hole. For coaxial, see the \u003ca href=\"\/en-en\/products\/domusa-coaxial-flue-60-100-avanttia-ng\" title=\"Domusa Ø60\/100 coaxial flue\"\u003eØ60\/100 coaxial flue\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes it come with the boiler?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo. Domusa sells it separately, as an accessory for the \u003ca href=\"\/en-en\/products\/domusa-avanttia-ng-floor-standing-gas-condensing-boiler\" title=\"Domusa Avanttia NG boiler\"\u003eAvanttia NG boiler\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the lead time?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eIt is \u003cstrong\u003ein stock at our warehouse\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch3\u003eDocumentation\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.domusateknik.com\/en\/avanttia-ng\" target=\"_blank\" rel=\"noopener\" title=\"Avanttia NG at domusateknik.com\"\u003eOfficial Avanttia NG page at Domusa Teknik\u003c\/a\u003e, with the installation manual (chapter 5, flue gas exhaust; mostly in Spanish).\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"qt-nota-stock\"\u003e\u003cstrong\u003eAvailability and lead times:\u003c\/strong\u003e this item is in stock at our warehouse. Occasionally, depending on the time of year, the stock update may contain an error. If no units are available when you place your order, we will order it urgently and inform you immediately of the updated delivery time.\u003c\/p\u003e","brand":"Domusa Teknik","offers":[{"title":"Twin-pipe outlet kit 1 m","offer_id":59070006296920,"sku":"DO-CGAS000325","price":130.76,"currency_code":"EUR","in_stock":true},{"title":"90° elbow","offer_id":59070006329688,"sku":"DO-CGAS000084","price":17.7,"currency_code":"EUR","in_stock":true},{"title":"45° elbow","offer_id":59070006362456,"sku":"DO-CGAS000085","price":13.77,"currency_code":"EUR","in_stock":true},{"title":"Pipe 1 m","offer_id":59070006395224,"sku":"DO-CGAS000086","price":20.65,"currency_code":"EUR","in_stock":true},{"title":"Vertical outlet deflector","offer_id":59070006427992,"sku":"DO-CGAS000150","price":44.25,"currency_code":"EUR","in_stock":true},{"title":"Air intake grille","offer_id":59070006460760,"sku":"DO-CGAS000381","price":13.77,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0015\/4592\/8792\/files\/domusa-salida-gases-doble-flujo-80-kit-cgas000325.webp?v=1794138663"},{"product_id":"domusa-teja-salida-gases-vertical-avanttia-ng","title":"Domusa roof flashing for the Avanttia NG vertical flue, flat or pitched roof","description":"\u003ch2\u003eRoof flashing to take the Avanttia NG vertical flue through the roof\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eDomusa roof flashing for vertical flues\u003c\/strong\u003e seals the point where the flue passes through the roof when the \u003cstrong\u003eAvanttia NG condensing boiler\u003c\/strong\u003e vents vertically with a coaxial flue. There is one version for flat roofs and another for pitched roofs.\u003c\/p\u003e\n\u003ch3\u003eSummary\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eType\u003c\/th\u003e\n\u003ctd\u003eRoof flashing for vertical flue outlet\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBrand and range\u003c\/th\u003e\n\u003ctd\u003eDomusa Teknik, flue accessories\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eRoof\u003c\/th\u003e\n\u003ctd\u003eFlat (CGAS000074) or pitched from 15° to 45° (CGAS000075)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFlue\u003c\/th\u003e\n\u003ctd\u003eDomusa Ø60\/100 and Ø80\/125 coaxial vertical outlet kits\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCompatible with\u003c\/th\u003e\n\u003ctd\u003eDomusa Avanttia NG boilers; the Domusa price list also lists it for the Fusion Hybrid Gas Condens\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eQ-Tech installation\u003c\/th\u003e\n\u003ctd\u003eFitted on site by an Expert Technician, together with the \u003ca href=\"\/en-en\/pages\/pre-montaje-avanzado\" title=\"Advanced pre-assembly of plant rooms\"\u003epre-assembled plant room\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eWhat is the Domusa flue roof flashing?\u003c\/h3\u003e\n\u003cp\u003eIt is the piece fitted on the roof around the vertical terminal. It \u003cstrong\u003ekeeps water out\u003c\/strong\u003e of the flue opening and leaves the terminal at the correct height above the roof.\u003c\/p\u003e\n\u003ch3\u003eModels and data per variant\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eRoof\u003c\/th\u003e\n\u003cth\u003eDomusa reference\u003c\/th\u003e\n\u003cth\u003eEAN\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFlat\u003c\/th\u003e\n\u003ctd\u003eCGAS000074\u003c\/td\u003e\n\u003ctd\u003e8435134810874\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePitched 15–45°\u003c\/th\u003e\n\u003ctd\u003eCGAS000075\u003c\/td\u003e\n\u003ctd\u003e8435134810881\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eCompatibility and limits\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eFor the vertical flue of Domusa Avanttia NG boilers, according to the installation manual and the Domusa Teknik 2026 price list.\u003c\/li\u003e\n\u003cli\u003eUsed with the vertical kit of the \u003ca href=\"\/en-en\/products\/domusa-coaxial-flue-60-100-avanttia-ng\" title=\"Domusa Ø60\/100 coaxial flue\"\u003eØ60\/100 coaxial flue\u003c\/a\u003e or the \u003ca href=\"\/en-en\/products\/domusa-coaxial-flue-80-125-avanttia-ng\" title=\"Domusa Ø80\/125 coaxial flue\"\u003eØ80\/125 coaxial flue\u003c\/a\u003e.\u003c\/li\u003e\n\u003cli\u003eThe pitched version suits slopes from 15° to 45°; outside that range, ask us before ordering.\u003c\/li\u003e\n\u003cli\u003eFlue installation and roof sealing are carried out by a licensed installation company.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently asked questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhich flashing do I need?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe flat one for flat roofs and roof terraces; the pitched one for roofs with a slope of 15° to 45°.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes it come with the vertical kit?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo. Domusa sells it separately from the vertical outlet kit.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the lead time?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eIt is \u003cstrong\u003ein stock at our warehouse\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch3\u003eDocumentation\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.domusateknik.com\/en\/avanttia-ng\" target=\"_blank\" rel=\"noopener\" title=\"Avanttia NG at domusateknik.com\"\u003eOfficial Avanttia NG page at Domusa Teknik\u003c\/a\u003e, with the installation manual (chapter 5, flue gas exhaust; mostly in Spanish).\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"qt-nota-stock\"\u003e\u003cstrong\u003eAvailability and lead times:\u003c\/strong\u003e this item is in stock at our warehouse. Occasionally, depending on the time of year, the stock update may contain an error. If no units are available when you place your order, we will order it urgently and inform you immediately of the updated delivery time.\u003c\/p\u003e","brand":"Domusa Teknik","offers":[{"title":"Flat","offer_id":59070008951128,"sku":"DO-CGAS000074","price":38.35,"currency_code":"EUR","in_stock":true},{"title":"Pitched 15–45°","offer_id":59070008983896,"sku":"DO-CGAS000075","price":58.99,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0015\/4592\/8792\/files\/domusa-teja-tejado-plano-cgas000074.webp?v=1794138699"},{"product_id":"domusa-termostato-confort-control","title":"Domusa CONFORT CONTROL weekly programmable wired thermostat","description":"\u003ch2\u003eWeekly programmable wired thermostat for the Avanttia NG boiler\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eDomusa CONFORT CONTROL\u003c\/strong\u003e is a \u003cstrong\u003edigital weekly programmable thermostat\u003c\/strong\u003e that is wired to the boiler. Domusa Teknik specifies it for its gas boilers, such as the Avanttia NG, and its oil boilers.\u003c\/p\u003e\n\u003ch3\u003eSummary\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eType\u003c\/th\u003e\n\u003ctd\u003eDigital weekly programmable thermostat, wired\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBrand and model\u003c\/th\u003e\n\u003ctd\u003eDomusa Teknik CONFORT CONTROL\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDomusa reference\u003c\/th\u003e\n\u003ctd\u003eCELC000282\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eProgramming\u003c\/th\u003e\n\u003ctd\u003eWeekly, on the thermostat itself\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCompatible with\u003c\/th\u003e\n\u003ctd\u003eDomusa Avanttia NG boilers and Domusa oil, gas, solar and biomass ranges, except those excluded in the price list\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eQ-Tech installation\u003c\/th\u003e\n\u003ctd\u003eConnection and pre-commissioning check by an \u003ca href=\"\/en-en\/products\/tecnico-experto-in-situ-horas\" title=\"On-site hourly Expert Technician\"\u003eExpert Technician\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eWhat is the CONFORT CONTROL?\u003c\/h3\u003e\n\u003cp\u003eThe Domusa Teknik CONFORT CONTROL is a digital room thermostat with \u003cstrong\u003eweekly programming\u003c\/strong\u003e. It switches the heating on and off according to each day's schedule and connects to the boiler with a two-wire cable.\u003c\/p\u003e\n\u003ch3\u003eCompatibility and limits\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eAccording to the Domusa Teknik 2026 price list, it suits its oil, gas, solar and biomass ranges, except BIOCLASS HC, BIOCLASS IC 150, LIGNUM NG and GRANADA.\u003c\/li\u003e\n\u003cli\u003eOn the Avanttia NG it connects to terminals 5 and 6 of connector J1, removing the factory jumper, according to the boiler manual.\u003c\/li\u003e\n\u003cli\u003eIt is a wired thermostat with no phone control. For that, there is the \u003ca href=\"\/en-en\/products\/domusa-confort-wifi-thermostat\" title=\"Domusa CONFORT WiFi thermostat\"\u003eCONFORT WiFi\u003c\/a\u003e.\u003c\/li\u003e\n\u003cli\u003eIn a Q-Tech pre-assembled plant room we leave the thermostat wiring ready up to the home.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently asked questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eCONFORT CONTROL or CONFORT WiFi?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe CONFORT CONTROL is programmed on the unit itself; the CONFORT WiFi adds control from your phone.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes it come with the boiler?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo. Domusa sells it separately, as an option for the \u003ca href=\"\/en-en\/products\/domusa-avanttia-ng-floor-standing-gas-condensing-boiler\" title=\"Domusa Avanttia NG boiler\"\u003eAvanttia NG boiler\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan you connect it for me?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. Our Expert Technician connects it to the boiler and leaves it programmed.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the lead time?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eIt is \u003cstrong\u003ein stock at our warehouse\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch3\u003eDocumentation\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.domusateknik.com\/es\/confort-control\" target=\"_blank\" rel=\"noopener\" title=\"CONFORT CONTROL at domusateknik.com\"\u003eOfficial CONFORT CONTROL page at Domusa Teknik\u003c\/a\u003e (in Spanish).\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"qt-nota-stock\"\u003e\u003cstrong\u003eAvailability and lead times:\u003c\/strong\u003e this item is in stock at our warehouse. Occasionally, depending on the time of year, the stock update may contain an error. If no units are available when you place your order, we will order it urgently and inform you immediately of the updated delivery time.\u003c\/p\u003e","brand":"Domusa Teknik","offers":[{"title":"Default Title","offer_id":59070012752216,"sku":"DO-CELC000282","price":108.25,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0015\/4592\/8792\/files\/domusa-termostato-confort-control-celc000282.webp?v=1794138736"},{"product_id":"viessmann-juego-ampliacion-circuito-mezcladora-km-bus","title":"Viessmann extension kit for a mixing valve circuit (KM-BUS, Vitotronic 200)","description":"\u003ch2\u003eExtension kit for a heating circuit with mixing valve on Vitotronic 200 control units\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eViessmann extension kit\u003c\/strong\u003e is the electronics that lets the \u003cstrong\u003eVitotronic 200\u003c\/strong\u003e control unit run a circuit with a mixing valve, for example underfloor heating alongside radiators. It connects over the \u003cstrong\u003eKM-BUS\u003c\/strong\u003e and comes with its flow temperature sensor.\u003c\/p\u003e\n\u003ch3\u003eSummary\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eType\u003c\/th\u003e\n\u003ctd\u003eMixing valve circuit electronics, KM-BUS subscriber\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBrand and model\u003c\/th\u003e\n\u003ctd\u003eViessmann, 2 models: ZK02940 (with actuator) and ZK02941 (for separate actuator)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eUse\u003c\/th\u003e\n\u003ctd\u003eControlling a heating circuit with mixing valve from the Vitotronic 200\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCompatible with\u003c\/th\u003e\n\u003ctd\u003e\n\u003ca href=\"\/en-en\/products\/caldera-de-gasoil-vitorondens-200t-br2a-viessmann\" title=\"Vitorondens 200-T BR2A\"\u003eVitorondens 200-T BR2A\u003c\/a\u003e and \u003ca href=\"\/en-en\/products\/viessmann-vitorondens-200-t-j2ra-oil-condensing-boiler\" title=\"Vitorondens 200-T J2RA\"\u003eJ2RA\u003c\/a\u003e with Vitotronic 200 KO2B; \u003ca href=\"\/en-en\/products\/viessmann-vitodens-200-w-b2ha-gas-condensing-boiler-49-99-kw\" title=\"Vitodens 200-W B2HA\"\u003eVitodens 200-W B2HA\u003c\/a\u003e with Vitotronic 200 HO1B\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eQ-Tech installation\u003c\/th\u003e\n\u003ctd\u003eFitted and wired in a \u003ca href=\"\/en-en\/pages\/pre-montaje-avanzado\" title=\"Advanced pre-assembly of plant rooms\"\u003epre-assembled plant room\u003c\/a\u003e or on-site by an Expert Technician\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eTechnical data\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eData\u003c\/th\u003e\n\u003cth\u003eZK02940, with actuator\u003c\/th\u003e\n\u003cth\u003eZK02941, for separate actuator\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMounting\u003c\/th\u003e\n\u003ctd\u003eDirectly on the Viessmann mixing valve\u003c\/td\u003e\n\u003ctd\u003eOn the wall\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eActuator\u003c\/th\u003e\n\u003ctd\u003eIntegrated: 3 Nm torque, 120 s per 90°\u003c\/td\u003e\n\u003ctd\u003eNot included: 230 V~, 120 s per 90°, reversible direction of rotation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePower supply\u003c\/th\u003e\n\u003ctd\u003e230 V~, 50 Hz\u003c\/td\u003e\n\u003ctd\u003e230 V~, 50 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCommunication\u003c\/th\u003e\n\u003ctd\u003eKM-BUS\u003c\/td\u003e\n\u003ctd\u003eKM-BUS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFlow temperature sensor\u003c\/th\u003e\n\u003ctd\u003eContact type, NTC 10 kΩ, 2 m cable\u003c\/td\u003e\n\u003ctd\u003eContact type, NTC 10 kΩ, 5.8 m cable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePump relay\u003c\/th\u003e\n\u003ctd\u003e2(1) A, 230 V~\u003c\/td\u003e\n\u003ctd\u003e2(1) A, 230 V~\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eProtection\u003c\/th\u003e\n\u003ctd\u003eIP 32 D\u003c\/td\u003e\n\u003ctd\u003eIP 32 D\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eViessmann list price (excluding VAT)\u003c\/th\u003e\n\u003ctd\u003e€691\u003c\/td\u003e\n\u003ctd\u003e€454\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eSources: Viessmann price list of September 2026 (p. 131) and Viessmann planning instructions for the Vitorondens 200-T and the Vitodens 200-W B2HA.\u003c\/p\u003e\n\u003ch3\u003eCompatibility and limits\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eOnly with the \u003cstrong\u003eVitotronic 200\u003c\/strong\u003e control: the Vitotronic 100 handles a single circuit without mixing valve.\u003c\/li\u003e\n\u003cli\u003eThe Vitotronic 200 KO2B and HO1B handle one direct circuit and \u003cstrong\u003eup to two mixing valve circuits\u003c\/strong\u003e: one kit per mixed circuit.\u003c\/li\u003e\n\u003cli\u003eThe ZK02940 is for Viessmann mixing valves from DN 20 to DN 50 (R ½ to R 1¼), not for flanged mixing valves.\u003c\/li\u003e\n\u003cli\u003eIf you fit a \u003ca href=\"\/en-en\/products\/viessmann-divicon-pump-group-mixed-circuit-one-base\" title=\"Divicon with mixing valve\"\u003eDivicon with mixing valve in the KM-Bus version\u003c\/a\u003e, the extension kit is already included in the Divicon.\u003c\/li\u003e\n\u003cli\u003eInstallation requires a licensed installation company.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently asked questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhich one should I choose?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003eZK02940\u003c\/strong\u003e if the mixing valve is a Viessmann one: it comes with the actuator. The \u003cstrong\u003eZK02941\u003c\/strong\u003e if you already have a 230 V actuator from another brand.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes it work with a current wall-hung Vitodens 100-W, 111-W or 200-W?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo. Those boilers use PlusBus and their ADIO EM-MX or EM-M1 extensions.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the delivery time?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eIt is in stock at our warehouse.\u003c\/p\u003e\n\u003ch3\u003eDocumentation\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/www.viessmann.es\/es\/productos\/calderas-de-gasoleo\/vitorondens-200-t.html\" target=\"_blank\" rel=\"noopener\" title=\"Vitorondens 200-T on viessmann.es\"\u003eOfficial Vitorondens 200-T page at Viessmann Spain\u003c\/a\u003e (in Spanish).\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/vibooks.viessmann-climatesolutions.com\/es\/es\" target=\"_blank\" rel=\"noopener\" title=\"Viessmann Vibooks\"\u003eViessmann Vibooks\u003c\/a\u003e, with installation instructions by reference (in Spanish).\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"qt-nota-stock\"\u003e\u003cstrong\u003eAvailability and lead times:\u003c\/strong\u003e this item is in stock at our warehouse. Occasionally, depending on the time of year, the stock update may contain an error. If no units are available when you place your order, we will order it urgently and inform you immediately of the updated delivery time.\u003c\/p\u003e","brand":"Viessmann","offers":[{"title":"With actuator, on the mixing valve","offer_id":59070465376600,"sku":"VI-ZK02940","price":574.83,"currency_code":"EUR","in_stock":true},{"title":"For separate actuator, wall-mounted","offer_id":59070465409368,"sku":"VI-ZK02941","price":377.68,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0015\/4592\/8792\/files\/viessmann-juego-ampliacion-mezcladora-zk02940.webp?v=1794142881"},{"product_id":"viessmann-modulo-regulacion-solar-sm1-z014470","title":"Viessmann SM1 solar control module (KM-BUS) for Vitotronic","description":"\u003ch2\u003eSM1 module to integrate solar thermal into the Viessmann boiler control\u003c\/h2\u003e\n\u003cp\u003eThe Viessmann \u003cstrong\u003eSM1 solar control module\u003c\/strong\u003e controls the solar thermal collector system and is operated from the boiler's own \u003cstrong\u003eVitotronic\u003c\/strong\u003e control unit, connected over the \u003cstrong\u003eKM-BUS\u003c\/strong\u003e. This way the boiler only adds heat when the sun is not enough.\u003c\/p\u003e\n\u003ch3\u003eSummary\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eType\u003c\/th\u003e\n\u003ctd\u003eDifferential solar controller, KM-BUS subscriber\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBrand and reference\u003c\/th\u003e\n\u003ctd\u003eViessmann SM1, ref. Z014470\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eUse\u003c\/th\u003e\n\u003ctd\u003eControl of the solar pump and of solar heating of the cylinder\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCompatible with\u003c\/th\u003e\n\u003ctd\u003e\n\u003ca href=\"\/en-en\/products\/caldera-de-gasoil-vitorondens-200t-br2a-viessmann\" title=\"Vitorondens 200-T BR2A\"\u003eVitorondens 200-T BR2A\u003c\/a\u003e and \u003ca href=\"\/en-en\/products\/viessmann-vitorondens-200-t-j2ra-oil-condensing-boiler\" title=\"Vitorondens 200-T J2RA\"\u003eJ2RA\u003c\/a\u003e; \u003ca href=\"\/en-en\/products\/viessmann-vitodens-200-w-b2ha-gas-condensing-boiler-49-99-kw\" title=\"Vitodens 200-W B2HA\"\u003eVitodens 200-W B2HA\u003c\/a\u003e with Vitotronic 100 or 200\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eQ-Tech installation\u003c\/th\u003e\n\u003ctd\u003eFitted and wired in a \u003ca href=\"\/en-en\/pages\/pre-montaje-avanzado\" title=\"Advanced pre-assembly of plant rooms\"\u003epre-assembled plant room\u003c\/a\u003e or on-site by an Expert Technician\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eTechnical data\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003ePower supply\u003c\/th\u003e\n\u003ctd\u003e230 V~, 50 Hz, 1.5 W consumption\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCommunication\u003c\/th\u003e\n\u003ctd\u003eKM-BUS with the Vitotronic control unit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFunctions\u003c\/th\u003e\n\u003ctd\u003eSpeed-controlled solar pump (PWM), two consumers with one collector array, thermostat function, cylinder temperature limit, collector safety shutdown, suppression of reheating by the boiler, heat statement and diagnostics\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOutputs\u003c\/th\u003e\n\u003ctd\u003e1(1) A 230 V~ relays, maximum 2 A in total; relay for an additional pump or valve\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eIncludes\u003c\/th\u003e\n\u003ctd\u003eModule, NTC 20 kΩ collector sensor, NTC 10 kΩ cylinder sensor, solar pump and KM-BUS cables, connectors and fuses\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eProtection\u003c\/th\u003e\n\u003ctd\u003eIP 20\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eViessmann list price (excluding VAT)\u003c\/th\u003e\n\u003ctd\u003e€597\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eSources: Viessmann price list of September 2026 (p. 130) and Viessmann installation instructions for the SM1.\u003c\/p\u003e\n\u003ch3\u003eCompatibility and limits\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eThe Viessmann price list marks it for the \u003cstrong\u003eVitorondens 200-T\u003c\/strong\u003e, the \u003cstrong\u003eVitodens 200-W B2HA\u003c\/strong\u003e with Vitotronic 100 and 200 and the Vitocal heat pumps on the same page.\u003c\/li\u003e\n\u003cli\u003eIt is not suitable for wall-hung PlusBus Vitodens (050-W, 100-W, 111-W, 200-W B2HH and B2KH).\u003c\/li\u003e\n\u003cli\u003eSensor cable extension: 2-core, up to 60 m, 1.5 mm² copper.\u003c\/li\u003e\n\u003cli\u003eCommissioning of the solar control by the Viessmann technical service is priced separately in the price list.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently asked questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eDoes it include the sensors?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes: an \u003cstrong\u003eNTC 20 kΩ collector sensor\u003c\/strong\u003e and an NTC 10 kΩ cylinder sensor.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDo I need another solar controller?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo. It is displayed and adjusted from the boiler control unit.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the delivery time?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eIt is in stock at our warehouse.\u003c\/p\u003e\n\u003ch3\u003eDocumentation\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/www.viessmann.es\/es\/productos\/calderas-de-gasoleo\/vitorondens-200-t.html\" target=\"_blank\" rel=\"noopener\" title=\"Vitorondens 200-T on viessmann.es\"\u003eOfficial Vitorondens 200-T page at Viessmann Spain\u003c\/a\u003e (in Spanish).\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/vibooks.viessmann-climatesolutions.com\/es\/es\" target=\"_blank\" rel=\"noopener\" title=\"Viessmann Vibooks\"\u003eViessmann Vibooks\u003c\/a\u003e, with installation instructions by reference (in Spanish).\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"qt-nota-stock\"\u003e\u003cstrong\u003eAvailability and lead times:\u003c\/strong\u003e this item is in stock at our warehouse. Occasionally, depending on the time of year, the stock update may contain an error. If no units are available when you place your order, we will order it urgently and inform you immediately of the updated delivery time.\u003c\/p\u003e","brand":"Viessmann","offers":[{"title":"Default Title","offer_id":59070473699672,"sku":"VI-Z014470","price":496.63,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0015\/4592\/8792\/files\/viessmann-caja-mural-zk02941-sm1-z014470_c9263cfc-0e88-4dd3-bb8e-3fdb9489665c.webp?v=1794142920"},{"product_id":"viessmann-aguja-hidraulica-colector-divicon","title":"Viessmann low loss header for Divicon manifold, up to 4.5 or 7.5 m³\/h","description":"\u003ch2\u003eLow loss header to mount on the Viessmann Divicon manifold\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003elow loss header\u003c\/strong\u003e separates the boiler circuit from the heating circuits, so that each pump works at its own flow rate without interfering with the others. This Viessmann one mounts directly on the \u003cstrong\u003eDivicon pump group manifold\u003c\/strong\u003e, with thermal insulation and a sensor well.\u003c\/p\u003e\n\u003ch3\u003eSummary\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eType\u003c\/th\u003e\n\u003ctd\u003eLow loss header (hydraulic separator) for Divicon manifold\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBrand and model\u003c\/th\u003e\n\u003ctd\u003eViessmann, 2 models: 7460649 (up to 4.5 m³\/h) and 7460648 (up to 7.5 m³\/h)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eUse\u003c\/th\u003e\n\u003ctd\u003eHydraulic decoupling of the boiler from several circuits with Divicon groups\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCompatible with\u003c\/th\u003e\n\u003ctd\u003eDivicon manifolds for 2 or 3 groups; wall-hung Vitodens boilers, \u003ca href=\"\/en-en\/products\/viessmann-vitodens-200-w-b2ha-gas-condensing-boiler-49-99-kw\" title=\"Vitodens 200-W B2HA\"\u003eVitodens 200-W B2HA\u003c\/a\u003e and floor-standing \u003ca href=\"\/en-en\/products\/caldera-de-gasoil-vitorondens-200t-br2a-viessmann\" title=\"Vitorondens 200-T BR2A\"\u003eVitorondens 200-T\u003c\/a\u003e oil boilers\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eQ-Tech installation\u003c\/th\u003e\n\u003ctd\u003eFitted with the manifold in a \u003ca href=\"\/en-en\/pages\/pre-montaje-avanzado\" title=\"Advanced pre-assembly of plant rooms\"\u003epre-assembled plant room\u003c\/a\u003e or on-site by an Expert Technician\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eTechnical data\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eData\u003c\/th\u003e\n\u003cth\u003e7460649\u003c\/th\u003e\n\u003cth\u003e7460648\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMaximum flow rate\u003c\/th\u003e\n\u003ctd\u003e4.5 m³\/h\u003c\/td\u003e\n\u003ctd\u003e7.5 m³\/h\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFor manifold size\u003c\/th\u003e\n\u003ctd\u003eDN 20 (¾\") and DN 25 (1\")\u003c\/td\u003e\n\u003ctd\u003eDN 32 (1¼\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMounting\u003c\/th\u003e\n\u003ctd\u003eOn the Divicon manifold\u003c\/td\u003e\n\u003ctd\u003eOn the Divicon manifold\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eInsulation\u003c\/th\u003e\n\u003ctd\u003eThermal, black\u003c\/td\u003e\n\u003ctd\u003eThermal, black\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSensor well\u003c\/th\u003e\n\u003ctd\u003eIntegrated\u003c\/td\u003e\n\u003ctd\u003eIntegrated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eViessmann list price (excluding VAT)\u003c\/th\u003e\n\u003ctd\u003e€320\u003c\/td\u003e\n\u003ctd\u003e€399\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eSource: Viessmann price list of September 2026 (pp. 111, 115 and 131).\u003c\/p\u003e\n\u003ch3\u003eCompatibility and limits\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eIt mounts on the \u003ca href=\"\/en-en\/products\/viessmann-manifold-divicon-pump-groups\" title=\"Manifold for Divicon\"\u003emanifold for 2 or 3 Divicon\u003c\/a\u003e: the model depends on the manifold size.\u003c\/li\u003e\n\u003cli\u003eThe \u003cstrong\u003eheader sensor is ordered separately\u003c\/strong\u003e: on wall-hung Vitodens, sensor ZK04032; on the Vitotronic 200, the NTC 10 kΩ temperature sensor.\u003c\/li\u003e\n\u003cli\u003eThe connection between the boiler and the manifold is made by the installer.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently asked questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhen is a low loss header needed?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWhen there are several circuits with their own pump, or the flow rate of the circuits does not match that of the boiler.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhich one should I choose?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003e7460649 up to 4.5 m³\/h\u003c\/strong\u003e for DN 20 and DN 25 manifolds, and the 7460648 up to 7.5 m³\/h for DN 32.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the delivery time?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eIt is in stock at our warehouse.\u003c\/p\u003e\n\u003ch3\u003eDocumentation\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/www.viessmann.de\/de\/produkte\/zubehoer\/divicon-heizkreisverteilung.html\" target=\"_blank\" rel=\"noopener\" title=\"Divicon on viessmann.de\"\u003eOfficial Viessmann page for the Divicon system\u003c\/a\u003e (in German).\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/vibooks.viessmann-climatesolutions.com\/es\/es\" target=\"_blank\" rel=\"noopener\" title=\"Viessmann Vibooks\"\u003eViessmann Vibooks\u003c\/a\u003e, with installation instructions by reference (in Spanish).\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"qt-nota-stock\"\u003e\u003cstrong\u003eAvailability and lead times:\u003c\/strong\u003e this item is in stock at our warehouse. Occasionally, depending on the time of year, the stock update may contain an error. If no units are available when you place your order, we will order it urgently and inform you immediately of the updated delivery time.\u003c\/p\u003e","brand":"Viessmann","offers":[{"title":"Up to 4.5 m³\/h (DN 20 and DN 25)","offer_id":59070494277976,"sku":"VI-7460649","price":266.2,"currency_code":"EUR","in_stock":true},{"title":"Up to 7.5 m³\/h (DN 32)","offer_id":59070494310744,"sku":"VI-7460648","price":331.92,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0015\/4592\/8792\/files\/viessmann-aguja-hidraulica-7460649.webp?v=1794142881"},{"product_id":"viessmann-vitotrol-200-a-mando-distancia-km-bus-z008341","title":"Viessmann Vitotrol 200-A: wired remote control for 1 circuit (KM-BUS)","description":"\u003ch2\u003eWired remote control for one heating circuit with Vitotronic 200 control\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eVitotrol 200-A\u003c\/strong\u003e lets you set the temperature and programme of one boiler circuit from inside the home, without going to the boiler room. It connects to the \u003cstrong\u003eVitotronic 200\u003c\/strong\u003e control over the \u003cstrong\u003eKM-BUS\u003c\/strong\u003e with two wires and is powered by the same bus.\u003c\/p\u003e\n\u003ch3\u003eSummary\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eType\u003c\/th\u003e\n\u003ctd\u003eWired remote control, KM-BUS subscriber\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBrand and reference\u003c\/th\u003e\n\u003ctd\u003eViessmann Vitotrol 200-A, ref. Z008341\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCircuits\u003c\/th\u003e\n\u003ctd\u003e1 heating circuit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCompatible with\u003c\/th\u003e\n\u003ctd\u003e\n\u003ca href=\"\/en-en\/products\/caldera-de-gasoil-vitorondens-200t-br2a-viessmann\" title=\"Vitorondens 200-T BR2A\"\u003eVitorondens 200-T BR2A\u003c\/a\u003e and \u003ca href=\"\/en-en\/products\/viessmann-vitorondens-200-t-j2ra-oil-condensing-boiler\" title=\"Vitorondens 200-T J2RA\"\u003eJ2RA\u003c\/a\u003e with Vitotronic 200 KO2B; \u003ca href=\"\/en-en\/products\/viessmann-vitodens-200-w-b2ha-gas-condensing-boiler-49-99-kw\" title=\"Vitodens 200-W B2HA\"\u003eVitodens 200-W B2HA\u003c\/a\u003e with Vitotronic 200 HO1B\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eQ-Tech installation\u003c\/th\u003e\n\u003ctd\u003eWiring and configuration by an Expert Technician, or with your \u003ca href=\"\/en-en\/pages\/pre-montaje-avanzado\" title=\"Advanced pre-assembly of plant rooms\"\u003epre-assembled plant room\u003c\/a\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eTechnical data\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eDisplays\u003c\/th\u003e\n\u003ctd\u003eRoom temperature, outside temperature and operating status\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSettings\u003c\/th\u003e\n\u003ctd\u003eStandard room temperature, operating programme, party and economy buttons\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eRoom temperature sensor\u003c\/th\u003e\n\u003ctd\u003eIntegrated; room temperature-dependent control only on mixing valve circuits\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSetting range\u003c\/th\u003e\n\u003ctd\u003e3 to 37 °C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePower supply\u003c\/th\u003e\n\u003ctd\u003eVia KM-BUS, 0.2 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCable\u003c\/th\u003e\n\u003ctd\u003e2-core, minimum 0.75 mm², up to 50 m in total\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eProtection\u003c\/th\u003e\n\u003ctd\u003eIP 30\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eViessmann list price (excluding VAT)\u003c\/th\u003e\n\u003ctd\u003e€204\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eSources: Viessmann price list of September 2026 (p. 130) and Viessmann planning instructions for the Vitorondens 200-T and the Vitodens 200-W B2HA.\u003c\/p\u003e\n\u003ch3\u003eCompatibility and limits\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOnly with Vitotronic 200\u003c\/strong\u003e (KO2B on the Vitorondens, HO1B on the B2HA).\u003c\/li\u003e\n\u003cli\u003eUp to \u003cstrong\u003e2 wired controls\u003c\/strong\u003e per control unit, for example one 200-A and one \u003ca href=\"\/en-en\/products\/viessmann-vitotrol-300-a-wired-remote-control-km-bus-z008342\" title=\"Vitotrol 300-A\"\u003eVitotrol 300-A\u003c\/a\u003e.\u003c\/li\u003e\n\u003cli\u003eIt cannot be combined with the radio base station or with wireless controls.\u003c\/li\u003e\n\u003cli\u003eOn underfloor heating, room temperature-dependent control is not activated.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently asked questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eDoes it need batteries?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo. It is \u003cstrong\u003epowered by the KM-BUS itself\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes it work with a current wall-hung Vitodens 100-W or 200-W?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo. Those boilers use a different communication and their own Vitotrol thermostats.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the delivery time?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eIt is in stock at our warehouse.\u003c\/p\u003e\n\u003ch3\u003eDocumentation\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/www.viessmann.es\/es\/productos\/calderas-de-gasoleo\/vitorondens-200-t.html\" target=\"_blank\" rel=\"noopener\" title=\"Vitorondens 200-T on viessmann.es\"\u003eOfficial Vitorondens 200-T page at Viessmann Spain\u003c\/a\u003e (in Spanish).\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/vibooks.viessmann-climatesolutions.com\/es\/es\" target=\"_blank\" rel=\"noopener\" title=\"Viessmann Vibooks\"\u003eViessmann Vibooks\u003c\/a\u003e, with installation instructions by reference (in Spanish).\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"qt-nota-stock\"\u003e\u003cstrong\u003eAvailability and lead times:\u003c\/strong\u003e this item is in stock at our warehouse. Occasionally, depending on the time of year, the stock update may contain an error. If no units are available when you place your order, we will order it urgently and inform you immediately of the updated delivery time.\u003c\/p\u003e","brand":"Viessmann","offers":[{"title":"Default Title","offer_id":59070523048280,"sku":"VI-Z008341","price":169.71,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0015\/4592\/8792\/files\/viessmann-vitotrol-200-a-200-rf.webp?v=1794142881"},{"product_id":"viessmann-vitotrol-300-a-mando-distancia-km-bus-z008342","title":"Viessmann Vitotrol 300-A: wired remote control for up to 3 circuits (KM-BUS)","description":"\u003ch2\u003eWired remote control for up to three circuits and hot water with Vitotronic 200\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eVitotrol 300-A\u003c\/strong\u003e brings full operation of the boiler control into the home: \u003cstrong\u003eup to 3 heating circuits\u003c\/strong\u003e, the hot water and their schedules. It connects to the \u003cstrong\u003eVitotronic 200\u003c\/strong\u003e over the \u003cstrong\u003eKM-BUS\u003c\/strong\u003e with two wires.\u003c\/p\u003e\n\u003ch3\u003eSummary\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eType\u003c\/th\u003e\n\u003ctd\u003eWired remote control, KM-BUS subscriber\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBrand and reference\u003c\/th\u003e\n\u003ctd\u003eViessmann Vitotrol 300-A, ref. Z008342\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCircuits\u003c\/th\u003e\n\u003ctd\u003eUp to 3 heating circuits and DHW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCompatible with\u003c\/th\u003e\n\u003ctd\u003e\n\u003ca href=\"\/en-en\/products\/caldera-de-gasoil-vitorondens-200t-br2a-viessmann\" title=\"Vitorondens 200-T BR2A\"\u003eVitorondens 200-T BR2A\u003c\/a\u003e and \u003ca href=\"\/en-en\/products\/viessmann-vitorondens-200-t-j2ra-oil-condensing-boiler\" title=\"Vitorondens 200-T J2RA\"\u003eJ2RA\u003c\/a\u003e with Vitotronic 200 KO2B; \u003ca href=\"\/en-en\/products\/viessmann-vitodens-200-w-b2ha-gas-condensing-boiler-49-99-kw\" title=\"Vitodens 200-W B2HA\"\u003eVitodens 200-W B2HA\u003c\/a\u003e with Vitotronic 200 HO1B\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eQ-Tech installation\u003c\/th\u003e\n\u003ctd\u003eWiring and configuration by an Expert Technician, or with your \u003ca href=\"\/en-en\/pages\/pre-montaje-avanzado\" title=\"Advanced pre-assembly of plant rooms\"\u003epre-assembled plant room\u003c\/a\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eTechnical data\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eDisplays\u003c\/th\u003e\n\u003ctd\u003eTemperatures, programme, status and solar yield if an SM1 module is fitted\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSettings\u003c\/th\u003e\n\u003ctd\u003eStandard and reduced room temperature, DHW temperature, time programmes for heating, DHW and recirculation, party and economy modes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSetting range\u003c\/th\u003e\n\u003ctd\u003e3 to 37 °C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePower supply\u003c\/th\u003e\n\u003ctd\u003eVia KM-BUS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCable\u003c\/th\u003e\n\u003ctd\u003e2-core, up to 50 m in total\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eProtection\u003c\/th\u003e\n\u003ctd\u003eIP 30\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eViessmann list price (excluding VAT)\u003c\/th\u003e\n\u003ctd\u003e€352\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eSources: Viessmann price list of September 2026 (p. 130) and Viessmann planning instructions for the Vitorondens 200-T and the Vitodens 200-W B2HA.\u003c\/p\u003e\n\u003ch3\u003eCompatibility and limits\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOnly with Vitotronic 200\u003c\/strong\u003e (KO2B on the Vitorondens, HO1B on the B2HA).\u003c\/li\u003e\n\u003cli\u003eUp to 2 wired controls per control unit, for example one 300-A and one \u003ca href=\"\/en-en\/products\/viessmann-vitotrol-200-a-wired-remote-control-km-bus-z008341\" title=\"Vitotrol 200-A\"\u003eVitotrol 200-A\u003c\/a\u003e.\u003c\/li\u003e\n\u003cli\u003eIt cannot be combined with the radio base station or with wireless controls.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently asked questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the difference from the Vitotrol 200-A?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe 200-A handles one circuit; the \u003cstrong\u003e300-A handles up to three\u003c\/strong\u003e and the hot water.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes it need batteries?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo. It is powered by the KM-BUS.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the delivery time?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eIt is in stock at our warehouse.\u003c\/p\u003e\n\u003ch3\u003eDocumentation\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/www.viessmann.es\/es\/productos\/calderas-de-gasoleo\/vitorondens-200-t.html\" target=\"_blank\" rel=\"noopener\" title=\"Vitorondens 200-T on viessmann.es\"\u003eOfficial Vitorondens 200-T page at Viessmann Spain\u003c\/a\u003e (in Spanish).\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/vibooks.viessmann-climatesolutions.com\/es\/es\" target=\"_blank\" rel=\"noopener\" title=\"Viessmann Vibooks\"\u003eViessmann Vibooks\u003c\/a\u003e, with installation instructions by reference (in Spanish).\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"qt-nota-stock\"\u003e\u003cstrong\u003eAvailability and lead times:\u003c\/strong\u003e this item is in stock at our warehouse. Occasionally, depending on the time of year, the stock update may contain an error. If no units are available when you place your order, we will order it urgently and inform you immediately of the updated delivery time.\u003c\/p\u003e","brand":"Viessmann","offers":[{"title":"Default Title","offer_id":59070523179352,"sku":"VI-Z008342","price":292.82,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0015\/4592\/8792\/files\/viessmann-vitotrol-300-a-z008342.webp?v=1794142881"},{"product_id":"viessmann-vitotrol-200-rf-mando-distancia-radio-z011219","title":"Viessmann Vitotrol 200-RF: wireless remote control for 1 heating circuit","description":"\u003ch2\u003eWireless remote control for one heating circuit with Vitotronic 200\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eVitotrol 200-RF\u003c\/strong\u003e is the wireless version of the Vitotrol 200-A: it sets the temperature and programme of one circuit from any room, \u003cstrong\u003ewithout running a cable\u003c\/strong\u003e to the boiler. It runs on batteries and communicates with the \u003cstrong\u003eradio base station\u003c\/strong\u003e connected to the Vitotronic 200.\u003c\/p\u003e\n\u003ch3\u003eSummary\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eType\u003c\/th\u003e\n\u003ctd\u003eWireless remote control\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBrand and reference\u003c\/th\u003e\n\u003ctd\u003eViessmann Vitotrol 200-RF, ref. Z011219\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCircuits\u003c\/th\u003e\n\u003ctd\u003e1 heating circuit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eRequires\u003c\/th\u003e\n\u003ctd\u003e\n\u003ca href=\"\/en-en\/products\/viessmann-radio-base-station-vitotrol-rf-z011413\" title=\"Viessmann radio base station\"\u003eRadio base station Z011413\u003c\/a\u003e connected to the control unit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCompatible with\u003c\/th\u003e\n\u003ctd\u003e\n\u003ca href=\"\/en-en\/products\/caldera-de-gasoil-vitorondens-200t-br2a-viessmann\" title=\"Vitorondens 200-T BR2A\"\u003eVitorondens 200-T BR2A\u003c\/a\u003e and \u003ca href=\"\/en-en\/products\/viessmann-vitorondens-200-t-j2ra-oil-condensing-boiler\" title=\"Vitorondens 200-T J2RA\"\u003eJ2RA\u003c\/a\u003e with Vitotronic 200 KO2B; \u003ca href=\"\/en-en\/products\/viessmann-vitodens-200-w-b2ha-gas-condensing-boiler-49-99-kw\" title=\"Vitodens 200-W B2HA\"\u003eVitodens 200-W B2HA\u003c\/a\u003e with Vitotronic 200 HO1B\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eTechnical data\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eFrequency\u003c\/th\u003e\n\u003ctd\u003e868 MHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePower supply\u003c\/th\u003e\n\u003ctd\u003e2 AA (LR6) 1.5 V batteries, approximately 2 years\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSetting range\u003c\/th\u003e\n\u003ctd\u003e3 to 37 °C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eRoom temperature sensor\u003c\/th\u003e\n\u003ctd\u003eIntegrated; room temperature-dependent control only on mixing valve circuits\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eProtection\u003c\/th\u003e\n\u003ctd\u003eIP 30\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eIncludes\u003c\/th\u003e\n\u003ctd\u003eControl unit, wall base and batteries\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eViessmann list price (excluding VAT)\u003c\/th\u003e\n\u003ctd\u003e€245\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eSources: Viessmann price list of September 2026 (p. 130) and Viessmann operating instructions for the Vitotrol 200-RF.\u003c\/p\u003e\n\u003ch3\u003eCompatibility and limits\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOnly with Vitotronic 200\u003c\/strong\u003e and the radio base station.\u003c\/li\u003e\n\u003cli\u003eOne base station accepts \u003cstrong\u003eup to 3 wireless controls\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eIt cannot be combined with wired controls (Vitotrol 200-A or 300-A) on the same control unit.\u003c\/li\u003e\n\u003cli\u003eViessmann gives no range in metres: it depends on the walls. Reinforced concrete and metal greatly reduce the signal; keep at least 2 m from WiFi routers, DECT or GSM devices.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently asked questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eDoes it work without the radio base station?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNot on the Vitorondens or the B2HA: \u003cstrong\u003ethe base station is mandatory\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow long do the batteries last?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eAbout 2 years, according to Viessmann.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the delivery time?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eIt is in stock at our warehouse.\u003c\/p\u003e\n\u003ch3\u003eDocumentation\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/www.viessmann.es\/es\/productos\/calderas-de-gasoleo\/vitorondens-200-t.html\" target=\"_blank\" rel=\"noopener\" title=\"Vitorondens 200-T on viessmann.es\"\u003eOfficial Vitorondens 200-T page at Viessmann Spain\u003c\/a\u003e (in Spanish).\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/vibooks.viessmann-climatesolutions.com\/es\/es\" target=\"_blank\" rel=\"noopener\" title=\"Viessmann Vibooks\"\u003eViessmann Vibooks\u003c\/a\u003e, with installation instructions by reference (in Spanish).\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"qt-nota-stock\"\u003e\u003cstrong\u003eAvailability and lead times:\u003c\/strong\u003e this item is in stock at our warehouse. Occasionally, depending on the time of year, the stock update may contain an error. If no units are available when you place your order, we will order it urgently and inform you immediately of the updated delivery time.\u003c\/p\u003e","brand":"Viessmann","offers":[{"title":"Default Title","offer_id":59070572364120,"sku":"VI-Z011219","price":203.81,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0015\/4592\/8792\/files\/viessmann-vitotrol-200-a-200-rf_24d8cf8d-93b1-46ba-9a12-89e1c34b9bec.webp?v=1794142919"},{"product_id":"viessmann-base-radiofrecuencia-vitotrol-rf-z011413","title":"Viessmann radio base station for Vitotrol RF remote controls (KM-BUS)","description":"\u003ch2\u003eRadio base station to connect wireless Vitotrol controls to the Vitotronic 200\u003c\/h2\u003e\n\u003cp\u003eThe Viessmann \u003cstrong\u003eradio base station\u003c\/strong\u003e is the receiver that links wireless remote controls with the boiler's \u003cstrong\u003eVitotronic 200\u003c\/strong\u003e control. It connects over the \u003cstrong\u003eKM-BUS\u003c\/strong\u003e, is powered by it and accepts \u003cstrong\u003eup to 3 wireless controls\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch3\u003eSummary\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eType\u003c\/th\u003e\n\u003ctd\u003eRadio base station, KM-BUS subscriber\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBrand and reference\u003c\/th\u003e\n\u003ctd\u003eViessmann, ref. Z011413\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFor\u003c\/th\u003e\n\u003ctd\u003e\n\u003ca href=\"\/en-en\/products\/viessmann-vitotrol-200-rf-wireless-remote-control-z011219\" title=\"Vitotrol 200-RF\"\u003eVitotrol 200-RF\u003c\/a\u003e and 300-RF\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCompatible with\u003c\/th\u003e\n\u003ctd\u003e\n\u003ca href=\"\/en-en\/products\/caldera-de-gasoil-vitorondens-200t-br2a-viessmann\" title=\"Vitorondens 200-T BR2A\"\u003eVitorondens 200-T BR2A\u003c\/a\u003e and \u003ca href=\"\/en-en\/products\/viessmann-vitorondens-200-t-j2ra-oil-condensing-boiler\" title=\"Vitorondens 200-T J2RA\"\u003eJ2RA\u003c\/a\u003e with Vitotronic 200 KO2B; \u003ca href=\"\/en-en\/products\/viessmann-vitodens-200-w-b2ha-gas-condensing-boiler-49-99-kw\" title=\"Vitodens 200-W B2HA\"\u003eVitodens 200-W B2HA\u003c\/a\u003e with Vitotronic 200 HO1B\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eTechnical data\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eFrequency\u003c\/th\u003e\n\u003ctd\u003e868 MHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePower supply\u003c\/th\u003e\n\u003ctd\u003eVia KM-BUS, 1 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCable\u003c\/th\u003e\n\u003ctd\u003e2-core KM-BUS, up to 50 m in total\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWireless controls\u003c\/th\u003e\n\u003ctd\u003eUp to 3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eProtection\u003c\/th\u003e\n\u003ctd\u003eIP 30\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eIncludes\u003c\/th\u003e\n\u003ctd\u003eWall base, radio module, cover, connector and screws\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eViessmann list price (excluding VAT)\u003c\/th\u003e\n\u003ctd\u003e€227\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eSources: Viessmann price list of September 2026 (p. 130) and Viessmann installation instructions for the radio base station.\u003c\/p\u003e\n\u003ch3\u003eCompatibility and limits\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOnly with Vitotronic 200\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eIt is not used together with a wired remote control on the same control unit.\u003c\/li\u003e\n\u003cli\u003eKeep at least 2 m from WiFi routers, DECT or GSM devices and 0.5 m between radio components.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently asked questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eDo I need it for the Vitotrol 200-RF?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. \u003cstrong\u003eWithout the base station, the wireless control cannot communicate\u003c\/strong\u003e with the control unit.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the delivery time?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eIt is in stock at our warehouse.\u003c\/p\u003e\n\u003ch3\u003eDocumentation\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/www.viessmann.es\/es\/productos\/calderas-de-gasoleo\/vitorondens-200-t.html\" target=\"_blank\" rel=\"noopener\" title=\"Vitorondens 200-T on viessmann.es\"\u003eOfficial Vitorondens 200-T page at Viessmann Spain\u003c\/a\u003e (in Spanish).\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/vibooks.viessmann-climatesolutions.com\/es\/es\" target=\"_blank\" rel=\"noopener\" title=\"Viessmann Vibooks\"\u003eViessmann Vibooks\u003c\/a\u003e, with installation instructions by reference (in Spanish).\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"qt-nota-stock\"\u003e\u003cstrong\u003eAvailability and lead times:\u003c\/strong\u003e this item is in stock at our warehouse. Occasionally, depending on the time of year, the stock update may contain an error. If no units are available when you place your order, we will order it urgently and inform you immediately of the updated delivery time.\u003c\/p\u003e","brand":"Viessmann","offers":[{"title":"Default Title","offer_id":59070572527960,"sku":"VI-Z011413","price":188.84,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0015\/4592\/8792\/files\/viessmann-base-radiofrecuencia-z011413.webp?v=1794142882"},{"product_id":"viessmann-vitotrol-100-utdb-termostato-z007691","title":"Viessmann Vitotrol 100 UTDB: digital room thermostat with weekly programme","description":"\u003ch2\u003eDigital on\/off room thermostat with weekly programme for Viessmann boilers\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eVitotrol 100 UTDB\u003c\/strong\u003e is Viessmann's simple room thermostat: it switches the heating on and off according to the room temperature and a \u003cstrong\u003edaily and weekly programme\u003c\/strong\u003e. It runs on batteries and connects to the boiler with \u003cstrong\u003etwo wires\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch3\u003eSummary\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eType\u003c\/th\u003e\n\u003ctd\u003eDigital room thermostat with on\/off output\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBrand and reference\u003c\/th\u003e\n\u003ctd\u003eViessmann Vitotrol 100 UTDB, ref. Z007691\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eConnection\u003c\/th\u003e\n\u003ctd\u003e2 wires (volt-free contact)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCompatible with\u003c\/th\u003e\n\u003ctd\u003eVitodens 050-W, \u003ca href=\"\/en-en\/products\/caldera-mural-de-condensacion-a-gas-vitodens-100-w-viessmann-conectividad-y-alto-rendimiento-1-10\" title=\"Vitodens 100-W\"\u003e100-W\u003c\/a\u003e, 111-W and 200-W; \u003ca href=\"\/en-en\/products\/viessmann-vitodens-200-w-b2ha-gas-condensing-boiler-49-99-kw\" title=\"Vitodens 200-W B2HA\"\u003eVitodens 200-W B2HA\u003c\/a\u003e with Vitotronic 100 HC1B; \u003ca href=\"\/en-en\/products\/caldera-de-gasoil-vitorondens-200t-br2a-viessmann\" title=\"Vitorondens 200-T BR2A\"\u003eVitorondens 200-T\u003c\/a\u003e (heating only)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eQ-Tech installation\u003c\/th\u003e\n\u003ctd\u003eWiring by an Expert Technician, or with your \u003ca href=\"\/en-en\/pages\/pre-montaje-avanzado\" title=\"Advanced pre-assembly of plant rooms\"\u003epre-assembled plant room\u003c\/a\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eTechnical data\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eFunctions\u003c\/th\u003e\n\u003ctd\u003e3 preset programmes, manual mode, frost protection, holiday mode, party and economy buttons\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePower supply\u003c\/th\u003e\n\u003ctd\u003e2 AA (LR6) 1.5 V alkaline batteries, about 1.5 years\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eContact\u003c\/th\u003e\n\u003ctd\u003eMaximum 6(1) A, 230 V~\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCable\u003c\/th\u003e\n\u003ctd\u003e2-core, 0.75 mm² to the boiler\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eProtection\u003c\/th\u003e\n\u003ctd\u003eIP 20\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eViessmann list price (excluding VAT)\u003c\/th\u003e\n\u003ctd\u003e€153\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eSources: Viessmann price list of September 2026 (pp. 110 and 130) and Viessmann planning instructions.\u003c\/p\u003e\n\u003ch3\u003eCompatibility and limits\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eOn the \u003cstrong\u003eVitorondens 200-T\u003c\/strong\u003e it is only valid for the heating circuits: \u003cstrong\u003enot valid if the boiler produces DHW\u003c\/strong\u003e (note in the Viessmann price list).\u003c\/li\u003e\n\u003cli\u003eOn the Vitodens 200-W B2HA, with the Vitotronic 100 HC1B control; with the Vitotronic 200, use the Vitotrol 200-A, 300-A or 200-RF.\u003c\/li\u003e\n\u003cli\u003eIt is an on\/off thermostat: it does not modulate the boiler output.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently asked questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eDoes it need a cable?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes, \u003cstrong\u003etwo wires\u003c\/strong\u003e to the boiler. If you cannot run a cable, Viessmann offers the UTDB-RF wireless version.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow long do the batteries last?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eAbout a year and a half, according to Viessmann.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the delivery time?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eIt is in stock at our warehouse.\u003c\/p\u003e\n\u003ch3\u003eDocumentation\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/www.viessmann.es\/es\/productos\/calderas-de-gasoleo\/vitorondens-200-t.html\" target=\"_blank\" rel=\"noopener\" title=\"Vitorondens 200-T on viessmann.es\"\u003eOfficial Vitorondens 200-T page at Viessmann Spain\u003c\/a\u003e (in Spanish).\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/vibooks.viessmann-climatesolutions.com\/es\/es\" target=\"_blank\" rel=\"noopener\" title=\"Viessmann Vibooks\"\u003eViessmann Vibooks\u003c\/a\u003e, with installation instructions by reference (in Spanish).\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"qt-nota-stock\"\u003e\u003cstrong\u003eAvailability and lead times:\u003c\/strong\u003e this item is in stock at our warehouse. Occasionally, depending on the time of year, the stock update may contain an error. If no units are available when you place your order, we will order it urgently and inform you immediately of the updated delivery time.\u003c\/p\u003e","brand":"Viessmann","offers":[{"title":"Default Title","offer_id":59070572757336,"sku":"VI-Z007691","price":127.28,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0015\/4592\/8792\/files\/viessmann-vitotrol-100-utdb-frontal.webp?v=1794142882"}],"url":"https:\/\/q-tech.es\/en-en\/collections\/gas-condensing-boilers.oembed","provider":"Q-Tech ® ","version":"1.0","type":"link"}