{"title":"VDI 2035 Magnetic","description":"\u003ch2\u003emagnetic equipment for heating water to VDI 2035\u003c\/h2\u003e\u003cp\u003eA heating water treatment unit is a device that prepares the filling water or regulates the circuit water to prevent lime, corrosion and sludge. Q-Tech brings together here the range from magnetic (Germany) for topping up with demineralised water and protecting the system in operation. For all units, ask for a quote.\u003c\/p\u003e\u003ch3\u003eModels in the collection\u003c\/h3\u003e\u003ctable\u003e\u003ctbody\u003e\u003ctr\u003e\u003cth\u003eProduct\u003c\/th\u003e\u003cth\u003eFunction\u003c\/th\u003e\u003cth\u003eCapacity\u003c\/th\u003e\u003c\/tr\u003e\u003ctr\u003e\u003cth\u003e\u003ca href=\"\/en-en\/products\/magnetic-nf-plus-demineralised-water-refill-station\"\u003emagnetic NF plus\u003c\/a\u003e\u003c\/th\u003e\u003ctd\u003ePermanent refill station with demineralised water\u003c\/td\u003e\u003ctd\u003e225 to 2,400 litres per charge at 20 °dH\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003cth\u003e\u003ca href=\"\/en-en\/products\/magnetic-demineralisation-cartridge-300-indicator\"\u003eDemineralisation cartridge 300\u003c\/a\u003e\u003c\/th\u003e\u003ctd\u003eSmall top-ups with colour indicator\u003c\/td\u003e\u003ctd\u003e300 litres at 10 °dH\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003cth\u003e\u003ca href=\"\/en-en\/products\/magnetic-hwr-compact-plus-heating-water-regulator\"\u003emagnetic HWR compact plus\u003c\/a\u003e\u003c\/th\u003e\u003ctd\u003eRegulator for diffusion-tight systems\u003c\/td\u003e\u003ctd\u003eUp to 500 litres\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003cth\u003e\u003ca href=\"\/en-en\/products\/magnetic-hwr-plus-10-15-25-heating-water-regulator\"\u003emagnetic HWR plus 10, 15 and 25\u003c\/a\u003e\u003c\/th\u003e\u003ctd\u003eRegulator with anode indicator\u003c\/td\u003e\u003ctd\u003eUp to 5,000 litres\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003cth\u003e\u003ca href=\"\/en-en\/products\/magnetic-hwr-plus-50-100-bypass-heating-water-regulator\"\u003emagnetic HWR plus 50 and 100\u003c\/a\u003e\u003c\/th\u003e\u003ctd\u003eBypass regulator with connection kit\u003c\/td\u003e\u003ctd\u003eUp to 35,000 litres\u003c\/td\u003e\u003c\/tr\u003e\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003eData according to magnetic.\u003c\/p\u003e\u003ch3\u003eHow to choose\u003c\/h3\u003e\u003cul\u003e\u003cli\u003e\u003cstrong\u003eFilling water:\u003c\/strong\u003e the NF plus for frequent top-ups; the cartridge 300 for the first fill and occasional top-ups.\u003c\/li\u003e\u003cli\u003e\u003cstrong\u003eCircuit water:\u003c\/strong\u003e the HWR regulator by system water content, calculated as output in kW times 20, according to magnetic.\u003c\/li\u003e\u003cli\u003e\u003cstrong\u003eType of system:\u003c\/strong\u003e the HWR compact plus for diffusion-tight circuits only; with plastic pipe without a barrier, the HWR plus.\u003c\/li\u003e\u003cli\u003e\u003cstrong\u003eOther brand:\u003c\/strong\u003e compare magnetic with ROTHENBERGER in \u003ca href=\"\/en-en\/collections\/vdi-2035-water-quality\"\u003eVDI 2035 water quality\u003c\/a\u003e.\u003c\/li\u003e\u003c\/ul\u003e\u003ch3\u003eApplications\u003c\/h3\u003e\u003cul\u003e\u003cli\u003eHeat pumps with buffer tank and underfloor heating.\u003c\/li\u003e\u003cli\u003eBoilers and building plant rooms.\u003c\/li\u003e\u003cli\u003eRefurbishment of systems with sludge and corrosion.\u003c\/li\u003e\u003c\/ul\u003e\u003ch3\u003eWhy choose Q-Tech?\u003c\/h3\u003e\u003col\u003e\u003cli\u003eWe integrate water treatment into the \u003ca href=\"\/en-en\/pages\/pre-montaje-avanzado\"\u003epre-assembled plant room\u003c\/a\u003e, tested in our workshop.\u003c\/li\u003e\u003cli\u003eWe connect and set up the unit with the \u003ca href=\"\/en-en\/products\/tecnico-experto-in-situ-horas\"\u003eon-site Expert Technician\u003c\/a\u003e.\u003c\/li\u003e\u003cli\u003eWe explain the guideline in our article \u003ca href=\"\/en-en\/blogs\/news\/vdi-2035-agua-aerotermia-calefaccion\"\u003eVDI 2035: water quality in heat pumps and heating systems\u003c\/a\u003e.\u003c\/li\u003e\u003c\/ol\u003e\u003ch3\u003eFrequently asked questions\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eWhat is the price?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eAsk for a quote: message us on \u003ca href=\"https:\/\/wa.me\/qtechhouses\" target=\"_blank\" rel=\"noopener\"\u003eWhatsApp\u003c\/a\u003e with the model and we will send it to you.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat do I need, filling or regulating?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eIt depends on the condition of the water: we recommend a laboratory analysis of the circuit water before deciding. Usually you need demineralised water for filling and a regulator if oxygen gets in, for example with plastic-pipe underfloor heating.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eAsk for a quote for heating water to VDI 2035\u003c\/strong\u003e.\u003c\/p\u003e\u003cp class=\"qt-version\"\u003eUpdated 07-11-2026 · v5.4\u003c\/p\u003e","products":[{"product_id":"magnetic-nf-plus-estacion-rellenado-agua-desmineralizada","title":"magnetic NF plus refill station for demineralised heating water, VDI 2035","description":"\u003ch2\u003ePermanent refill station that tops up your heating system with demineralised water to VDI 2035\u003c\/h2\u003e\u003cp\u003eThe \u003cstrong\u003emagnetic NF plus\u003c\/strong\u003e fits in the filling line of the boiler or heat pump and supplies \u003cstrong\u003edemineralised water at every top-up\u003c\/strong\u003e, with no mains power. Q-Tech integrates it into the pre-assembled plant room together with the backflow preventer, the water meter and the shut-off valves. Price on request: message us on \u003ca href=\"https:\/\/wa.me\/qtechhouses\" target=\"_blank\" rel=\"noopener\"\u003eWhatsApp\u003c\/a\u003e and we will send you a quote.\u003c\/p\u003e\u003ch3\u003eSummary\u003c\/h3\u003e\u003ctable\u003e\u003ctbody\u003e\u003ctr\u003e\u003cth\u003eType\u003c\/th\u003e\u003ctd\u003eRefill station for demineralised water with mixed bed resin\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003cth\u003eBrand and model\u003c\/th\u003e\u003ctd\u003emagnetic NF plus: NF 2, NF 6, NF 12 and NF 25 plus\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003cth\u003eUse\u003c\/th\u003e\u003ctd\u003eTopping up closed heating and cooling circuits to VDI 2035\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003cth\u003eCapacity at 20 °dH\u003c\/th\u003e\u003ctd\u003e225, 500, 1,200 or 2,400 litres depending on the model\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003cth\u003eMaximum flow rate\u003c\/th\u003e\u003ctd\u003e300 to 1,500 litres per hour at 3 to 4 bar inlet pressure\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003cth\u003eConnection\u003c\/th\u003e\u003ctd\u003eTwo G ¾ male threads (DN 20)\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003cth\u003ePower supply\u003c\/th\u003e\u003ctd\u003eNo mains power; the meter runs on three AAA batteries\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003cth\u003eQ-Tech installation\u003c\/th\u003e\u003ctd\u003eAssembled and tested in the \u003ca href=\"\/en-en\/pages\/pre-montaje-avanzado\"\u003epre-assembled plant room\u003c\/a\u003e or connected on-site by an Expert Technician\u003c\/td\u003e\u003c\/tr\u003e\u003c\/tbody\u003e\u003c\/table\u003e\u003ch3\u003eWhat is the magnetic NF plus?\u003c\/h3\u003e\u003cp\u003eThe magnetic NF plus from magnetic is a permanent refill station for closed heating circuits that removes lime and salts from mains water with mixed bed resin. The water flows through the vessel and leaves demineralised. It mounts on the wall or stands on the floor, between the water supply and the system.\u003c\/p\u003e\u003ch3\u003eConductivity meter and water counter\u003c\/h3\u003e\u003cp\u003eA battery-powered meter shows conductivity in µS per cm, flow rate and total litres. You set a limit and the meter checks the water every 20 litres: \u003cstrong\u003eit warns when the resin is exhausted\u003c\/strong\u003e with a red light and an audible alarm. The resin is changed on site and the used resin goes in household waste, according to magnetic.\u003c\/p\u003e\u003ch3\u003eWhat problem does it solve?\u003c\/h3\u003e\u003cp\u003eA system with a buffer tank and underfloor heating easily exceeds \u003cstrong\u003emore than 40 litres per kW\u003c\/strong\u003e, and in that case VDI 2035 calls for demineralised water. Every top-up with mains water adds lime, salts and oxygen. Mains water in Málaga city is fairly soft, about 10 °fH according to EMASA (2021), but it has hundreds of µS per cm and leaves the system in salt-containing operation, the most demanding on oxygen.\u003c\/p\u003e\u003cp\u003eTopping up untreated water builds up lime in the heat exchanger and speeds up corrosion in pumps, valves and radiators. magnetic warns that topping up with mains water can void the heat generator warranty and worsen heat transfer. Many heat pump and boiler manufacturers refer to VDI 2035 in their manuals.\u003c\/p\u003e\u003ch3\u003eTechnical data\u003c\/h3\u003e\u003ctable\u003e\u003ctbody\u003e\u003ctr\u003e\u003cth\u003eTreatment\u003c\/th\u003e\u003ctd\u003eDemineralisation by ion exchange with premium mixed bed resin\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003cth\u003eMaximum filling temperature\u003c\/th\u003e\u003ctd\u003e60 °C\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003cth\u003eMaximum pressure\u003c\/th\u003e\u003ctd\u003e6 bar\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003cth\u003eConnections\u003c\/th\u003e\u003ctd\u003e2 G ¾ male threads (DN 20)\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003cth\u003eMeter\u003c\/th\u003e\u003ctd\u003eConductivity in µS per cm or ppm, flow rate and total litres, with adjustable limit and visual and audible alarm\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003cth\u003eMeter power supply\u003c\/th\u003e\u003ctd\u003e3 AAA alkaline batteries\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003cth\u003eVessel NF 2 and NF 6 plus\u003c\/th\u003e\u003ctd\u003eFibre-reinforced plastic, screw-off, wall bracket included\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003cth\u003eVessel NF 12 and NF 25 plus\u003c\/th\u003e\u003ctd\u003eStainless steel with clamp lid and frost-protection drain, 170 mm diameter\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003cth\u003eOutlet\u003c\/th\u003e\u003ctd\u003eTwin shut-off valves and safety strainer that holds back the resin\u003c\/td\u003e\u003c\/tr\u003e\u003c\/tbody\u003e\u003c\/table\u003e\u003ch3\u003eModels and data by variant\u003c\/h3\u003e\u003ctable\u003e\u003ctbody\u003e\u003ctr\u003e\u003cth\u003eModel\u003c\/th\u003e\u003cth\u003eReference\u003c\/th\u003e\u003cth\u003eResin\u003c\/th\u003e\u003cth\u003eCapacity at 1 °dH\u003c\/th\u003e\u003cth\u003eCapacity at 20 °dH\u003c\/th\u003e\u003cth\u003eMaximum flow rate\u003c\/th\u003e\u003cth\u003eHeight\u003c\/th\u003e\u003cth\u003eOperating weight\u003c\/th\u003e\u003c\/tr\u003e\u003ctr\u003e\u003cth\u003eNF 2 plus\u003c\/th\u003e\u003ctd\u003e888 301\u003c\/td\u003e\u003ctd\u003e2.7 l\u003c\/td\u003e\u003ctd\u003e4,500 l\u003c\/td\u003e\u003ctd\u003e225 l\u003c\/td\u003e\u003ctd\u003e300 l per hour\u003c\/td\u003e\u003ctd\u003e460 mm\u003c\/td\u003e\u003ctd\u003e6.6 kg\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003cth\u003eNF 6 plus\u003c\/th\u003e\u003ctd\u003e888 305\u003c\/td\u003e\u003ctd\u003e6.5 l\u003c\/td\u003e\u003ctd\u003e10,000 l\u003c\/td\u003e\u003ctd\u003e500 l\u003c\/td\u003e\u003ctd\u003e420 l per hour\u003c\/td\u003e\u003ctd\u003e560 mm\u003c\/td\u003e\u003ctd\u003e9.4 kg\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003cth\u003eNF 12 plus\u003c\/th\u003e\u003ctd\u003e888 311\u003c\/td\u003e\u003ctd\u003e12.5 l\u003c\/td\u003e\u003ctd\u003e24,000 l\u003c\/td\u003e\u003ctd\u003e1,200 l\u003c\/td\u003e\u003ctd\u003e1,000 l per hour\u003c\/td\u003e\u003ctd\u003e1,022 mm\u003c\/td\u003e\u003ctd\u003e23 kg\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003cth\u003eNF 25 plus\u003c\/th\u003e\u003ctd\u003e888 321\u003c\/td\u003e\u003ctd\u003e25 l\u003c\/td\u003e\u003ctd\u003e48,000 l\u003c\/td\u003e\u003ctd\u003e2,400 l\u003c\/td\u003e\u003ctd\u003e1,500 l per hour\u003c\/td\u003e\u003ctd\u003e1,490 mm\u003c\/td\u003e\u003ctd\u003e53.5 kg\u003c\/td\u003e\u003c\/tr\u003e\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003eData from the magnetic technical data sheets (08-2021 and 04-2022). Up to \u003cstrong\u003e2,400 litres at 20 °dH\u003c\/strong\u003e per charge with the NF 25 plus.\u003c\/p\u003e\u003ch3\u003eCompatibility and limits\u003c\/h3\u003e\u003cul\u003e\u003cli\u003eFor closed heating and cooling circuits only; the treated water is not suitable for drinking.\u003c\/li\u003e\u003cli\u003eA permanent connection to the drinking water network requires a \u003cstrong\u003eBA backflow preventer to EN 1717\u003c\/strong\u003e upstream of the station; magnetic supplies it as a separate accessory.\u003c\/li\u003e\u003cli\u003eWith automatic filling by solenoid valve, magnetic recommends a water hammer arrester: a sudden closure exceeds 6 bar.\u003c\/li\u003e\u003cli\u003eActual capacity drops if the mains water contains sulphates, nitrates or chlorides, because the resin removes them too.\u003c\/li\u003e\u003cli\u003eInlet temperature up to 60 °C and pressure up to 6 bar.\u003c\/li\u003e\u003c\/ul\u003e\u003ch3\u003eWhen this product is not the right choice\u003c\/h3\u003e\u003ctable\u003e\u003ctbody\u003e\u003ctr\u003e\u003cth\u003eSituation\u003c\/th\u003e\u003cth\u003eWhat to choose\u003c\/th\u003e\u003cth\u003eDeciding factor\u003c\/th\u003e\u003c\/tr\u003e\u003ctr\u003e\u003cth\u003eOccasional small top-ups\u003c\/th\u003e\u003ctd\u003emagnetic demineralisation cartridge 300, disposable with colour indicator\u003c\/td\u003e\u003ctd\u003e300 litres at 10 °dH per cartridge\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003cth\u003eFirst filling of a large system\u003c\/th\u003e\u003ctd\u003eMobile filling station or filling service with demineralised water\u003c\/td\u003e\u003ctd\u003eThe NF plus is designed for topping up, not for filling in one go\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003cth\u003eOxygen, sludge or low pH with the water already in the system\u003c\/th\u003e\u003ctd\u003emagnetic HWR plus heating water regulator\u003c\/td\u003e\u003ctd\u003eDegasses, filters sludge and stabilises pH in operation\u003c\/td\u003e\u003c\/tr\u003e\u003c\/tbody\u003e\u003c\/table\u003e\u003ch3\u003eFrequently asked questions\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eWhich model do I need?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eIt depends on the litres you top up each year and on water hardness. magnetic suggests the NF 2 plus for up to 250 litres a year, the NF 6 up to 500, the NF 12 up to 2,500 and the NF 25 up to 10,000. Divide the capacity at 1 °dH by the hardness of your water to get the litres per charge.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat is the price?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eOn request. Message us on \u003ca href=\"https:\/\/wa.me\/qtechhouses\" target=\"_blank\" rel=\"noopener\"\u003eWhatsApp\u003c\/a\u003e with the model and we will send you a quote.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat is the delivery time?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eMade to order: we will confirm the lead time before preparing your order.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDo I need a backflow preventer?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eYes, for a permanent connection to the drinking water network. EN 1717 requires a type BA backflow preventer upstream of the station, sold separately.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow do I know the resin is exhausted?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe meter tells you. When conductivity exceeds the limit you set, it warns with a red light and an audible alarm.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCan I install it myself?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eIt is not advisable. A professional makes the connection to the mains and to the circuit, and magnetic states that permanent unsupervised use with a filling hose is not permitted.\u003c\/p\u003e\u003ch3\u003eQ-Tech installation and support\u003c\/h3\u003e\u003cp\u003eIn a pre-assembled plant room, Q-Tech fits the NF plus with the BA backflow preventer, the meter and the valves, tests it in its workshop and the station \u003cstrong\u003earrives tested and ready to connect\u003c\/strong\u003e. More information on \u003ca href=\"\/en-en\/pages\/pre-montaje-avanzado\"\u003ePre-Montaje Avanzado\u003c\/a\u003e.\u003c\/p\u003e\u003cp\u003eIn an existing system, Q-Tech first carries out a verification visit and then connects it with the \u003ca href=\"\/en-en\/products\/tecnico-experto-in-situ-horas\"\u003eon-site hourly Expert Technician\u003c\/a\u003e. To choose the model, book a \u003ca href=\"\/en-en\/products\/expert-technician-remote-technical-call\"\u003etechnical call\u003c\/a\u003e. The guideline values are in our article \u003ca href=\"\/en-en\/blogs\/news\/vdi-2035-agua-aerotermia-calefaccion\"\u003eVDI 2035: water quality in heat pump and heating systems\u003c\/a\u003e and in the \u003ca href=\"\/en-en\/pages\/calculadora-vdi-2035\"\u003eVDI 2035 calculator\u003c\/a\u003e.\u003c\/p\u003e\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\u003ch3\u003eDocumentation\u003c\/h3\u003e\u003cul\u003e\u003cli\u003e\u003ca href=\"https:\/\/www.magnetic-online.de\/fileadmin\/public\/images\/heizungswasser\/nachfuellstationen\/BA_s\/ENG_BA_Nachfuellstation_plus_web.pdf\" target=\"_blank\" rel=\"noopener\"\u003eNF plus refill station manual\u003c\/a\u003e\u003c\/li\u003e\u003cli\u003e\u003ca href=\"https:\/\/www.magnetic-online.de\/fileadmin\/public\/images\/heizungswasser\/nachfuellstationen\/TD_s\/ENG_Technical_Data_Sheet_Refill_Station_2_plus.pdf\" target=\"_blank\" rel=\"noopener\"\u003eNF 2 plus technical data sheet\u003c\/a\u003e\u003c\/li\u003e\u003cli\u003e\u003ca href=\"https:\/\/www.magnetic-online.de\/fileadmin\/public\/images\/heizungswasser\/nachfuellstationen\/TD_s\/ENG_Technical_Data_Sheet_Refill_Station_6_plus.pdf\" target=\"_blank\" rel=\"noopener\"\u003eNF 6 plus technical data sheet\u003c\/a\u003e\u003c\/li\u003e\u003cli\u003e\u003ca href=\"https:\/\/www.magnetic-online.de\/fileadmin\/public\/images\/heizungswasser\/nachfuellstationen\/TD_s\/ENG_Technical_Data_Sheet_Refill_Station_12_plus.pdf\" target=\"_blank\" rel=\"noopener\"\u003eNF 12 plus technical data sheet\u003c\/a\u003e\u003c\/li\u003e\u003cli\u003e\u003ca href=\"https:\/\/www.magnetic-online.de\/fileadmin\/public\/images\/heizungswasser\/nachfuellstationen\/TD_s\/ENG_Technical_Data_Sheet_Refill_Station_25_plus.pdf\" target=\"_blank\" rel=\"noopener\"\u003eNF 25 plus technical data sheet\u003c\/a\u003e\u003c\/li\u003e\u003c\/ul\u003e\u003cp class=\"qt-nota-stock\"\u003e\u003cstrong\u003eAvailability and lead times:\u003c\/strong\u003e made to order. We will confirm the lead time before preparing your order.\u003c\/p\u003e","brand":"magnetic","offers":[{"title":"NF 2 plus","offer_id":59063616143704,"sku":"MAG-888301","price":0.0,"currency_code":"EUR","in_stock":false},{"title":"NF 6 plus","offer_id":59063616176472,"sku":"MAG-888305","price":0.0,"currency_code":"EUR","in_stock":false},{"title":"NF 12 plus","offer_id":59063616209240,"sku":"MAG-888311","price":0.0,"currency_code":"EUR","in_stock":false},{"title":"NF 25 plus","offer_id":59063616242008,"sku":"MAG-888321","price":0.0,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0015\/4592\/8792\/files\/magnetic-nf-2-plus-estacion-rellenado-v4.webp?v=1794081264"},{"product_id":"magnetic-cartucho-desmineralizacion-300-indicador","title":"magnetic demineralisation cartridge 300 with colour indicator, VDI 2035","description":"\u003ch2\u003eDisposable cartridge that tops up your heating system with demineralised water and shows when it is exhausted\u003c\/h2\u003e\u003cp\u003eThe \u003cstrong\u003emagnetic demineralisation cartridge 300\u003c\/strong\u003e connects to the filling hose and supplies \u003cstrong\u003edemineralised water to VDI 2035\u003c\/strong\u003e for small top-ups. The resin changes colour when it is exhausted, with no measuring instruments. Price on request: message us on \u003ca href=\"https:\/\/wa.me\/qtechhouses\" target=\"_blank\" rel=\"noopener\"\u003eWhatsApp\u003c\/a\u003e and we will send you a quote.\u003c\/p\u003e\u003ch3\u003eSummary\u003c\/h3\u003e\u003ctable\u003e\u003ctbody\u003e\u003ctr\u003e\u003cth\u003eType\u003c\/th\u003e\u003ctd\u003eDisposable demineralisation cartridge with mixed bed resin and colour indicator\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003cth\u003eBrand and model\u003c\/th\u003e\u003ctd\u003emagnetic demineralisation cartridge 300 (VEP 300)\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003cth\u003eUse\u003c\/th\u003e\u003ctd\u003eTopping up closed heating and cooling circuits\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003cth\u003eCapacity\u003c\/th\u003e\u003ctd\u003e300 litres at 10 °dH; 3,000 litres at 1 °dH\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003cth\u003eMaximum flow rate\u003c\/th\u003e\u003ctd\u003e5 litres per minute at 3 to 4 bar inlet pressure\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003cth\u003eConnection\u003c\/th\u003e\u003ctd\u003eG ¾ male thread (DN 20)\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003cth\u003eQ-Tech installation\u003c\/th\u003e\u003ctd\u003eFitted with its wall kit in the plant room or during an \u003ca href=\"\/en-en\/products\/tecnico-experto-in-situ-horas\"\u003eon-site Expert Technician\u003c\/a\u003e visit\u003c\/td\u003e\u003c\/tr\u003e\u003c\/tbody\u003e\u003c\/table\u003e\u003ch3\u003eTechnical data\u003c\/h3\u003e\u003ctable\u003e\u003ctbody\u003e\u003ctr\u003e\u003cth\u003eResin\u003c\/th\u003e\u003ctd\u003eMixed bed with indicator: blue and white when new, brown and white when exhausted\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003cth\u003eMaximum filling temperature\u003c\/th\u003e\u003ctd\u003e60 °C\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003cth\u003eMaximum pressure\u003c\/th\u003e\u003ctd\u003e6 bar\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003cth\u003eDimensions\u003c\/th\u003e\u003ctd\u003e450 mm long and 80 mm in diameter\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003cth\u003eWeight\u003c\/th\u003e\u003ctd\u003e2.1 kg\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003cth\u003eAluminium\u003c\/th\u003e\u003ctd\u003eAlso suitable for aluminium heat exchangers, according to magnetic\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003cth\u003eDisposal\u003c\/th\u003e\u003ctd\u003eSingle-use cartridge that goes in household waste\u003c\/td\u003e\u003c\/tr\u003e\u003c\/tbody\u003e\u003c\/table\u003e\u003ch3\u003eConfigurations\u003c\/h3\u003e\u003ctable\u003e\u003ctbody\u003e\u003ctr\u003e\u003cth\u003eConfiguration\u003c\/th\u003e\u003cth\u003eReferences\u003c\/th\u003e\u003cth\u003eIncludes\u003c\/th\u003e\u003c\/tr\u003e\u003ctr\u003e\u003cth\u003eCartridge only\u003c\/th\u003e\u003ctd\u003e888132\u003c\/td\u003e\u003ctd\u003eDemineralisation cartridge 300\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003cth\u003eWith mounting kit\u003c\/th\u003e\u003ctd\u003e888132 and 888135\u003c\/td\u003e\u003ctd\u003eCartridge and wall bracket with ball valve\u003c\/td\u003e\u003c\/tr\u003e\u003c\/tbody\u003e\u003c\/table\u003e\u003ch3\u003eCompatibility and limits\u003c\/h3\u003e\u003cul\u003e\u003cli\u003eFor closed heating and cooling circuits; EN 1717 must be observed when filling.\u003c\/li\u003e\u003cli\u003eWith water at 20 °dH it gives about 150 litres, so \u003cstrong\u003eit suits small top-ups\u003c\/strong\u003e.\u003c\/li\u003e\u003cli\u003eFor frequent top-ups or large systems, the permanent magnetic NF plus station is better value.\u003c\/li\u003e\u003c\/ul\u003e\u003ch3\u003eFrequently asked questions\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eHow many litres does it give?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eDivide 3,000 by the hardness of your water in °dH. At 10 °dH it gives 300 litres, according to magnetic.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat is the price?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eOn request. Message us on \u003ca href=\"https:\/\/wa.me\/qtechhouses\" target=\"_blank\" rel=\"noopener\"\u003eWhatsApp\u003c\/a\u003e and we will send you a quote.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat is the delivery time?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eMade to order: we will confirm the lead time before preparing your order.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCan it be refilled?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eNo. It is a disposable cartridge: when the resin turns brown, replace it with a new one.\u003c\/p\u003e\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\u003ch3\u003eDocumentation\u003c\/h3\u003e\u003cul\u003e\u003cli\u003e\u003ca href=\"https:\/\/www.magnetic-online.de\/fileadmin\/public\/images\/heizungswasser\/patrone\/TD_s\/ENG_Technical_Data_Sheet_VEP_300.pdf\" target=\"_blank\" rel=\"noopener\"\u003eCartridge 300 technical data sheet\u003c\/a\u003e\u003c\/li\u003e\u003c\/ul\u003e\u003cp class=\"qt-nota-stock\"\u003e\u003cstrong\u003eAvailability and lead times:\u003c\/strong\u003e made to order. We will confirm the lead time before preparing your order.\u003c\/p\u003e","brand":"magnetic","offers":[{"title":"Cartridge only","offer_id":59063652188504,"sku":"MAG-888132","price":0.0,"currency_code":"EUR","in_stock":false},{"title":"With mounting kit","offer_id":59063652221272,"sku":"MAG-888132-888135","price":0.0,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0015\/4592\/8792\/files\/magnetic-cartucho-desmineralizacion-300.webp?v=1794070280"},{"product_id":"magnetic-hwr-compact-plus-regulador-agua-calefaccion","title":"magnetic HWR compact plus heating water regulator for up to 500 l","description":"\u003ch2\u003eCompact regulator that degasses, filters sludge and stabilises pH in diffusion-tight systems\u003c\/h2\u003e\u003cp\u003eThe \u003cstrong\u003emagnetic HWR compact plus\u003c\/strong\u003e combines \u003cstrong\u003edegasser, magnetic filter and magnesium anode\u003c\/strong\u003e in one unit for diffusion-tight systems of up to 500 litres. Q-Tech integrates it into the pre-assembled plant room next to the heat generator. Price on request: message us on \u003ca href=\"https:\/\/wa.me\/qtechhouses\" target=\"_blank\" rel=\"noopener\"\u003eWhatsApp\u003c\/a\u003e and we will send you a quote.\u003c\/p\u003e\u003ch3\u003eSummary\u003c\/h3\u003e\u003ctable\u003e\u003ctbody\u003e\u003ctr\u003e\u003cth\u003eType\u003c\/th\u003e\u003ctd\u003eElectrochemical heating water regulator\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003cth\u003eBrand and model\u003c\/th\u003e\u003ctd\u003emagnetic HWR compact plus (888183)\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003cth\u003eUse\u003c\/th\u003e\u003ctd\u003eProtection against corrosion and sludge in closed heating and cooling circuits, to VDI 2035\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003cth\u003eSystem water content\u003c\/th\u003e\u003ctd\u003eUp to 500 litres, diffusion-tight systems only\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003cth\u003eFlow rate\u003c\/th\u003e\u003ctd\u003eUp to 3 m³ per hour\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003cth\u003eConnection\u003c\/th\u003e\u003ctd\u003eG ¾, with two ball valves included\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003cth\u003ePower supply\u003c\/th\u003e\u003ctd\u003eNo mains power: it works with the anode's own galvanic current\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003cth\u003eQ-Tech installation\u003c\/th\u003e\u003ctd\u003eAssembled and tested in the \u003ca href=\"\/en-en\/pages\/pre-montaje-avanzado\"\u003epre-assembled plant room\u003c\/a\u003e or connected on-site\u003c\/td\u003e\u003c\/tr\u003e\u003c\/tbody\u003e\u003c\/table\u003e\u003ch3\u003eWhat is the magnetic HWR compact plus?\u003c\/h3\u003e\u003cp\u003eThe magnetic HWR compact plus from magnetic is a heating water regulator for diffusion-tight systems of up to 500 litres that removes gases, separates sludge and raises pH above 8.2. It fits in the main flow or main return of the heating system.\u003c\/p\u003e\u003ch3\u003eHow it works\u003c\/h3\u003e\u003cp\u003eMicro bubbles merge in the filter, rise into a calm zone and leave through the automatic air vent. A magnesium-manganese anode consumes dissolved oxygen and keeps \u003cstrong\u003epH above 8.2\u003c\/strong\u003e. A gravity filter and a high-power magnet in the insulation hold back magnetite, which is flushed out through the drain tap.\u003c\/p\u003e\u003ch3\u003eWhat problem does it solve?\u003c\/h3\u003e\u003cp\u003eOxygen enters with every top-up, through screwed joints and through a badly adjusted expansion vessel. With oxygen come rust and sludge, pH drops and the water becomes aggressive.\u003c\/p\u003e\u003cp\u003eAccording to magnetic, sludge blocks valves and pumps, corrodes heat exchangers and radiators and worsens heat transfer. The HWR compact plus tackles all three causes without adding chemicals.\u003c\/p\u003e\u003ch3\u003eTechnical data\u003c\/h3\u003e\u003ctable\u003e\u003ctbody\u003e\u003ctr\u003e\u003cth\u003eSystem water content\u003c\/th\u003e\u003ctd\u003eLess than 500 l, diffusion-tight systems\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003cth\u003eFlow rate\u003c\/th\u003e\u003ctd\u003eLess than 3 m³ per hour\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003cth\u003eConnection\u003c\/th\u003e\u003ctd\u003eG ¾\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003cth\u003eMaximum pressure\u003c\/th\u003e\u003ctd\u003e6 bar\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003cth\u003eMaximum temperature\u003c\/th\u003e\u003ctd\u003e90 °C\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003cth\u003eWeight with valves\u003c\/th\u003e\u003ctd\u003e4.85 kg\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003cth\u003eLength with valves\u003c\/th\u003e\u003ctd\u003e305 mm\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003cth\u003eWidth without valves\u003c\/th\u003e\u003ctd\u003e170 mm\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003cth\u003eHeight\u003c\/th\u003e\u003ctd\u003e365 mm with air vent; 248 mm without air vent\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003cth\u003eTop clearance\u003c\/th\u003e\u003ctd\u003e80 mm to change the anode\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003cth\u003eDrain\u003c\/th\u003e\u003ctd\u003eG ¾ male\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003cth\u003eVessel and insulation\u003c\/th\u003e\u003ctd\u003eV4A stainless steel and rigid polyurethane foam\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003cth\u003eAnode indicator\u003c\/th\u003e\u003ctd\u003eNot included\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003cth\u003eIncludes\u003c\/th\u003e\u003ctd\u003eBrass head, vessel, insulation with magnet, 2 G ¾ ball valves and ½ drain tap\u003c\/td\u003e\u003c\/tr\u003e\u003c\/tbody\u003e\u003c\/table\u003e\u003ch3\u003eCompatibility and limits\u003c\/h3\u003e\u003cul\u003e\u003cli\u003eFor \u003cstrong\u003ediffusion-tight systems up to 500 litres\u003c\/strong\u003e only; with plastic pipes without an oxygen barrier, magnetic specifies the HWR plus.\u003c\/li\u003e\u003cli\u003eDemineralised filling water at 10 to 100 µS per cm; magnetic advises against softened water.\u003c\/li\u003e\u003cli\u003eNo inhibitors or antifreeze with additives; chemically pure ethylene glycol is accepted with an annual pH check.\u003c\/li\u003e\u003cli\u003epH may rise above 9: check whether the system contains aluminium.\u003c\/li\u003e\u003cli\u003eThe treated water is not suitable for drinking.\u003c\/li\u003e\u003c\/ul\u003e\u003ch3\u003eWhen this product is not the right choice\u003c\/h3\u003e\u003ctable\u003e\u003ctbody\u003e\u003ctr\u003e\u003cth\u003eSituation\u003c\/th\u003e\u003cth\u003eWhat to choose\u003c\/th\u003e\u003cth\u003eDeciding factor\u003c\/th\u003e\u003c\/tr\u003e\u003ctr\u003e\u003cth\u003ePlastic pipes without an oxygen barrier\u003c\/th\u003e\u003ctd\u003emagnetic HWR plus 10\u003c\/td\u003e\u003ctd\u003eSuitable for diffusion-open systems, with anode indicator\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003cth\u003eMore than 500 litres of water\u003c\/th\u003e\u003ctd\u003emagnetic HWR plus 15 or 25\u003c\/td\u003e\u003ctd\u003eUp to 1,500 or 5,000 litres\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003cth\u003eUntreated filling water\u003c\/th\u003e\u003ctd\u003emagnetic NF plus or demineralisation cartridge 300\u003c\/td\u003e\u003ctd\u003eThe water must be demineralised first\u003c\/td\u003e\u003c\/tr\u003e\u003c\/tbody\u003e\u003c\/table\u003e\u003ch3\u003eFrequently asked questions\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eWhich size do I need?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eMultiply the output in kW by 20 to get the system water content, according to magnetic. The compact plus suits up to 500 litres in a diffusion-tight system; if in doubt, magnetic recommends the larger unit.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow often is the anode replaced?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eAccording to magnetic, it lasts 2 to 6 years, and the manual asks for replacement at least every 2 years.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow often is the sludge flushed out?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eNo more than twice per heating season and no less than once every two years, depending on the amount of sludge.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat is the price?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eOn request. Message us on \u003ca href=\"https:\/\/wa.me\/qtechhouses\" target=\"_blank\" rel=\"noopener\"\u003eWhatsApp\u003c\/a\u003e and we will send you a quote.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat is the delivery time?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eMade to order: we will confirm the lead time before preparing your order.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCan I install it myself?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eNo. magnetic states that only specialist personnel should commission it.\u003c\/p\u003e\u003ch3\u003eQ-Tech installation and support\u003c\/h3\u003e\u003cp\u003eIn a pre-assembled plant room, Q-Tech fits the regulator with its valves and maintenance clearance, tests it in its workshop and it \u003cstrong\u003earrives ready to connect\u003c\/strong\u003e. More information on \u003ca href=\"\/en-en\/pages\/pre-montaje-avanzado\"\u003ePre-Montaje Avanzado\u003c\/a\u003e.\u003c\/p\u003e\u003cp\u003eIn an existing system, Q-Tech first carries out a verification visit and then connects it with the \u003ca href=\"\/en-en\/products\/tecnico-experto-in-situ-horas\"\u003eon-site hourly Expert Technician\u003c\/a\u003e. To choose the size, book a \u003ca href=\"\/en-en\/products\/expert-technician-remote-technical-call\"\u003etechnical call\u003c\/a\u003e or read our article \u003ca href=\"\/en-en\/blogs\/news\/vdi-2035-agua-aerotermia-calefaccion\"\u003eVDI 2035: water quality in heat pump and heating systems\u003c\/a\u003e.\u003c\/p\u003e\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\u003ch3\u003eDocumentation\u003c\/h3\u003e\u003cul\u003e\u003cli\u003e\u003ca href=\"https:\/\/www.magnetic-online.de\/fileadmin\/public\/images\/heizungswasser\/hwr\/BA_s\/ENG_BA_magnetic_HWR_compact_plus_web.pdf\" target=\"_blank\" rel=\"noopener\"\u003eHWR compact plus manual\u003c\/a\u003e\u003c\/li\u003e\u003cli\u003e\u003ca href=\"https:\/\/www.magnetic-online.de\/fileadmin\/public\/images\/heizungswasser\/hwr\/TD_s\/DE_Technisches_Datenblatt_HWR_compact_plus.pdf\" target=\"_blank\" rel=\"noopener\"\u003eHWR compact plus technical data sheet (in German)\u003c\/a\u003e\u003c\/li\u003e\u003c\/ul\u003e\u003cp class=\"qt-nota-stock\"\u003e\u003cstrong\u003eAvailability and lead times:\u003c\/strong\u003e made to order. We will confirm the lead time before preparing your order.\u003c\/p\u003e","brand":"magnetic","offers":[{"title":"Default Title","offer_id":59063652286808,"sku":"MAG-888183","price":0.0,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0015\/4592\/8792\/files\/magnetic-hwr-compact-plus-vista-1.webp?v=1794080185"},{"product_id":"magnetic-hwr-plus-10-15-25-regulador-agua-calefaccion","title":"magnetic HWR plus 10, 15 and 25 heating water regulator, VDI 2035","description":"\u003ch2\u003eWater regulator that degasses, filters sludge and protects your heating system from oxygen\u003c\/h2\u003e\u003cp\u003eThe \u003cstrong\u003emagnetic HWR plus\u003c\/strong\u003e combines \u003cstrong\u003edegasser, magnetic filter and magnesium anode\u003c\/strong\u003e for systems of up to 5,000 litres, including underfloor heating with plastic pipe. Q-Tech integrates it into the pre-assembled plant room with its valves and maintenance clearance. Price on request: message us on \u003ca href=\"https:\/\/wa.me\/qtechhouses\" target=\"_blank\" rel=\"noopener\"\u003eWhatsApp\u003c\/a\u003e and we will send you a quote.\u003c\/p\u003e\u003ch3\u003eSummary\u003c\/h3\u003e\u003ctable\u003e\u003ctbody\u003e\u003ctr\u003e\u003cth\u003eType\u003c\/th\u003e\u003ctd\u003eElectrochemical heating water regulator with anode indicator\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003cth\u003eBrand and model\u003c\/th\u003e\u003ctd\u003emagnetic HWR plus: HWR 10, 15 and 25 plus\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003cth\u003eUse\u003c\/th\u003e\u003ctd\u003eProtection against corrosion and sludge in closed circuits, to VDI 2035\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003cth\u003eSystem water content\u003c\/th\u003e\u003ctd\u003eUp to 500, 1,500 or 5,000 litres depending on the model\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003cth\u003eFlow rate\u003c\/th\u003e\u003ctd\u003eUp to 3, 5 or 7 m³ per hour\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003cth\u003eConnection\u003c\/th\u003e\u003ctd\u003eG 1 on the HWR 10 plus; G 1½ on the 15 and 25 plus\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003cth\u003ePower supply\u003c\/th\u003e\u003ctd\u003eNo mains power: it works with the anode's own galvanic current\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003cth\u003eQ-Tech installation\u003c\/th\u003e\u003ctd\u003eAssembled and tested in the \u003ca href=\"\/en-en\/pages\/pre-montaje-avanzado\"\u003epre-assembled plant room\u003c\/a\u003e or connected on-site\u003c\/td\u003e\u003c\/tr\u003e\u003c\/tbody\u003e\u003c\/table\u003e\u003ch3\u003eWhat is the magnetic HWR plus?\u003c\/h3\u003e\u003cp\u003eThe magnetic HWR plus from magnetic is a heating water regulator that removes gases, separates magnetite and raises pH above 8.2 without chemicals. It fits in the main flow or main return, and an indicator shows the anode activity.\u003c\/p\u003e\u003ch3\u003eHow it works\u003c\/h3\u003e\u003cp\u003eMicro bubbles merge in the filter and leave through the automatic air vent. The magnesium-manganese anode consumes dissolved oxygen and keeps pH above 8.2; the indicator shows the current between anode and cathode. A gravity filter and a removable magnet hold back the sludge, which \u003cstrong\u003eis flushed out without stopping the heating\u003c\/strong\u003e.\u003c\/p\u003e\u003ch3\u003eWhat problem does it solve?\u003c\/h3\u003e\u003cp\u003eUnderfloor heating with plastic pipe without a barrier lets oxygen in continuously, even when the circuit is under pressure. That oxygen forms rust and sludge, lowers pH and attacks pumps, valves and heat exchangers.\u003c\/p\u003e\u003cp\u003eAccording to magnetic, sludge also damages heat meters and causes flow noise. The HWR plus is designed for these diffusion-open systems and for low-temperature heat pumps.\u003c\/p\u003e\u003ch3\u003eTechnical data\u003c\/h3\u003e\u003ctable\u003e\u003ctbody\u003e\u003ctr\u003e\u003cth\u003eMaximum pressure\u003c\/th\u003e\u003ctd\u003e10 bar\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003cth\u003eMaximum temperature\u003c\/th\u003e\u003ctd\u003e90 °C\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003cth\u003eVessel\u003c\/th\u003e\u003ctd\u003eV4A stainless steel\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003cth\u003eCasing\u003c\/th\u003e\u003ctd\u003ePowder-coated sheet steel with fleece insulation\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003cth\u003eDrain\u003c\/th\u003e\u003ctd\u003eG ¾\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003cth\u003eBottom clearance\u003c\/th\u003e\u003ctd\u003e210 mm for flushing out sludge\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003cth\u003eIncludes\u003c\/th\u003e\u003ctd\u003eAir vent, anode indicator, insulated vessel, unions, high-power magnet and drain tap\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003cth\u003eNot included\u003c\/th\u003e\u003ctd\u003eShut-off valves: G 1 ref. 888 350 for the HWR 10 plus; G 1½ ref. 888 351 for the 15 and 25 plus\u003c\/td\u003e\u003c\/tr\u003e\u003c\/tbody\u003e\u003c\/table\u003e\u003ch3\u003eModels and data by variant\u003c\/h3\u003e\u003ctable\u003e\u003ctbody\u003e\u003ctr\u003e\u003cth\u003eModel\u003c\/th\u003e\u003cth\u003eReference\u003c\/th\u003e\u003cth\u003eSystem water content\u003c\/th\u003e\u003cth\u003eIndicative output\u003c\/th\u003e\u003cth\u003eFlow rate\u003c\/th\u003e\u003cth\u003eConnection\u003c\/th\u003e\u003cth\u003eTotal height\u003c\/th\u003e\u003cth\u003eTop clearance\u003c\/th\u003e\u003cth\u003eShipping weight\u003c\/th\u003e\u003c\/tr\u003e\u003ctr\u003e\u003cth\u003eHWR 10 plus\u003c\/th\u003e\u003ctd\u003e888180\u003c\/td\u003e\u003ctd\u003eUp to 500 l\u003c\/td\u003e\u003ctd\u003eUp to 25 kW\u003c\/td\u003e\u003ctd\u003e3 m³ per hour\u003c\/td\u003e\u003ctd\u003eG 1\u003c\/td\u003e\u003ctd\u003e440 mm\u003c\/td\u003e\u003ctd\u003e200 mm\u003c\/td\u003e\u003ctd\u003e7.55 kg\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003cth\u003eHWR 15 plus\u003c\/th\u003e\u003ctd\u003e888181\u003c\/td\u003e\u003ctd\u003eUp to 1,500 l\u003c\/td\u003e\u003ctd\u003eUp to 75 kW\u003c\/td\u003e\u003ctd\u003e5 m³ per hour\u003c\/td\u003e\u003ctd\u003eG 1½\u003c\/td\u003e\u003ctd\u003e600 mm\u003c\/td\u003e\u003ctd\u003e400 mm\u003c\/td\u003e\u003ctd\u003e23.9 kg\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003cth\u003eHWR 25 plus\u003c\/th\u003e\u003ctd\u003e888182\u003c\/td\u003e\u003ctd\u003eUp to 5,000 l\u003c\/td\u003e\u003ctd\u003eUp to 250 kW\u003c\/td\u003e\u003ctd\u003e7 m³ per hour\u003c\/td\u003e\u003ctd\u003eG 1½\u003c\/td\u003e\u003ctd\u003e750 mm\u003c\/td\u003e\u003ctd\u003e400 mm\u003c\/td\u003e\u003ctd\u003e27.65 kg\u003c\/td\u003e\u003c\/tr\u003e\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003eData from the magnetic manual (11-2024) and its technical data sheets (06-2021), which give slightly different dimensions. Up to \u003cstrong\u003e5,000 litres with the HWR 25 plus\u003c\/strong\u003e.\u003c\/p\u003e\u003ch3\u003eCompatibility and limits\u003c\/h3\u003e\u003cul\u003e\u003cli\u003eDemineralised filling water at 10 to 100 µS per cm; magnetic advises against softened water.\u003c\/li\u003e\u003cli\u003eNo inhibitors or antifreeze with additives; chemically pure ethylene glycol is accepted with an annual pH check.\u003c\/li\u003e\u003cli\u003epH may rise above 9: check whether the system contains aluminium.\u003c\/li\u003e\u003cli\u003eIn low-temperature heat pump systems, magnetic recommends fitting it in the main flow.\u003c\/li\u003e\u003cli\u003eThe \u003cstrong\u003eshut-off valves are sold separately\u003c\/strong\u003e.\u003c\/li\u003e\u003c\/ul\u003e\u003ch3\u003eWhen this product is not the right choice\u003c\/h3\u003e\u003ctable\u003e\u003ctbody\u003e\u003ctr\u003e\u003cth\u003eSituation\u003c\/th\u003e\u003cth\u003eWhat to choose\u003c\/th\u003e\u003cth\u003eDeciding factor\u003c\/th\u003e\u003c\/tr\u003e\u003ctr\u003e\u003cth\u003eSmall diffusion-tight system\u003c\/th\u003e\u003ctd\u003emagnetic HWR compact plus\u003c\/td\u003e\u003ctd\u003eUp to 500 litres, more compact and without indicator\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003cth\u003eMore than 5,000 litres\u003c\/th\u003e\u003ctd\u003emagnetic HWR plus 50 or 100\u003c\/td\u003e\u003ctd\u003eUp to 15,000 or 35,000 litres, bypass installation\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003cth\u003eUntreated filling water\u003c\/th\u003e\u003ctd\u003emagnetic NF plus or demineralisation cartridge 300\u003c\/td\u003e\u003ctd\u003eThe water must be demineralised first\u003c\/td\u003e\u003c\/tr\u003e\u003c\/tbody\u003e\u003c\/table\u003e\u003ch3\u003eFrequently asked questions\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eWhich model do I need?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eMultiply the output in kW by 20 to get the system water content, according to magnetic. Choose the model whose limit exceeds that volume and, if in doubt, the larger one.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow often is the anode replaced?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eAccording to magnetic, it lasts 2 to 6 years; check the anode at least every 2 years. The indicator helps you see when it is working little.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow often is the sludge flushed out?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eNo more than twice per heating season and no less than once every two years, depending on the amount of sludge.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat is the price?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eOn request. Message us on \u003ca href=\"https:\/\/wa.me\/qtechhouses\" target=\"_blank\" rel=\"noopener\"\u003eWhatsApp\u003c\/a\u003e with the model and we will send you a quote.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat is the delivery time?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eMade to order: we will confirm the lead time before preparing your order.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCan I install it myself?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eNo. magnetic states that only specialist personnel should commission it.\u003c\/p\u003e\u003ch3\u003eQ-Tech installation and support\u003c\/h3\u003e\u003cp\u003eIn a pre-assembled plant room, Q-Tech fits the HWR plus with its valves and clearance to change the anode, tests it in its workshop and it \u003cstrong\u003earrives ready to connect\u003c\/strong\u003e. More information on \u003ca href=\"\/en-en\/pages\/pre-montaje-avanzado\"\u003ePre-Montaje Avanzado\u003c\/a\u003e.\u003c\/p\u003e\u003cp\u003eIn an existing system, Q-Tech first carries out a verification visit and then connects it with the \u003ca href=\"\/en-en\/products\/tecnico-experto-in-situ-horas\"\u003eon-site hourly Expert Technician\u003c\/a\u003e. To choose the size, book a \u003ca href=\"\/en-en\/products\/expert-technician-remote-technical-call\"\u003etechnical call\u003c\/a\u003e or read our article \u003ca href=\"\/en-en\/blogs\/news\/vdi-2035-agua-aerotermia-calefaccion\"\u003eVDI 2035: water quality in heat pump and heating systems\u003c\/a\u003e.\u003c\/p\u003e\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\u003ch3\u003eDocumentation\u003c\/h3\u003e\u003cul\u003e\u003cli\u003e\u003ca href=\"https:\/\/www.magnetic-online.de\/fileadmin\/public\/images\/heizungswasser\/hwr\/BA_s\/DE_ENG_BA_HWR_PLUS_WEB.pdf\" target=\"_blank\" rel=\"noopener\"\u003eHWR 10, 15 and 25 plus manual (German and English)\u003c\/a\u003e\u003c\/li\u003e\u003cli\u003e\u003ca href=\"https:\/\/www.magnetic-online.de\/fileadmin\/public\/images\/heizungswasser\/hwr\/TD_s\/ENG_Technical_Data_Sheet_HWR_10_plus.pdf\" target=\"_blank\" rel=\"noopener\"\u003eHWR 10 plus technical data sheet\u003c\/a\u003e\u003c\/li\u003e\u003cli\u003e\u003ca href=\"https:\/\/www.magnetic-online.de\/fileadmin\/public\/images\/heizungswasser\/hwr\/TD_s\/ENG_Technical_Data_Sheet_HWR_15_plus.pdf\" target=\"_blank\" rel=\"noopener\"\u003eHWR 15 plus technical data sheet\u003c\/a\u003e\u003c\/li\u003e\u003cli\u003e\u003ca href=\"https:\/\/www.magnetic-online.de\/fileadmin\/public\/images\/heizungswasser\/hwr\/TD_s\/ENG_Technical_Data_Sheet_HWR_25_plus.pdf\" target=\"_blank\" rel=\"noopener\"\u003eHWR 25 plus technical data sheet\u003c\/a\u003e\u003c\/li\u003e\u003c\/ul\u003e\u003cp class=\"qt-nota-stock\"\u003e\u003cstrong\u003eAvailability and lead times:\u003c\/strong\u003e made to order. We will confirm the lead time before preparing your order.\u003c\/p\u003e","brand":"magnetic","offers":[{"title":"HWR 10 plus","offer_id":59063652319576,"sku":"MAG-888180","price":0.0,"currency_code":"EUR","in_stock":false},{"title":"HWR 15 plus","offer_id":59063652352344,"sku":"MAG-888181","price":0.0,"currency_code":"EUR","in_stock":false},{"title":"HWR 25 plus","offer_id":59063652385112,"sku":"MAG-888182","price":0.0,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0015\/4592\/8792\/files\/magnetic-hwr-10-plus.webp?v=1794078176"},{"product_id":"magnetic-hwr-plus-50-100-regulador-agua-calefaccion-bypass","title":"magnetic HWR plus 50 and 100 bypass heating water regulator, VDI 2035","description":"\u003ch2\u003eBypass water regulator for large heating systems of up to 35,000 litres\u003c\/h2\u003e\u003cp\u003eThe \u003cstrong\u003emagnetic HWR plus 50 and 100\u003c\/strong\u003e treats the water of large buildings, networks and boiler rooms in a \u003cstrong\u003ebypass set to 10 litres per minute\u003c\/strong\u003e, with connection kit and water meter included. Q-Tech integrates it into the pre-assembled plant room with the feed pump and valves. Price on request: message us on \u003ca href=\"https:\/\/wa.me\/qtechhouses\" target=\"_blank\" rel=\"noopener\"\u003eWhatsApp\u003c\/a\u003e and we will send you a quote.\u003c\/p\u003e\u003ch3\u003eSummary\u003c\/h3\u003e\u003ctable\u003e\u003ctbody\u003e\u003ctr\u003e\u003cth\u003eType\u003c\/th\u003e\u003ctd\u003eElectrochemical heating water regulator for bypass installation\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003cth\u003eBrand and model\u003c\/th\u003e\u003ctd\u003emagnetic HWR 50 plus and HWR 100 plus\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003cth\u003eUse\u003c\/th\u003e\u003ctd\u003eProtection against corrosion and sludge in large closed circuits, to VDI 2035\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003cth\u003eSystem volume\u003c\/th\u003e\u003ctd\u003eUp to 15,000 or 35,000 litres, excluding the buffer tank\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003cth\u003eInstallation\u003c\/th\u003e\u003ctd\u003eFloor-standing, in bypass, with flow set to 10 litres per minute\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003cth\u003eConnection\u003c\/th\u003e\u003ctd\u003eBottom inlet and top outlet G 1\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003cth\u003eIncludes\u003c\/th\u003e\u003ctd\u003eComplete connection kit and water meter\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003cth\u003eQ-Tech installation\u003c\/th\u003e\u003ctd\u003eAssembled and tested in the \u003ca href=\"\/en-en\/pages\/pre-montaje-avanzado\"\u003epre-assembled plant room\u003c\/a\u003e or connected on-site\u003c\/td\u003e\u003c\/tr\u003e\u003c\/tbody\u003e\u003c\/table\u003e\u003ch3\u003eWhat is the magnetic HWR plus 50 and 100?\u003c\/h3\u003e\u003cp\u003eThe magnetic HWR plus 50 and 100 from magnetic is a water regulator for large heating systems that works in bypass. It removes gases, separates magnetite and stabilises pH with a magnesium-manganese anode, with an activity indicator.\u003c\/p\u003e\u003ch3\u003eHow it is sized\u003c\/h3\u003e\u003cp\u003emagnetic estimates the volume at about 18.5 litres per kW with underfloor heating and about 12 litres per kW with radiators. In old systems with a new heat generator, it advises adding 20 % to the output. The HWR 50 plus covers up to 15,000 litres and the \u003cstrong\u003eHWR 100 plus up to 35,000 litres\u003c\/strong\u003e.\u003c\/p\u003e\u003ch3\u003eWhat problem does it solve?\u003c\/h3\u003e\u003cp\u003eIn a large system, oxygen enters through many joints, valves and lengths of plastic pipe. With it come rust and sludge, which block control valves, pumps and heat meters.\u003c\/p\u003e\u003cp\u003eTreating the full flow would be costly and unnecessary: the HWR plus 50 and 100 treats a constant share of the water in bypass and, over time, the whole volume passes through it, without stopping the system.\u003c\/p\u003e\u003ch3\u003eTechnical data\u003c\/h3\u003e\u003ctable\u003e\u003ctbody\u003e\u003ctr\u003e\u003cth\u003eMaximum temperature\u003c\/th\u003e\u003ctd\u003e90 °C\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003cth\u003eOperating pressure\u003c\/th\u003e\u003ctd\u003e6 bar\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003cth\u003eTest pressure\u003c\/th\u003e\u003ctd\u003e10 bar\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003cth\u003eVessel\u003c\/th\u003e\u003ctd\u003eV4A stainless steel\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003cth\u003eCasing and insulation\u003c\/th\u003e\u003ctd\u003eAlu-Dibond and HT Armaflex\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003cth\u003eBypass flow rate\u003c\/th\u003e\u003ctd\u003e10 litres per minute, with automatic flow regulating valve\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003cth\u003eBypass supply\u003c\/th\u003e\u003ctd\u003e1-inch pipe and fixed-speed feed pump, supplied on site\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003cth\u003eKit included\u003c\/th\u003e\u003ctd\u003eG 1 ball valve, tee, ½ fill and drain valve, nipples, plug, reducer, elbow, ¾ water meter and flow regulating valve\u003c\/td\u003e\u003c\/tr\u003e\u003c\/tbody\u003e\u003c\/table\u003e\u003ch3\u003eModels and data by variant\u003c\/h3\u003e\u003ctable\u003e\u003ctbody\u003e\u003ctr\u003e\u003cth\u003eModel\u003c\/th\u003e\u003cth\u003eReference\u003c\/th\u003e\u003cth\u003eMaximum volume\u003c\/th\u003e\u003cth\u003eDiameter\u003c\/th\u003e\u003cth\u003eWidth with pipes\u003c\/th\u003e\u003cth\u003eTotal height\u003c\/th\u003e\u003cth\u003eOutlet height\u003c\/th\u003e\u003cth\u003eDepth with valve\u003c\/th\u003e\u003cth\u003eTop clearance\u003c\/th\u003e\u003c\/tr\u003e\u003ctr\u003e\u003cth\u003eHWR 50 plus\u003c\/th\u003e\u003ctd\u003eTo be confirmed\u003c\/td\u003e\u003ctd\u003e15,000 l\u003c\/td\u003e\u003ctd\u003e370 mm\u003c\/td\u003e\u003ctd\u003e403.5 mm\u003c\/td\u003e\u003ctd\u003e1,060 mm\u003c\/td\u003e\u003ctd\u003e745.5 mm\u003c\/td\u003e\u003ctd\u003e460 mm\u003c\/td\u003e\u003ctd\u003e1,000 mm\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003cth\u003eHWR 100 plus\u003c\/th\u003e\u003ctd\u003e888 187\u003c\/td\u003e\u003ctd\u003e35,000 l\u003c\/td\u003e\u003ctd\u003e370 mm\u003c\/td\u003e\u003ctd\u003e403.5 mm\u003c\/td\u003e\u003ctd\u003e1,210 mm\u003c\/td\u003e\u003ctd\u003e895.5 mm\u003c\/td\u003e\u003ctd\u003e460 mm\u003c\/td\u003e\u003ctd\u003e1,000 mm\u003c\/td\u003e\u003c\/tr\u003e\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003eData from the magnetic technical data sheet (06-2021). On both models the inlet is 295.5 mm above the floor.\u003c\/p\u003e\u003ch3\u003eCompatibility and limits\u003c\/h3\u003e\u003cul\u003e\u003cli\u003eThe site provides the 1-inch tapping, the ¾ outlet and a feed pump \u003cstrong\u003ewithout speed control\u003c\/strong\u003e, running together with the circulation pump.\u003c\/li\u003e\u003cli\u003eDemineralised filling water; magnetic advises against softened water and inhibitors.\u003c\/li\u003e\u003cli\u003epH may rise above 9: check whether the system contains aluminium.\u003c\/li\u003e\u003cli\u003eLeave 1,000 mm clear above for maintenance.\u003c\/li\u003e\u003c\/ul\u003e\u003ch3\u003eWhen this product is not the right choice\u003c\/h3\u003e\u003ctable\u003e\u003ctbody\u003e\u003ctr\u003e\u003cth\u003eSituation\u003c\/th\u003e\u003cth\u003eWhat to choose\u003c\/th\u003e\u003cth\u003eDeciding factor\u003c\/th\u003e\u003c\/tr\u003e\u003ctr\u003e\u003cth\u003eSystem of up to 5,000 litres\u003c\/th\u003e\u003ctd\u003emagnetic HWR plus 10, 15 or 25\u003c\/td\u003e\u003ctd\u003eIn-line installation, no bypass pump\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003cth\u003eUntreated filling water\u003c\/th\u003e\u003ctd\u003emagnetic NF plus\u003c\/td\u003e\u003ctd\u003eThe water must be demineralised first\u003c\/td\u003e\u003c\/tr\u003e\u003c\/tbody\u003e\u003c\/table\u003e\u003ch3\u003eFrequently asked questions\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eWhich model do I need?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eCalculate the system volume without the buffer tank. Up to 15,000 litres, the HWR 50 plus; up to 35,000 litres, the HWR 100 plus.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat is included?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe regulator, the water meter and the connection kit with all the valves needed. The feed pump and the pipe tappings are supplied on site.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat is the price?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eOn request. Message us on \u003ca href=\"https:\/\/wa.me\/qtechhouses\" target=\"_blank\" rel=\"noopener\"\u003eWhatsApp\u003c\/a\u003e with the model and we will send you a quote.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat is the delivery time?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eMade to order: we will confirm the lead time before preparing your order.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCan I install it myself?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eNo. magnetic states that only specialist personnel should commission it.\u003c\/p\u003e\u003ch3\u003eQ-Tech installation and support\u003c\/h3\u003e\u003cp\u003eIn a pre-assembled plant room, Q-Tech fits the regulator with its bypass, pump and meter, sets the flow and tests it in its workshop: it \u003cstrong\u003earrives ready to connect\u003c\/strong\u003e. More information on \u003ca href=\"\/en-en\/pages\/pre-montaje-avanzado\"\u003ePre-Montaje Avanzado\u003c\/a\u003e.\u003c\/p\u003e\u003cp\u003eIn an existing system, Q-Tech first carries out a verification visit and then connects it with the \u003ca href=\"\/en-en\/products\/tecnico-experto-in-situ-horas\"\u003eon-site Expert Technician\u003c\/a\u003e. To size it, book a \u003ca href=\"\/en-en\/products\/expert-technician-remote-technical-call\"\u003etechnical call\u003c\/a\u003e or read our article \u003ca href=\"\/en-en\/blogs\/news\/vdi-2035-agua-aerotermia-calefaccion\"\u003eVDI 2035: water quality in heat pump and heating systems\u003c\/a\u003e.\u003c\/p\u003e\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\u003ch3\u003eDocumentation\u003c\/h3\u003e\u003cul\u003e\u003cli\u003e\u003ca href=\"https:\/\/www.magnetic-online.de\/fileadmin\/public\/images\/heizungswasser\/hwr\/TD_s\/ENG_Technical_Data_Sheet_HWR_50-100_plus.pdf\" target=\"_blank\" rel=\"noopener\"\u003eHWR 50 and 100 plus technical data sheet\u003c\/a\u003e\u003c\/li\u003e\u003cli\u003e\u003ca href=\"https:\/\/www.magnetic-online.de\/fileadmin\/public\/images\/heizungswasser\/hwr\/BA_s\/ENG_BA_HWR_50_100_plus_web.pdf\" target=\"_blank\" rel=\"noopener\"\u003eHWR 50 and 100 plus manual\u003c\/a\u003e\u003c\/li\u003e\u003c\/ul\u003e\u003cp class=\"qt-nota-stock\"\u003e\u003cstrong\u003eAvailability and lead times:\u003c\/strong\u003e made to order. We will confirm the lead time before preparing your order.\u003c\/p\u003e","brand":"magnetic","offers":[{"title":"HWR 50 plus","offer_id":59063652450648,"sku":"MAG-HWR50PLUS","price":0.0,"currency_code":"EUR","in_stock":false},{"title":"HWR 100 plus","offer_id":59063652483416,"sku":"MAG-888187","price":0.0,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0015\/4592\/8792\/files\/magnetic-hwr-50-plus-escala.webp?v=1794081264"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0015\/4592\/8792\/collections\/coleccion-vdi-2035-magnetic.webp?v=1794080185","url":"https:\/\/q-tech.es\/en-en\/collections\/vdi-2035-water-quality-magnetic.oembed","provider":"Q-Tech ® ","version":"1.0","type":"link"}