{"title":"Baxi circulator pumps","description":"\u003ch2\u003eBaxi circulator pumps for heating, cooling and DHW recirculation\u003c\/h2\u003e\n\u003cp\u003eA \u003cstrong\u003ecirculator pump\u003c\/strong\u003e is the pump that moves water around a closed heating or cooling circuit, or around the domestic hot water return. Here are the five Baxi ranges we sell, from the circulator for a single home to the flanged pump for a whole building.\u003c\/p\u003e\n\u003cp\u003eThe Quantum pumps are wet-rotor units with an ECM motor and differential pressure control; the SB pumps have a bronze or brass body, for domestic water. Each product page shows the units available and the lead time.\u003c\/p\u003e\n\u003ch3\u003eModels in this collection\u003c\/h3\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\u003cth\u003eRange\u003c\/th\u003e\u003cth\u003eWhat for\u003c\/th\u003e\u003cth\u003eMaximum flow\u003c\/th\u003e\u003cth\u003eMaximum head\u003c\/th\u003e\u003cth\u003eModels\u003c\/th\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003e\u003ca href=\"\/en-en\/products\/quantum-eco-de-baxi\"\u003eQuantum ECO\u003c\/a\u003e\u003c\/th\u003e\u003ctd\u003eHeating and cooling in buildings\u003c\/td\u003e\u003ctd\u003e7 to 55 m³\/h\u003c\/td\u003e\u003ctd\u003e7 to 16 m\u003c\/td\u003e\u003ctd\u003e11, from the 32 to the 80\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003e\u003ca href=\"\/en-en\/products\/bomba-circuladora-baxi-quantum-maxi-alta-eficiencia\"\u003eQuantum MAXI\u003c\/a\u003e\u003c\/th\u003e\u003ctd\u003eHomes and small installations, unions included\u003c\/td\u003e\u003ctd\u003e2.7 to 4.4 m³\/h\u003c\/td\u003e\u003ctd\u003e4.2 to 7.5 m\u003c\/td\u003e\u003ctd\u003e6, from the MYL-30 to the 1045\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003e\u003ca href=\"\/en-en\/products\/baxi-quantum-mini-circulator-pump\"\u003eQuantum MINI\u003c\/a\u003e\u003c\/th\u003e\u003ctd\u003eBoilers and small circuits; unions sold separately\u003c\/td\u003e\u003ctd\u003e2.7 to 3.5 m³\/h\u003c\/td\u003e\u003ctd\u003e4.2 to 6 m\u003c\/td\u003e\u003ctd\u003e3: MYL-30, 1025 and 1035\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003e\u003ca href=\"\/en-en\/products\/baxi-sb-series-dhw-recirculation-pump\"\u003eSB series\u003c\/a\u003e\u003c\/th\u003e\u003ctd\u003eDHW recirculation in homes and buildings\u003c\/td\u003e\u003ctd\u003e1.5 to 9.5 m³\/h\u003c\/td\u003e\u003ctd\u003e0.8 to 9 m\u003c\/td\u003e\u003ctd\u003e5, from the SB-5 Y to the SB-150 XL\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003e\u003ca href=\"\/en-en\/products\/baxi-sb-4x-compact-dhw-circulator\"\u003eSB-4X\u003c\/a\u003e\u003c\/th\u003e\u003ctd\u003eDHW recirculation in a home, with pre-fitted valves\u003c\/td\u003e\u003ctd\u003eNo published figure\u003c\/td\u003e\u003ctd\u003e1 m\u003c\/td\u003e\u003ctd\u003e1\u003c\/td\u003e\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003cp\u003eData according to Baxi.\u003c\/p\u003e\n\u003ch3\u003eHow to choose your Baxi circulator\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003e\u003cstrong\u003eClosed circuit or domestic water.\u003c\/strong\u003e For heating or cooling, Quantum; for the DHW return, the SB series or the SB-4X, with a bronze or brass body.\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eHead the installation needs.\u003c\/strong\u003e Up to 7.5 m, MAXI or MINI; above that, Quantum ECO.\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003ePort-to-port length and connection.\u003c\/strong\u003e The MAXI and the MINI use unions; from the Quantum ECO 40 upwards the connection is flanged.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003eIf you are looking at another brand, compare them in \u003ca href=\"\/en-en\/collections\/recirculating-pumps\"\u003ecirculator pumps and pump groups\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003eReplacing the circulator on a domestic boiler.\u003c\/li\u003e\n\u003cli\u003eMoving the radiator or underfloor heating circuit of a building.\u003c\/li\u003e\n\u003cli\u003eKeeping the hot water return of a hotel or an apartment block in service.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch3\u003eWhy buy your Baxi circulator from Q-Tech?\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003eWe fit the pump in our \u003ca href=\"\/en-en\/pages\/pre-montaje-avanzado\"\u003epre-assembled plant room\u003c\/a\u003e, which arrives \u003cstrong\u003etested and ready to connect\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eWe replace your old one with a \u003ca href=\"\/en-en\/products\/tecnico-experto-in-situ-horas\"\u003eTechnical Expert on site, by the hour\u003c\/a\u003e.\u003c\/li\u003e\n\u003cli\u003eWe help you choose the model on a \u003ca href=\"\/en-en\/products\/tecnico-experto-llamada-tecnica\"\u003etechnical call\u003c\/a\u003e or over \u003ca href=\"https:\/\/wa.me\/qtechhouses\"\u003eWhatsApp\u003c\/a\u003e.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch3\u003eFrequently asked questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eAre the unions included?\u003c\/strong\u003e According to Baxi, yes on the Quantum MAXI and on the ECO 32 and 32H; from the ECO 40 upwards gaskets, flanges, counter-flanges and bolts are supplied, and on the Quantum MINI the unions are a separate accessory.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I use a Quantum on the DHW return?\u003c\/strong\u003e No: domestic water needs the bronze or brass bodies of the SB series or the SB-4X.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhich Quantum replaces my old circulator?\u003c\/strong\u003e Baxi publishes a cross-reference table from its PC, MC and SC circulators to the Quantum range; in some cases an adapter is needed.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat temperatures do they work at?\u003c\/strong\u003e According to Baxi, −10 to 110 °C for the Quantum ECO and −10 to 95 °C for the MAXI and the MINI; the DHW pumps, up to 60–65 °C.\u003c\/p\u003e\n\u003cp\u003eChoose the range by the circuit and \u003cstrong\u003elook for the head and the port-to-port length your installation needs\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp class=\"qt-version\"\u003eUpdated 13-11-2026 · v5.4\u003c\/p\u003e\n","products":[{"product_id":"quantum-eco-de-baxi","title":"BAXI Quantum ECO","description":"\u003cp\u003eBaxi Quantum ECO circulator pump.\u003c\/p\u003e\n\u003cp\u003eCirculators for heating and cooling installations.\u003c\/p\u003e\n\u003cp\u003eQuantum Eco circulators comply with the 2015 ErP Directive, all having an Energy Efficiency Index (EEI) ≤ 0.23. The benchmark for the most efficient circulators is EEI ≤ 0.20.\u003c\/p\u003e\n\u003cp\u003eThe high-efficiency Quantum Eco range is a series of wet-rotor circulators featuring ECM (Electronic Commutated Motor) technology with integrated differential pressure control.\u003c\/p\u003e\n\u003ch4\u003eMain advantages of electronic control:\u003c\/h4\u003e\n\u003cp\u003e- Energy savings and reduction of operating costs.\u003c\/p\u003e\n\u003cp\u003e- Elimination of flow noise in installations with thermostatic valves, as their operation automatically adapts to the system's needs.\u003c\/p\u003e\n\u003cp\u003e- Electrical protection rating: IP X4D.\u003c\/p\u003e\n\u003cp\u003e- 2 automatic operating modes for optimal adaptation to the installation (constant ΔpC, and variable ΔpV).\u003c\/p\u003e\n\u003cp\u003eHydraulic connection accessories are supplied:\u003c\/p\u003e\n\u003cp\u003e- Gaskets and fittings for Quantum Eco 32 and 32H models.\u003c\/p\u003e\n\u003cp\u003e- Gaskets, flanges, counter-flanges, and bolts for Quantum Eco 40, 50, 50M, and 50H models. \u003cbr\u003e\u003c\/p\u003e\n\u003ch3\u003eDocumentation:\u003c\/h3\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.baxi.es\/-\/media\/inriver\/30497-10724.pdf?v=1\u0026amp;d=20181121T105455Z\" title=\"Baxi Quantum ECO circulator pump - download technical information\" target=\"_blank\"\u003eDownload Technical Information\u003c\/a\u003e\u003c\/p\u003e","brand":"BAXI","offers":[{"title":"Quantum ECO 32 1 1\/4\" MF Ref. 7504411","offer_id":19437350060120,"sku":"SE-BR07114\/BAXI-7504411","price":743.0,"currency_code":"EUR","in_stock":true},{"title":"Quantum ECO 32 1 1\/4\" MF H Ref. 7504412","offer_id":19437350092888,"sku":"SE-BR07118\/BAXI-7504412","price":1125.0,"currency_code":"EUR","in_stock":true},{"title":"Quantum ECO 40 1 1\/2\" MF Ref. 7504413","offer_id":19437350125656,"sku":"SE-BR07125\/BAXI-7504413","price":1414.0,"currency_code":"EUR","in_stock":true},{"title":"Quantum ECO 50 2\" Ref. 7504414","offer_id":19437350158424,"sku":"SE-BR07126\/BAXI-7504414","price":1520.0,"currency_code":"EUR","in_stock":true},{"title":"Quantum ECO 50M 2\" Ref. 7504415","offer_id":43563823530210,"sku":"SE-BR07127\/BAXI-7504415","price":1839.0,"currency_code":"EUR","in_stock":true},{"title":"Quantum ECO 50H 2\" Ref. 7504416","offer_id":43563829690594,"sku":"BAXI-7504416","price":2039.0,"currency_code":"EUR","in_stock":true},{"title":"Quantum ECO 65 2 1\/2\" Ref. 7504417","offer_id":59104475611480,"sku":"SE-BR07128","price":1998.92,"currency_code":"EUR","in_stock":true},{"title":"Quantum ECO 65H 2 1\/2\" Ref. 7504418","offer_id":59104475644248,"sku":"SE-BR07124","price":2330.46,"currency_code":"EUR","in_stock":true},{"title":"Quantum ECO 65S 2 1\/2\" Ref. 7504419","offer_id":59104475677016,"sku":"SE-BR07129","price":2774.13,"currency_code":"EUR","in_stock":true},{"title":"Quantum ECO 80I 3\" Ref. 7504420","offer_id":59104475709784,"sku":"SE-BR07130","price":2442.59,"currency_code":"EUR","in_stock":true},{"title":"Quantum ECO 80 3\" Ref. 7504421","offer_id":59104475742552,"sku":"SE-BR07131","price":2884.64,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0015\/4592\/8792\/files\/baxi-quantum-eco-de-baxi-quantum-eco-32-1-1-4-mf-ref-7504411-52965407883608.jpg?v=1702915182"},{"product_id":"bomba-circuladora-baxi-quantum-maxi-alta-eficiencia","title":"Baxi Quantum MAXI","description":"\u003cp\u003eBaxi Quantum Maxi circulators are designed for heating and cooling systems. \u003cbr\u003e\n\u003c\/p\u003e\n\u003cp data-path-to-node=\"5\"\u003eInefficient hydraulic flow in thermal systems causes boiler wear and uncontrolled energy consumption. This \u003cb data-path-to-node=\"5\" data-index-in-node=\"132\"\u003eBaxi Quantum MAXI circulator pump\u003c\/b\u003e stabilizes flow, eliminates cavitation noise, and ensures consistent performance in high-demand circuits.\u003c\/p\u003e\n\u003cp data-path-to-node=\"6\"\u003eDesigned for engineering environments, the ECM technology in this wet rotor circulator drastically reduces electricity consumption. It ensures thermal protection of the infrastructure by continuously adapting its operating speed to variations in HVAC system pressure.\u003c\/p\u003e\n\u003ch4 data-path-to-node=\"7\"\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul data-path-to-node=\"8\"\u003e\n\n\u003cli\u003e\n\n\u003cp data-path-to-node=\"8,0,0\"\u003e\n\u003cb data-path-to-node=\"8,0,0\" data-index-in-node=\"0\"\u003eEnergy Efficiency (EEI):\u003c\/b\u003e 0.23 or less.\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp data-path-to-node=\"8,1,0\"\u003e\n\u003cb data-path-to-node=\"8,1,0\" data-index-in-node=\"0\"\u003eMotor technology:\u003c\/b\u003e Wet rotor with ECM modulation.\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp data-path-to-node=\"8,2,0\"\u003e\n\u003cb data-path-to-node=\"8,2,0\" data-index-in-node=\"0\"\u003eControl modes:\u003c\/b\u003e Variable differential pressure (ΔP-v), constant differential pressure (ΔP-c), and 3 fixed speeds.\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp data-path-to-node=\"8,3,0\"\u003e\n\u003cb data-path-to-node=\"8,3,0\" data-index-in-node=\"0\"\u003eFactory supply:\u003c\/b\u003e Hydraulic connection fittings and seals included as standard.\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp data-path-to-node=\"8,4,0\"\u003e\n\u003cb data-path-to-node=\"8,4,0\" data-index-in-node=\"0\"\u003ePhysical dimensions:\u003c\/b\u003e Height 245.5 mm, Width 101.9 mm, Depth 133.2 mm.\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\u003ch3 data-path-to-node=\"9\"\u003eCompatibility and Operating Limits\u003c\/h3\u003e\n\u003cp data-path-to-node=\"10\"\u003eTechnicians should integrate this circulator into closed-loop commercial heating and cooling circuits. It is ideal for underfloor heating systems and radiators with thermostatic valves. The equipment is not suitable for pumping viscous fluids or chemically aggressive liquids.\u003c\/p\u003e\n\u003ch3 data-path-to-node=\"11\"\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cul data-path-to-node=\"12\"\u003e\n\n\u003cli\u003e\n\n\u003cp data-path-to-node=\"12,0,0\"\u003e\n\u003cb data-path-to-node=\"12,0,0\" data-index-in-node=\"0\"\u003eWhat pressure control modes does the Baxi Quantum MAXI circulator offer?\u003c\/b\u003e The equipment can operate using variable differential pressure for systems with thermostatic valves, constant differential pressure for underfloor heating circuits, or manual operation set to one of three fixed speed levels.\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cp data-path-to-node=\"12,1,0\"\u003e\n\u003cb data-path-to-node=\"12,1,0\" data-index-in-node=\"0\"\u003eDoes the equipment include accessories for direct hydraulic connection?\u003c\/b\u003e Yes, the package includes all the components required for connection. The circulator comes with the corresponding sealing gaskets and fittings, speeding up installation in the plant room.\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\u003ch3 data-path-to-node=\"13\"\u003eSpecialized Technical Support\u003c\/h3\u003e\n\u003cp data-path-to-node=\"14\"\u003eIncorrect flow rate settings compromise the system's thermal balance. Our engineering department at \u003cb data-path-to-node=\"14\" data-index-in-node=\"129\"\u003eQ-tech.es\u003c\/b\u003e offers direct assistance to professionals and integrators. Call us to ensure the correct commissioning of this circulator in your critical network.\u003c\/p\u003e\n\u003ch3\u003eDocumentation:\u003c\/h3\u003e\n\u003cp\u003e\n\u003ca href=\"https:\/\/edge.sitecorecloud.io\/bdrthermea1-platform-production-864a\/media\/Project\/BaxiES\/BaxiES\/Documentation\/Professional-products\/Complementos-componentes-instalacion\/Circuladores\/Quantum-Maxi\/QUANTUM_MAXI_CATALOG_14es_02.pdf\" title=\"Baxi Quantum MAXI circulator pump - download technical information\" rel=\"noopener\" target=\"_blank\"\u003eDownload Technical Information\u003c\/a\u003e\n\u003c\/p\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, stock updates may be delayed. If no units are available at the time of your order, we will order them urgently and immediately inform you of the updated delivery time.\u003c\/p\u003e\n","brand":"BAXI","offers":[{"title":"Quantum MAXI MYL-30 Ref. 7739886","offer_id":43554402074850,"sku":"SE-BR07140\/BAXI-7739886","price":219.0,"currency_code":"EUR","in_stock":true},{"title":"Quantum MAXI 1025 1\" Ref. 7739884","offer_id":43554402107618,"sku":"SE-BR07141\/BAXI-7739884","price":209.0,"currency_code":"EUR","in_stock":true},{"title":"Quantum MAXI 1025 1 1\/4\" Ref. 7739885","offer_id":43554402140386,"sku":"SE-BR07142\/BAXI-7739885","price":216.0,"currency_code":"EUR","in_stock":true},{"title":"Quantum MAXI 1035 1\" Ref. 7739887","offer_id":43554402173154,"sku":"SE-BR07143\/BAXI-7739887","price":278.0,"currency_code":"EUR","in_stock":true},{"title":"Quantum MAXI 1035 1 1\/4\" Ref. 7739888","offer_id":43554402205922,"sku":"SE-BR07144\/BAXI-7739888","price":265.0,"currency_code":"EUR","in_stock":true},{"title":"Quantum MAXI 1045 1 1\/4\" Ref. 7739889","offer_id":43554402238690,"sku":"SE-BR07145\/BAXI-7739889","price":379.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0015\/4592\/8792\/files\/baxi-quantum-maxi-de-baxi-quantum-maxi-myl-30-ref-7739886-52965641126232.jpg?v=1702916765"},{"product_id":"bomba-circuladora-baxi-quantum-mini","title":"Baxi Quantum MINI high-efficiency circulator pump for heating and cooling","description":"\u003ch2\u003eBaxi Quantum MINI high-efficiency circulator pump for heating and cooling circuits\u003c\/h2\u003e\u003cp\u003eThe \u003cstrong\u003eBaxi Quantum MINI\u003c\/strong\u003e moves the water in your system with an ECM motor and built-in differential pressure control. Baxi makes it in three models, with 130 and 180 mm port-to-port lengths. \u003cstrong\u003eQ-Tech integrates it into pre-assembled plant rooms\u003c\/strong\u003e, tested in our workshop together with the rest of the circuit.\u003c\/p\u003e\u003ch3\u003eSummary\u003c\/h3\u003e\u003ctable\u003e\u003ctbody\u003e\u003ctr\u003e\u003cth\u003eType\u003c\/th\u003e\u003ctd\u003eWet-rotor circulator pump with ECM motor\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003cth\u003eBrand and model\u003c\/th\u003e\u003ctd\u003eBaxi Quantum MINI MYL-30, 1025 and 1035\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003cth\u003eUse\u003c\/th\u003e\u003ctd\u003eClosed heating and cooling circuits\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003cth\u003eMaximum flow\u003c\/th\u003e\u003ctd\u003e2.7 m³ per hour (MYL-30 and 1025) and 3.5 m³ per hour (1035)\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003cth\u003eMaximum head\u003c\/th\u003e\u003ctd\u003e4.2 m (MYL-30 and 1025) and 6 m (1035)\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003cth\u003eCompatible with\u003c\/th\u003e\u003ctd\u003eBaxi Rp 1 or Rp 1¼ unions, sold separately\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003cth\u003ePower supply\u003c\/th\u003e\u003ctd\u003e230 V single-phase\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003cth\u003eQ-Tech installation\u003c\/th\u003e\u003ctd\u003eIntegrated into your \u003ca href=\"\/en-en\/pages\/pre-montaje-avanzado\"\u003epre-assembled plant room\u003c\/a\u003e or with an \u003ca href=\"\/en-en\/products\/tecnico-experto-in-situ-horas\"\u003eon-site Expert Technician\u003c\/a\u003e\u003c\/td\u003e\u003c\/tr\u003e\u003c\/tbody\u003e\u003c\/table\u003e\u003ch3\u003eWhat is the Baxi Quantum MINI?\u003c\/h3\u003e\u003cp\u003eThe Baxi Quantum MINI is a wet-rotor circulator pump for heating and cooling that controls its speed with an ECM motor. It meets the ErP Directive with an energy efficiency index of 0.23 or lower. It is fitted in line, with unions, in closed water circuits.\u003c\/p\u003e\u003ch3\u003eWhat problem does it solve?\u003c\/h3\u003e\u003cp\u003eA fixed-speed circulator runs at the same speed even when valves close part of the circuit. It therefore uses more energy than the system needs. When replacing it, you also need a model with the same port-to-port length.\u003c\/p\u003e\u003cp\u003eThe Quantum MINI \u003cstrong\u003eadjusts pressure automatically in Δp-v mode\u003c\/strong\u003e: when flow in the network drops, it halves the pump head. It draws \u003cstrong\u003e4 to 20 W\u003c\/strong\u003e in the MYL-30 and 1025, and 4 to 40 W in the 1035. Baxi offers it with 130 and 180 mm port-to-port lengths.\u003c\/p\u003e\u003ch3\u003eTechnical data\u003c\/h3\u003e\u003ctable\u003e\u003ctbody\u003e\u003ctr\u003e\u003cth\u003eTechnology\u003c\/th\u003e\u003ctd\u003eWet rotor with ECM motor\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003cth\u003eControl modes\u003c\/th\u003e\u003ctd\u003eVariable differential pressure (Δp-v) and 3 fixed speeds (c1, c2 and c3)\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003cth\u003eEnergy efficiency index\u003c\/th\u003e\u003ctd\u003eEEI 0.23 or lower\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003cth\u003eElectrical protection\u003c\/th\u003e\u003ctd\u003eIP X2D\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003cth\u003eVoltage\u003c\/th\u003e\u003ctd\u003e230 V single-phase\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003cth\u003eWater temperature\u003c\/th\u003e\u003ctd\u003e−10 to 95 °C\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003cth\u003eMaximum operating pressure\u003c\/th\u003e\u003ctd\u003e6 bar\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003cth\u003ePipe connection\u003c\/th\u003e\u003ctd\u003eWith Baxi unions, not included\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003cth\u003eBody width and depth\u003c\/th\u003e\u003ctd\u003e132.8 mm and 102.3 mm\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\u003ePort-to-port length\u003c\/th\u003e\u003cth\u003ePump thread\u003c\/th\u003e\u003cth\u003eUnion (Baxi reference)\u003c\/th\u003e\u003cth\u003eMax. flow (m³ per hour)\u003c\/th\u003e\u003cth\u003eMax. head (m)\u003c\/th\u003e\u003cth\u003ePower (W)\u003c\/th\u003e\u003cth\u003eNet weight (kg)\u003c\/th\u003e\u003cth\u003eReference\u003c\/th\u003e\u003cth\u003eEAN\u003c\/th\u003e\u003c\/tr\u003e\u003ctr\u003e\u003ctd\u003eMYL-30\u003c\/td\u003e\u003ctd\u003e130 mm\u003c\/td\u003e\u003ctd\u003eG 1½\u003c\/td\u003e\u003ctd\u003eRp 1 (001692635)\u003c\/td\u003e\u003ctd\u003e2.7\u003c\/td\u003e\u003ctd\u003e4.2\u003c\/td\u003e\u003ctd\u003e4 to 20\u003c\/td\u003e\u003ctd\u003e1.65\u003c\/td\u003e\u003ctd\u003e7782961\u003c\/td\u003e\u003ctd\u003e8431406217754\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003ctd\u003e1025\u003c\/td\u003e\u003ctd\u003e180 mm\u003c\/td\u003e\u003ctd\u003eG 2\u003c\/td\u003e\u003ctd\u003eRp 1 (001692634)\u003c\/td\u003e\u003ctd\u003e2.7\u003c\/td\u003e\u003ctd\u003e4.2\u003c\/td\u003e\u003ctd\u003e4 to 20\u003c\/td\u003e\u003ctd\u003e1.8\u003c\/td\u003e\u003ctd\u003e7782962\u003c\/td\u003e\u003ctd\u003e8431406217761\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003ctd\u003e1035\u003c\/td\u003e\u003ctd\u003e180 mm\u003c\/td\u003e\u003ctd\u003eG 2\u003c\/td\u003e\u003ctd\u003eRp 1¼ (001693342)\u003c\/td\u003e\u003ctd\u003e3.5\u003c\/td\u003e\u003ctd\u003e6\u003c\/td\u003e\u003ctd\u003e4 to 40\u003c\/td\u003e\u003ctd\u003e1.8\u003c\/td\u003e\u003ctd\u003e7782964\u003c\/td\u003e\u003ctd\u003e8431406217778\u003c\/td\u003e\u003c\/tr\u003e\u003c\/tbody\u003e\u003c\/table\u003e\u003ch3\u003eCompatibility and limits\u003c\/h3\u003e\u003cul\u003e\u003cli\u003eClosed heating and cooling circuits with water from −10 to 95 °C and up to 6 bar.\u003c\/li\u003e\u003cli\u003eUnions are not included: each model has its own Baxi set, shown in the table.\u003c\/li\u003e\u003cli\u003eThe MYL-30 is 130 mm port-to-port; the 1025 and 1035 are 180 mm.\u003c\/li\u003e\u003cli\u003eBaxi intends it for heating and cooling; for domestic hot water recirculation it offers the SB series.\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\u003eProduct\u003c\/th\u003e\u003cth\u003eWhen to choose it\u003c\/th\u003e\u003cth\u003eData\u003c\/th\u003e\u003c\/tr\u003e\u003ctr\u003e\u003ctd\u003e\u003ca href=\"\/en-en\/products\/bomba-circuladora-baxi-quantum-maxi-alta-eficiencia\"\u003eBaxi Quantum MAXI\u003c\/a\u003e\u003c\/td\u003e\u003ctd\u003eYou want unions included or constant pressure mode (Δp-c)\u003c\/td\u003e\u003ctd\u003e6 models, 130 or 180 mm, 1 or 1¼ unions\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003ctd\u003e\u003ca href=\"\/en-en\/products\/quantum-eco-de-baxi\"\u003eBaxi Quantum ECO\u003c\/a\u003e\u003c\/td\u003e\u003ctd\u003eYou need more flow than the MINI\u003c\/td\u003e\u003ctd\u003e8 to 55 m³ per hour, unions or flanges\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003ctd\u003e\u003ca href=\"\/en-en\/collections\/bombas-recirculadoras\"\u003eOther circulator brands\u003c\/a\u003e\u003c\/td\u003e\u003ctd\u003eYou prefer to compare with Grundfos, Wilo or DAB\u003c\/td\u003e\u003ctd\u003eCirculator pumps collection\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 pump you are replacing. For 130 mm port-to-port, the MYL-30; for 180 mm, the 1025 or the 1035, which gives up to 6 m head and 3.5 m³ per hour.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eAre the unions included?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eNo. Baxi sells them separately: 001692635 for the MYL-30, 001692634 for the 1025 and 001693342 for the 1035. Message us on \u003ca href=\"https:\/\/wa.me\/qtechhouses\" target=\"_blank\" rel=\"noopener\"\u003eWhatsApp\u003c\/a\u003e and we will quote them with the pump.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat is the difference from the Quantum MAXI?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eBoth use an ECM motor and an EEI of 0.23 or lower. The MAXI includes unions and adds constant pressure mode; the MINI has variable pressure and 3 fixed speeds.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIs it suitable for cooling?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eYes. Baxi specifies it for heating and cooling, with water from −10 to 95 °C.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat is the delivery time?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eWe have it in stock at our warehouse. If no units are left when you order, we will order it urgently and tell you the lead time.\u003c\/p\u003e\u003ch3\u003eQ-Tech installation and support\u003c\/h3\u003e\u003cp\u003eQ-Tech integrates the Quantum MINI into \u003cstrong\u003epre-assembled plant rooms built in our workshop\u003c\/strong\u003e: assembled, configured and tested with safety and operation checks, ready to connect on site. See how it works on \u003ca href=\"\/en-en\/pages\/pre-montaje-avanzado\"\u003eAdvanced Pre-Assembly\u003c\/a\u003e and the \u003ca href=\"\/en-en\/products\/tecnico-experto-pre-montaje-nave\"\u003eworkshop pre-assembly service\u003c\/a\u003e. To replace a pump in an existing system, book the \u003ca href=\"\/en-en\/products\/tecnico-experto-in-situ-horas\"\u003eon-site hourly Expert Technician\u003c\/a\u003e; for selection questions, the \u003ca href=\"\/en-en\/products\/expert-technician-remote-technical-call\"\u003etechnical call\u003c\/a\u003e. More models in \u003ca href=\"\/en-en\/collections\/bombas-recirculadoras\"\u003eCirculator pumps\u003c\/a\u003e.\u003c\/p\u003e\u003ch3\u003eDocumentation\u003c\/h3\u003e\u003cul\u003e\u003cli\u003e\u003ca href=\"https:\/\/catalogo.baxi.es\/.2024\/index-366.html\" target=\"_blank\" rel=\"noopener\"\u003eBaxi Catalogue-Price List, Quantum Mini series (February 2024, in Spanish)\u003c\/a\u003e\u003c\/li\u003e\u003cli\u003e\u003ca href=\"https:\/\/www.baxi.es\/profesionales\/productos\/complementos-componentes\/circuladores\/quantum-mini\" target=\"_blank\" rel=\"noopener\"\u003eQuantum Mini page on baxi.es (in Spanish)\u003c\/a\u003e\u003c\/li\u003e\u003c\/ul\u003e\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":"BAXI","offers":[{"title":"Quantum MINI MYL-30 Ref. 7782961","offer_id":59104806469976,"sku":"SE-BR07146","price":161.87,"currency_code":"EUR","in_stock":true},{"title":"Quantum MINI 1025 Ref. 7782962","offer_id":59104806502744,"sku":"SE-BR07147","price":171.27,"currency_code":"EUR","in_stock":true},{"title":"Quantum MINI 1035 Ref. 7782964","offer_id":59104806535512,"sku":"SE-BR07148","price":207.41,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0015\/4592\/8792\/files\/baxi-quantum-mini-circuladora-vista-tres-cuartos.webp?v=1794490404"},{"product_id":"baxi-serie-sb-bomba-circuladora-acs","title":"Baxi SB Series bronze DHW recirculation circulator pump","description":"\u003ch2\u003eBaxi circulator pump that brings hot water to every tap sooner\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eBaxi SB Series\u003c\/strong\u003e is Baxi's range of bronze circulators for \u003cstrong\u003edomestic hot water recirculation\u003c\/strong\u003e. Q-Tech integrates it into its \u003cstrong\u003epre-assembled plant room\u003c\/strong\u003e, built and tested in the workshop together with the cylinder and the return valves, so that only the final connection is left on site.\u003c\/p\u003e\n\u003ch3\u003eSummary\u003c\/h3\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\u003cth\u003eType\u003c\/th\u003e\u003ctd\u003eCanned rotor circulator pump for DHW recirculation\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eBrand and model\u003c\/th\u003e\u003ctd\u003eBaxi SB Series: SB-5 Y, SB-10 YA, SB-50 XA, SB-100 XL and SB-150 XL\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eUse\u003c\/th\u003e\u003ctd\u003eDomestic hot water recirculation circuits\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eMaximum flow\u003c\/th\u003e\u003ctd\u003eFrom 1.5 to 9.5 m³ per hour, depending on the model\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eMaximum head\u003c\/th\u003e\u003ctd\u003eFrom 0.8 to 9 m, depending on the model\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eConnection\u003c\/th\u003e\u003ctd\u003e20-22 solder union (SB-5 Y and SB-10 YA) or 1\" union (SB-50 XA, SB-100 XL and SB-150 XL)\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003ePower supply\u003c\/th\u003e\u003ctd\u003eSingle-phase 230 V\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eQ-Tech installation\u003c\/th\u003e\u003ctd\u003eIntegrated into a pre-assembled plant room or installed by an on-site Expert Technician (\u003ca href=\"\/en-en\/pages\/pre-montaje-avanzado\"\u003ePre-Montaje Avanzado\u003c\/a\u003e)\u003c\/td\u003e\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch3\u003eWhat is the Baxi SB Series?\u003c\/h3\u003e\n\u003cp\u003eThe Baxi SB Series is a range of Baxi circulator pumps for domestic hot water recirculation circuits that moves up to 9.5 m³ per hour. Its canned rotor motor drives the water around the return loop. It is always installed after the draw-off points.\u003c\/p\u003e\n\u003ch3\u003eWhat problem does it solve?\u003c\/h3\u003e\n\u003cp\u003eIn a system without recirculation, the water cools down in the pipe and the user waits with the tap open until it runs hot. The Baxi SB Series keeps the water moving around the return loop, so \u003cstrong\u003ehot water reaches the tap sooner\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eA circulator chosen without considering the loop flow, the water hardness or the electrical protection has a shorter life. Baxi sets a maximum water hardness for this range and requires a motor protection switch on the SB-150 XL; Q-Tech checks this before fitting it.\u003c\/p\u003e\n\u003ch3\u003eTechnical data\u003c\/h3\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\u003cth\u003eMaximum operating pressure\u003c\/th\u003e\u003ctd\u003e10 bar\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eMaximum operating temperature\u003c\/th\u003e\u003ctd\u003e60 °C (65 °C on the SB-100 XL)\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eShort-term temperature\u003c\/th\u003e\u003ctd\u003eUp to 80 or 110 °C for 2 hours, depending on the model\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003ePower supply\u003c\/th\u003e\u003ctd\u003eSingle-phase 230 V\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eMotor\u003c\/th\u003e\u003ctd\u003eCanned rotor, self-protected against overload\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eMotor protection switch\u003c\/th\u003e\u003ctd\u003eNot required, except on the SB-150 XL (mandatory)\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003ePump body and motor support\u003c\/th\u003e\u003ctd\u003eBronze (stainless steel on the SB-100 XL)\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eElectrical protection\u003c\/th\u003e\u003ctd\u003eIP 43 (SB-5 Y, SB-10 YA and SB-50 XA) and IP 44 (SB-100 XL and SB-150 XL)\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eMaximum water hardness\u003c\/th\u003e\u003ctd\u003e35 °f (19 °d); 32 °f (17 °d) on the SB-100 XL\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eOther\u003c\/th\u003e\u003ctd\u003eEthylene-propylene membrane against limescale deposits, rotation check and venting\u003c\/td\u003e\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\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\u003eConnection\u003c\/th\u003e\u003cth\u003ePort-to-port length\u003c\/th\u003e\u003cth\u003eMax. flow (m³ per hour)\u003c\/th\u003e\u003cth\u003eMax. head\u003c\/th\u003e\u003cth\u003eSpeeds\u003c\/th\u003e\u003cth\u003ePower input\u003c\/th\u003e\u003cth\u003eProtection\u003c\/th\u003e\u003cth\u003eNet weight\u003c\/th\u003e\u003cth\u003eReference\u003c\/th\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eSB-5 Y\u003c\/th\u003e\u003ctd\u003e20-22 solder\u003c\/td\u003e\u003ctd\u003e130 mm\u003c\/td\u003e\u003ctd\u003e1.5\u003c\/td\u003e\u003ctd\u003e0.8 m\u003c\/td\u003e\u003ctd\u003e1\u003c\/td\u003e\u003ctd\u003e30 W\u003c\/td\u003e\u003ctd\u003eIP 43\u003c\/td\u003e\u003ctd\u003e2 kg\u003c\/td\u003e\u003ctd\u003e195000019\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eSB-10 YA\u003c\/th\u003e\u003ctd\u003e20-22 solder\u003c\/td\u003e\u003ctd\u003e130 mm\u003c\/td\u003e\u003ctd\u003e3\u003c\/td\u003e\u003ctd\u003e2.5 m\u003c\/td\u003e\u003ctd\u003e3\u003c\/td\u003e\u003ctd\u003e27, 39 and 56 W\u003c\/td\u003e\u003ctd\u003eIP 43\u003c\/td\u003e\u003ctd\u003e2 kg\u003c\/td\u003e\u003ctd\u003e953030121\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eSB-50 XA\u003c\/th\u003e\u003ctd\u003e1\"\u003c\/td\u003e\u003ctd\u003e180 mm\u003c\/td\u003e\u003ctd\u003e5.5\u003c\/td\u003e\u003ctd\u003e5.5 m\u003c\/td\u003e\u003ctd\u003e3\u003c\/td\u003e\u003ctd\u003e70, 102 and 114 W\u003c\/td\u003e\u003ctd\u003eIP 43\u003c\/td\u003e\u003ctd\u003e2.8 kg\u003c\/td\u003e\u003ctd\u003e953035021\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eSB-100 XL\u003c\/th\u003e\u003ctd\u003e1\"\u003c\/td\u003e\u003ctd\u003e180 mm\u003c\/td\u003e\u003ctd\u003e5.5\u003c\/td\u003e\u003ctd\u003e6.5 m\u003c\/td\u003e\u003ctd\u003e3\u003c\/td\u003e\u003ctd\u003e122, 167 and 183 W\u003c\/td\u003e\u003ctd\u003eIP 44\u003c\/td\u003e\u003ctd\u003e3.2 kg\u003c\/td\u003e\u003ctd\u003e195000005\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eSB-150 XL\u003c\/th\u003e\u003ctd\u003e1\"\u003c\/td\u003e\u003ctd\u003e180 mm\u003c\/td\u003e\u003ctd\u003e9.5\u003c\/td\u003e\u003ctd\u003e9 m\u003c\/td\u003e\u003ctd\u003e2\u003c\/td\u003e\u003ctd\u003e295 and 335 W\u003c\/td\u003e\u003ctd\u003eIP 44\u003c\/td\u003e\u003ctd\u003e6.7 kg\u003c\/td\u003e\u003ctd\u003e195000048\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\u003eFor domestic hot water recirculation circuits up to 10 bar.\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eMaximum water hardness of 35 °f\u003c\/strong\u003e (32 °f on the SB-100 XL); with harder water, Baxi requires prior treatment.\u003c\/li\u003e\n\u003cli\u003eFitted on the loop return, after the draw-off points, on horizontal or vertical pipework.\u003c\/li\u003e\n\u003cli\u003eThe SB-150 XL needs a motor protection switch; the other models are self-protected against overload.\u003c\/li\u003e\n\u003cli\u003e20-22 solder connection on the SB-5 Y and SB-10 YA; 1\" union on the SB-50 XA, SB-100 XL and SB-150 XL.\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 the circuit is for heating rather than domestic hot water, Baxi offers the high-efficiency \u003ca href=\"\/en-en\/products\/bomba-circuladora-baxi-quantum-maxi-alta-eficiencia\"\u003eQuantum MAXI\u003c\/a\u003e range.\u003c\/li\u003e\n\u003cli\u003eIf you only need to move the return loop of a single home, the \u003ca href=\"\/en-en\/products\/baxi-sb-4x-compact-dhw-circulator\"\u003eBaxi SB-4X\u003c\/a\u003e is a compact brass circulator, with a pre-fitted shut-off and non-return valve and a 1 m maximum head, according to Baxi.\u003c\/li\u003e\n\u003cli\u003eIf you are looking for a DHW circulator with electronic control or time programming, the SB Series runs at a fixed selectable speed; see the \u003ca href=\"\/en-en\/collections\/baxi-circulator-pumps\"\u003eBaxi circulator pumps\u003c\/a\u003e collection.\u003c\/li\u003e\n\u003cli\u003eIf the water is harder than the maximum, water treatment is needed first.\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 flow and head your return loop requires. The SB-5 Y and SB-10 YA cover small loops with a 20-22 solder connection, and the SB-50 XA, SB-100 XL and SB-150 XL cover higher flows with a 1\" union.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhere is it installed?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eOn the return of the hot water loop, always after the draw-off points. Baxi allows mounting on horizontal or vertical pipework.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes it need a motor protection switch?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eOnly the SB-150 XL. The other models have a motor that is self-protected against overload.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat water hardness does it accept?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eUp to 35 °f, and 32 °f on the SB-100 XL. With harder water, Baxi requires prior treatment to keep the warranty.\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 at our warehouse; if no units are left when you order, we order it urgently and inform you of the updated lead time.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I install it myself?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eBaxi states that it must be installed by qualified personnel. Q-Tech can integrate it into its plant room or install it on your site.\u003c\/p\u003e\n\u003ch3\u003eQ-Tech installation and support\u003c\/h3\u003e\n\u003cp\u003eWith the \u003cstrong\u003epre-assembled plant room\u003c\/strong\u003e, Q-Tech fits the SB Series in its workshop with the cylinder, valves and controls, and delivers it tested and \u003cstrong\u003eready to connect\u003c\/strong\u003e: only the final connection is left on site. More information on \u003ca href=\"\/en-en\/pages\/pre-montaje-avanzado\"\u003ePre-Montaje Avanzado\u003c\/a\u003e and the \u003ca href=\"\/en-en\/products\/tecnico-experto-pre-montaje-nave\"\u003eworkshop pre-assembly\u003c\/a\u003e service.\u003c\/p\u003e\n\u003cp\u003eIf the system already exists, an \u003ca href=\"\/en-en\/products\/tecnico-experto-in-situ-horas\"\u003eon-site hourly Expert Technician\u003c\/a\u003e replaces or integrates the circulator. To choose the model with your loop data, you can book a \u003ca href=\"\/en-en\/products\/expert-technician-remote-technical-call\"\u003etechnical call\u003c\/a\u003e (a paid service). See also the \u003ca href=\"\/en-en\/collections\/bombas-recirculadoras\"\u003erecirculation pumps\u003c\/a\u003e collection or message us on \u003ca href=\"https:\/\/wa.me\/qtechhouses\" target=\"_blank\" rel=\"noopener\"\u003eWhatsApp\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch3\u003eDocumentation\u003c\/h3\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/www.baxi.es\/profesionales\/productos\/complementos-componentes\/circuladores\/sb\" target=\"_blank\" rel=\"noopener\"\u003eSB Series on baxi.es: installation manuals by model, declaration of conformity and price catalogue (in Spanish)\u003c\/a\u003e\u003c\/p\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":"BAXI","offers":[{"title":"SB-5 Y","offer_id":59104959463768,"sku":"SE-BR07303","price":215.11,"currency_code":"EUR","in_stock":true},{"title":"SB-10 YA","offer_id":59104959496536,"sku":"SE-BR07304","price":319.98,"currency_code":"EUR","in_stock":true},{"title":"SB-50 XA","offer_id":59104959529304,"sku":"SE-BR07305","price":453.08,"currency_code":"EUR","in_stock":true},{"title":"SB-100 XL","offer_id":59104959562072,"sku":"SE-BR07306","price":545.85,"currency_code":"EUR","in_stock":true},{"title":"SB-150 XL","offer_id":59104959594840,"sku":"SE-BR07307","price":1053.51,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0015\/4592\/8792\/files\/baxi-serie-sb-circulador-acs-vista-frontal.webp?v=1794490535"},{"product_id":"baxi-sb-4x-circulador-compacto-acs","title":"Baxi SB-4X compact brass DHW recirculation circulator","description":"\u003ch2\u003eCompact Baxi circulator for hot water recirculation in small loops\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eBaxi SB-4X\u003c\/strong\u003e is Baxi's compact circulator for \u003cstrong\u003edomestic hot water recirculation\u003c\/strong\u003e in small systems: brass body, canned rotor motor and a consumption of only 5 W. Q-Tech integrates it into its \u003cstrong\u003epre-assembled plant room\u003c\/strong\u003e, built and tested in the workshop together with the cylinder and the return valves, so that only the final connection is left on site.\u003c\/p\u003e\n\u003ch3\u003eSummary\u003c\/h3\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\u003cth\u003eType\u003c\/th\u003e\u003ctd\u003eCompact canned rotor circulator for DHW recirculation\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eBrand and model\u003c\/th\u003e\u003ctd\u003eBaxi SB-4X (reference 7720450)\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eUse\u003c\/th\u003e\u003ctd\u003eDomestic hot water recirculation loops in homes and small systems, drinking water only\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eMaximum head\u003c\/th\u003e\u003ctd\u003e1 m (Baxi catalogue curve)\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003ePower input\u003c\/th\u003e\u003ctd\u003e5 W (4 to 6 W depending on the operating point)\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eConnection\u003c\/th\u003e\u003ctd\u003eR ½ with unions, with pre-fitted shut-off valve and check valve\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003ePower supply\u003c\/th\u003e\u003ctd\u003eSingle-phase 230 V\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eQ-Tech installation\u003c\/th\u003e\u003ctd\u003eIntegrated into a pre-assembled plant room or installed by an on-site Expert Technician (\u003ca href=\"\/en-en\/pages\/pre-montaje-avanzado\"\u003ePre-Montaje Avanzado\u003c\/a\u003e)\u003c\/td\u003e\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch3\u003eWhat is the Baxi SB-4X?\u003c\/h3\u003e\n\u003cp\u003eThe Baxi SB-4X is a compact Baxi circulator for domestic hot water recirculation circuits, with a brass pump body and a 5 W canned rotor motor. It keeps the water moving around the return loop. It is installed after the draw-off points.\u003c\/p\u003e\n\u003ch3\u003eWhat problem does it solve?\u003c\/h3\u003e\n\u003cp\u003eIn a home or a small system without recirculation, the water cools down in the pipe and the user waits with the tap open until it runs hot. The SB-4X keeps the water moving around the return loop, so \u003cstrong\u003ehot water reaches the tap sooner\u003c\/strong\u003e, with very low power consumption.\u003c\/p\u003e\n\u003cp\u003eAn oversized circulator in a small loop uses more energy and makes more noise; an undersized one does not reach the last tap. Q-Tech checks the length and flow of the loop before choosing between the SB-4X and the SB Series.\u003c\/p\u003e\n\u003ch3\u003eTechnical data\u003c\/h3\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\u003cth\u003eMaximum operating pressure\u003c\/th\u003e\u003ctd\u003e10 bar\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eMaximum operating temperature\u003c\/th\u003e\u003ctd\u003e65 °C (up to 70 °C for short periods of 2 hours)\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eMaximum ambient temperature\u003c\/th\u003e\u003ctd\u003e40 °C\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003ePower supply\u003c\/th\u003e\u003ctd\u003eSingle-phase 230 V\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eRated current\u003c\/th\u003e\u003ctd\u003e0.05 A\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003ePower input\u003c\/th\u003e\u003ctd\u003e5 W (4 to 6 W)\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eSpeed\u003c\/th\u003e\u003ctd\u003e3,000 rpm, single speed\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eMaximum head\u003c\/th\u003e\u003ctd\u003e1 m, according to the Baxi catalogue curve\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003ePipe connection\u003c\/th\u003e\u003ctd\u003eR ½, with unions; pre-fitted shut-off valve and check valve\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eMaximum water hardness\u003c\/th\u003e\u003ctd\u003e36 °f (Baxi manual)\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eMotor\u003c\/th\u003e\u003ctd\u003eCanned rotor, quiet operation\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003ePump body\u003c\/th\u003e\u003ctd\u003eCorrosion-resistant brass; insulating casing\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eElectrical protection\u003c\/th\u003e\u003ctd\u003eIP 42\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eWeight\u003c\/th\u003e\u003ctd\u003e1.3 kg\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eBaxi reference\u003c\/th\u003e\u003ctd\u003e7720450\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\u003e\u003cstrong\u003eDrinking water only\u003c\/strong\u003e, in domestic hot water recirculation circuits up to 10 bar and 65 °C.\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eMaximum water hardness of 36 °f\u003c\/strong\u003e according to Baxi's manual; harder water should be treated first.\u003c\/li\u003e\n\u003cli\u003eDesigned for small loops: its maximum head is 1 m.\u003c\/li\u003e\n\u003cli\u003eFitted on the loop return, after the draw-off points, with an R ½ union connection.\u003c\/li\u003e\n\u003cli\u003ePlant room ambient temperature up to 40 °C.\u003c\/li\u003e\n\u003cli\u003eIt is not a heating circulator.\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 the loop is long or serves a building, it needs more flow and head: the \u003ca href=\"\/en-en\/products\/baxi-serie-sb-bomba-circuladora-acs\"\u003eBaxi SB Series\u003c\/a\u003e reaches up to 9.5 m³ per hour and 9 m.\u003c\/li\u003e\n\u003cli\u003eIf the circuit is for heating rather than domestic hot water, Baxi offers the high-efficiency \u003ca href=\"\/en-en\/products\/bomba-circuladora-baxi-quantum-maxi-alta-eficiencia\"\u003eQuantum MAXI\u003c\/a\u003e range.\u003c\/li\u003e\n\u003cli\u003eIf the water is harder than the maximum, water treatment is needed first.\u003c\/li\u003e\n\u003cli\u003eIf you are looking for electronic control or time programming, the SB-4X runs at a fixed speed; see the \u003ca href=\"\/en-en\/collections\/bombas-recirculadoras\"\u003erecirculation pumps\u003c\/a\u003e collection.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently asked questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhat system is the SB-4X for?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eFor small domestic hot water recirculation loops, such as those in a home or a shop. For larger loops, the SB Series.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhere is it installed?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eOn the return of the hot water loop, after the draw-off points. It has an R ½ connection with a pre-fitted shut-off valve and check valve.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow much power does it use?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eAbout 5 W, between 4 and 6 W depending on the operating point.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs it noisy?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eBaxi describes it as quiet: it has a canned rotor and no fan.\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 at our warehouse; if no units are left when you order, we order it urgently and inform you of the updated lead time.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I install it myself?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eBaxi states that it must be installed by qualified personnel. Q-Tech can integrate it into its plant room or install it on your site.\u003c\/p\u003e\n\u003ch3\u003eQ-Tech installation and support\u003c\/h3\u003e\n\u003cp\u003eWith the \u003cstrong\u003epre-assembled plant room\u003c\/strong\u003e, Q-Tech fits the SB-4X in its workshop with the cylinder, valves and controls, and delivers it tested and \u003cstrong\u003eready to connect\u003c\/strong\u003e: only the final connection is left on site. More information on \u003ca href=\"\/en-en\/pages\/pre-montaje-avanzado\"\u003ePre-Montaje Avanzado\u003c\/a\u003e and the \u003ca href=\"\/en-en\/products\/tecnico-experto-pre-montaje-nave\"\u003eworkshop pre-assembly\u003c\/a\u003e service.\u003c\/p\u003e\n\u003cp\u003eIf the system already exists, an \u003ca href=\"\/en-en\/products\/tecnico-experto-in-situ-horas\"\u003eon-site hourly Expert Technician\u003c\/a\u003e replaces or integrates the circulator. To choose between the SB-4X and the SB Series with your loop data, you can book a \u003ca href=\"\/en-en\/products\/expert-technician-remote-technical-call\"\u003etechnical call\u003c\/a\u003e (a paid service). See also the \u003ca href=\"\/en-en\/collections\/bombas-recirculadoras\"\u003erecirculation pumps\u003c\/a\u003e collection or message us on \u003ca href=\"https:\/\/wa.me\/qtechhouses\" target=\"_blank\" rel=\"noopener\"\u003eWhatsApp\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch3\u003eDocumentation\u003c\/h3\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/www.baxi.es\/profesionales\/productos\/complementos-componentes\/circuladores\/sb\" target=\"_blank\" rel=\"noopener\"\u003eSB Series and SB-4X on baxi.es: installation manual, declaration of conformity and price catalogue (in Spanish)\u003c\/a\u003e\u003c\/p\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":"BAXI","offers":[{"title":"Default Title","offer_id":59106415804760,"sku":"SE-BR07300","price":197.64,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0015\/4592\/8792\/files\/baxi-sb-4x-circulador-compacto-acs.webp?v=1794497433"}],"url":"https:\/\/q-tech.es\/en-en\/collections\/baxi-circulator-pumps.oembed","provider":"Q-Tech ® ","version":"1.0","type":"link"}