{"product_id":"bomba-circuladora-dab-vs-acs","title":"DAB VS bronze circulator pump for domestic hot water","description":"\u003ch2\u003eBronze circulator pump for domestic hot water return\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eDAB VS\u003c\/strong\u003e keeps hot water moving round the return loop so it comes out hot as soon as you open the tap. It has a \u003cstrong\u003ebronze body\u003c\/strong\u003e, 150 mm between ports with 1½\" threads, and delivers \u003cstrong\u003eup to 6 m head and 3.7 m³ per hour\u003c\/strong\u003e. At Q-Tech we fit it in \u003cstrong\u003epre-assembled plant rooms\u003c\/strong\u003e and as a replacement pump.\u003c\/p\u003e\n\u003ch3\u003eSummary\u003c\/h3\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\u003cth\u003eType\u003c\/th\u003e\u003ctd\u003eFixed-speed wet-rotor circulator pump\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eBrand and model\u003c\/th\u003e\u003ctd\u003eDAB VS 150 mm (four heads)\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eUse\u003c\/th\u003e\u003ctd\u003eDomestic hot water return in closed pressurised or open-vented systems; also solar systems\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eMaximum head\u003c\/th\u003e\u003ctd\u003e0.83 to 6 m depending on model\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eFlow\u003c\/th\u003e\u003ctd\u003e0.6 to 3.7 m³ per hour\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eCompatible with\u003c\/th\u003e\u003ctd\u003eClean water, free of solids and mineral oils\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003ePower supply\u003c\/th\u003e\u003ctd\u003eSingle-phase 230 V, 50 Hz; 35 to 78 W depending on model\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eQ-Tech installation\u003c\/th\u003e\u003ctd\u003eFitted in a pre-assembled plant room or replaced on site by an Expert Technician\u003c\/td\u003e\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch3\u003eWhat is the DAB VS?\u003c\/h3\u003e\n\u003cp\u003eThe DAB VS is a wet-rotor circulator pump with an asynchronous motor, designed for domestic hot water return. The hydraulic part is bronze, a material suited to drinking water. Each model runs at a fixed speed.\u003c\/p\u003e\n\u003ch3\u003eWhat problem does it solve?\u003c\/h3\u003e\n\u003cp\u003eWhen the cylinder or boiler is far from the taps, the water in the pipe cools and you have to run it until it comes out hot. That wastes water and time.\u003c\/p\u003e\n\u003cp\u003eWith a return loop and a \u003cstrong\u003ebronze pump\u003c\/strong\u003e, hot water \u003cstrong\u003ereaches the tap sooner\u003c\/strong\u003e and less is wasted. A cast-iron pump on drinking water corrodes and fails sooner.\u003c\/p\u003e\n\u003ch3\u003eTechnical data\u003c\/h3\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\u003cth\u003eMaximum head\u003c\/th\u003e\u003ctd\u003e0.83 to 6 m depending on model\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eFlow\u003c\/th\u003e\u003ctd\u003e0.6 to 3.7 m³ per hour\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003ePower input (P1)\u003c\/th\u003e\u003ctd\u003e35 to 78 W depending on model\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eLiquid temperature\u003c\/th\u003e\u003ctd\u003e−10 to +85 °C for domestic hot water (up to +110 °C for other uses)\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eMaximum working pressure\u003c\/th\u003e\u003ctd\u003e10 bar (1,000 kPa)\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eMinimum inlet pressure\u003c\/th\u003e\u003ctd\u003e1.5 m water column at 90 °C\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eProtection and insulation\u003c\/th\u003e\u003ctd\u003eIP44 · class F\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eConnection\u003c\/th\u003e\u003ctd\u003eG 1½\" thread (DN25), 150 mm between ports\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eMaterials\u003c\/th\u003e\u003ctd\u003eBronze body, aluminium motor housing, technopolymer impeller, ceramic shaft on graphite bearings, stainless steel liners\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eMounting\u003c\/th\u003e\u003ctd\u003eMotor shaft horizontal\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\u003eMax. head\u003c\/th\u003e\u003cth\u003eMax. power\u003c\/th\u003e\u003cth\u003eEnergy class\u003c\/th\u003e\u003cth\u003eDAB code\u003c\/th\u003e\u003cth\u003eNet weight\u003c\/th\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eVS 8\/150 M\u003c\/th\u003e\u003ctd\u003e0.83 m\u003c\/td\u003e\u003ctd\u003e35 W\u003c\/td\u003e\u003ctd\u003eB\u003c\/td\u003e\u003ctd\u003e60182217\u003c\/td\u003e\u003ctd\u003e2.6 kg\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eVS 16\/150 M\u003c\/th\u003e\u003ctd\u003e1.82 m\u003c\/td\u003e\u003ctd\u003e41 W\u003c\/td\u003e\u003ctd\u003eB\u003c\/td\u003e\u003ctd\u003e60182216\u003c\/td\u003e\u003ctd\u003e2.6 kg\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eVS 35\/150 M\u003c\/th\u003e\u003ctd\u003e4.1 m\u003c\/td\u003e\u003ctd\u003e55 W\u003c\/td\u003e\u003ctd\u003eB\u003c\/td\u003e\u003ctd\u003e60182215\u003c\/td\u003e\u003ctd\u003e2.6 kg\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eVS 65\/150 M\u003c\/th\u003e\u003ctd\u003e6 m\u003c\/td\u003e\u003ctd\u003e78 W\u003c\/td\u003e\u003ctd\u003eC\u003c\/td\u003e\u003ctd\u003e60182213\u003c\/td\u003e\u003ctd\u003e2.6 kg\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\u003eUnions not included\u003c\/strong\u003e: order them separately to suit your pipework.\u003c\/li\u003e\n\u003cli\u003eClean, non-viscous water, free of solids and mineral oils.\u003c\/li\u003e\n\u003cli\u003eMount only with the motor shaft horizontal.\u003c\/li\u003e\n\u003cli\u003eNot electronic: it always runs at the same speed. For lower consumption in the same size, choose the EVOSTA 2 SAN.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhen this product is not the right choice\u003c\/h3\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\u003cth\u003eProduct\u003c\/th\u003e\u003cth\u003eWhen to choose it\u003c\/th\u003e\u003cth\u003eMax. head\u003c\/th\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003e\u003ca href=\"\/en-en\/products\/dab-evosta-2-san-hot-water-circulator-pump\"\u003eDAB EVOSTA 2 SAN\u003c\/a\u003e\u003c\/th\u003e\u003ctd\u003eYou want a low-consumption electronic pump in the same 150 mm size\u003c\/td\u003e\u003ctd\u003e6.9 or 8 m\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003e\u003ca href=\"\/en-en\/products\/dab-vortex-bwo-155-r-hot-water-pump\"\u003eDAB VORTEX BWO 155 R\u003c\/a\u003e\u003c\/th\u003e\u003ctd\u003eA home with a short loop; you want a built-in thermostat or timer\u003c\/td\u003e\u003ctd\u003e1.3 m\u003c\/td\u003e\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch3\u003eFrequently asked questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhich model do I need?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eIt depends on the length and losses of the return loop. A home usually needs a low head; a building needs more. If you are unsure, we will help you choose.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan it be used for heating?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eDAB allows up to +110 °C for other uses, but it is designed for domestic hot water. For heating, the EVOSTA 2 is electronic and uses less power.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAre the unions included?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo. Unions are sold separately.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the delivery time?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eIt is in stock at our warehouse; if none were left, we would order it urgently and tell you the lead time.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWho should install it?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eQualified professionals must make the plumbing and electrical connections.\u003c\/p\u003e\n\u003ch3\u003eQ-Tech installation and support\u003c\/h3\u003e\n\u003cp\u003eQ-Tech fits and tests the pump in our workshop as part of a \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. To replace a pump in your system, book an \u003ca href=\"\/en-en\/products\/tecnico-experto-in-situ-horas\"\u003eon-site Expert Technician by the hour\u003c\/a\u003e; if you are unsure which model fits, request a \u003ca href=\"\/en-en\/products\/expert-technician-remote-technical-call\"\u003etechnical call\u003c\/a\u003e. More equipment in \u003ca href=\"\/en-en\/collections\/dab-circulator-pumps\"\u003eDAB circulator pumps\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch3\u003eDocumentation\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/dabpumps.es\/sites\/dabpumps.es\/files\/2026-11\/Vs%20-%20Cat%C3%A1logo.pdf\" target=\"_blank\" rel=\"noopener\"\u003eDAB VS catalogue, November 2026 (in Spanish)\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"qt-nota-stock\"\u003e\u003cstrong\u003eAvailability and lead times:\u003c\/strong\u003e this item is in stock at our warehouse. Occasionally, depending on the time of year, the stock update may contain an error. If no units are available when you place your order, we will order it urgently and inform you immediately of the updated delivery time.\u003c\/p\u003e","brand":"DAB","offers":[{"title":"VS 8\/150 M","offer_id":59088665936216,"sku":"SE-AC41040","price":288.09,"currency_code":"EUR","in_stock":true},{"title":"VS 16\/150 M","offer_id":59088665968984,"sku":"SE-AC41041","price":266.31,"currency_code":"EUR","in_stock":true},{"title":"VS 35\/150 M","offer_id":59088666001752,"sku":"SE-AC41042","price":324.72,"currency_code":"EUR","in_stock":true},{"title":"VS 65\/150 M","offer_id":59088666034520,"sku":"SE-AC41043","price":328.68,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0015\/4592\/8792\/files\/dab-vs-bomba-circuladora-bronce-acs.webp?v=1794322499","url":"https:\/\/q-tech.es\/en\/products\/dab-vs-domestic-hot-water-circulator-pump","provider":"Q-Tech ® ","version":"1.0","type":"link"}