{"product_id":"bomba-recirculacion-dab-vortex-bwo-155-r","title":"DAB VORTEX BWO 155 R domestic hot water recirculation pump","description":"\u003ch2\u003eCompact recirculation pump for household hot water\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eDAB VORTEX BWO 155 R\u003c\/strong\u003e circulates domestic hot water round a home's return loop and only runs when needed. It has a \u003cstrong\u003ebrass body\u003c\/strong\u003e with an R ½\" female thread, 80 mm between ports, delivers \u003cstrong\u003e1.3 m head and 950 litres per hour\u003c\/strong\u003e and draws \u003cstrong\u003e2.5 to 9 W\u003c\/strong\u003e. At Q-Tech we fit it as a replacement and in residential plant rooms.\u003c\/p\u003e\n\u003ch3\u003eSummary\u003c\/h3\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\u003cth\u003eType\u003c\/th\u003e\u003ctd\u003eWet-rotor recirculation pump with control module\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eBrand and model\u003c\/th\u003e\u003ctd\u003eDAB VORTEX BlueOne BWO 155 R (Vortex, part of the DAB group)\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eUse\u003c\/th\u003e\u003ctd\u003eDomestic hot water return in homes, closed pressurised or open-vented systems\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eMaximum head\u003c\/th\u003e\u003ctd\u003e1.3 m\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eMaximum flow\u003c\/th\u003e\u003ctd\u003e950 litres per hour\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eControl\u003c\/th\u003e\u003ctd\u003eElectronic thermostat (ERT), timer (ZM) or timer with fixed thermostat (ZM KT)\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003ePower supply\u003c\/th\u003e\u003ctd\u003eSingle-phase 115-230 V, 50 or 60 Hz; 2.5 to 9 W\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eQ-Tech installation\u003c\/th\u003e\u003ctd\u003eReplaced on site by an Expert Technician or fitted in a plant room\u003c\/td\u003e\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch3\u003eWhat is the DAB VORTEX BWO 155 R?\u003c\/h3\u003e\n\u003cp\u003eIt is a recirculation pump from Vortex, the German manufacturer in the DAB group. Its spherical rotor runs on a single sealing ring between motor and body, which makes it easy to clean and replace. It comes with an insulation shell and dry-running protection.\u003c\/p\u003e\n\u003ch3\u003eWhat problem does it solve?\u003c\/h3\u003e\n\u003cp\u003eIn a home with a hot water return, a pump running day and night wastes electricity and cools the cylinder for no reason.\u003c\/p\u003e\n\u003cp\u003eThe BWO 155 R module \u003cstrong\u003edecides when it runs\u003c\/strong\u003e: the ERT stops and starts on return temperature (Δ 7 °C), the ZM follows the times you set and the ZM KT combines a timer with a fixed 46 to 55 °C thermostat. So it runs \u003cstrong\u003efewer hours on very little power\u003c\/strong\u003e.\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\u003e1.3 m\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eMaximum flow\u003c\/th\u003e\u003ctd\u003e950 l\/h\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003ePower consumption\u003c\/th\u003e\u003ctd\u003e2.5 to 9 W\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eSpeed\u003c\/th\u003e\u003ctd\u003e2,000 to 3,000 rpm\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eMaximum liquid temperature\u003c\/th\u003e\u003ctd\u003e95 °C\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\u003eProtection\u003c\/th\u003e\u003ctd\u003eIP44\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eConnection\u003c\/th\u003e\u003ctd\u003eR ½\" female thread, 80 mm between ports\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eWetted parts\u003c\/th\u003e\u003ctd\u003eBrass, stainless steel, EPDM and Noryl\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eIncluded\u003c\/th\u003e\u003ctd\u003eInsulation shell\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\u003eControl\u003c\/th\u003e\u003cth\u003eOperation\u003c\/th\u003e\u003cth\u003eCode\u003c\/th\u003e\u003cth\u003eNet weight\u003c\/th\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eBWO 155 R ERT\u003c\/th\u003e\u003ctd\u003eElectronic control thermostat\u003c\/td\u003e\u003ctd\u003eStops and starts on return temperature (Δ 7 °C)\u003c\/td\u003e\u003ctd\u003e60160031\u003c\/td\u003e\u003ctd\u003e1.25 kg\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eBWO 155 R ZM\u003c\/th\u003e\u003ctd\u003eMechanical timer\u003c\/td\u003e\u003ctd\u003eRuns during the programmed time slots\u003c\/td\u003e\u003ctd\u003e433121010\u003c\/td\u003e\u003ctd\u003e1.25 kg\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eBWO 155 R ZM KT\u003c\/th\u003e\u003ctd\u003eTimer and fixed thermostat\u003c\/td\u003e\u003ctd\u003eTime slots plus cut-off between 46 and 55 °C\u003c\/td\u003e\u003ctd\u003e433221010\u003c\/td\u003e\u003ctd\u003e1.25 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 with the R version: order them separately to suit your pipework.\u003c\/li\u003e\n\u003cli\u003eDesigned for homes: 1.3 m head is not enough for a building's return loop.\u003c\/li\u003e\n\u003cli\u003eThis listing is the R version (½\" female thread). The V version, with check valve and shut-off valve, is a different item.\u003c\/li\u003e\n\u003cli\u003eThe photos show the R version in front and the V version behind, with the same module.\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-vs-domestic-hot-water-circulator-pump\"\u003eDAB VS\u003c\/a\u003e\u003c\/th\u003e\u003ctd\u003eA small building or long return loop; you need more head\u003c\/td\u003e\u003ctd\u003e0.83 to 6 m\u003c\/td\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 an electronic bronze pump, 85 or 150 mm\u003c\/td\u003e\u003ctd\u003e1.1 to 8 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\u003eERT, ZM or ZM KT?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe ERT if you want it to run by itself on temperature; the ZM if you prefer set times; the ZM KT if you want set times and also want it to stop once the return is hot.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I replace just the motor?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. The brass body stays in the pipe and the motor with its module is replaced separately. Ask us for the part number.\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\u003eTo replace or install the return pump in your home, 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. In new builds we fit it in 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. 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\/Bwo%20-%20Cat%C3%A1logo.pdf\" target=\"_blank\" rel=\"noopener\"\u003eDAB BWO 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":"ERT electronic thermostat","offer_id":59088694739288,"sku":"SE-AC41099","price":341.11,"currency_code":"EUR","in_stock":true},{"title":"ZM timer","offer_id":59088694772056,"sku":"SE-AC41093","price":320.09,"currency_code":"EUR","in_stock":true},{"title":"ZM KT timer and fixed thermostat","offer_id":59088694804824,"sku":"SE-AC41095","price":365.65,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0015\/4592\/8792\/files\/dab-vortex-bwo-155-r-ert-termostato.webp?v=1794322715","url":"https:\/\/q-tech.es\/en-int\/products\/dab-vortex-bwo-155-r-hot-water-pump","provider":"Q-Tech ® ","version":"1.0","type":"link"}