{"product_id":"bomba-circuladora-dab-evosta-2","title":"DAB EVOSTA 2 circulator pump for heating and cooling systems","description":"\u003ch2\u003eElectronic circulator pump for domestic heating and cooling, easy to swap in\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eDAB EVOSTA 2\u003c\/strong\u003e moves the water in your heating, underfloor heating or cooling system with an electronic motor that adjusts its own power. At Q-Tech we fit it in \u003cstrong\u003epre-assembled plant rooms\u003c\/strong\u003e and use it to replace old three-speed pumps.\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 electronic circulator pump\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eBrand and model\u003c\/th\u003e\u003ctd\u003eDAB EVOSTA 2 40-70 (130 or 180 mm)\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eUse\u003c\/th\u003e\u003ctd\u003eDomestic heating, underfloor heating, air conditioning and cooling\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eMaximum head\u003c\/th\u003e\u003ctd\u003e6.9 m\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eMaximum flow\u003c\/th\u003e\u003ctd\u003e3.6 m³ per hour\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eCompatible with\u003c\/th\u003e\u003ctd\u003eClean water or water with up to 50% glycol\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003ePower supply\u003c\/th\u003e\u003ctd\u003eSingle-phase 230 V, 50 or 60 Hz; 35 W maximum\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 EVOSTA 2?\u003c\/h3\u003e\n\u003cp\u003eThe DAB EVOSTA 2 is a circulator pump from DAB for domestic heating and cooling systems that adapts its speed with an inverter. Its permanent-magnet synchronous motor runs on a wet rotor. It mounts in the pipework with the motor shaft horizontal.\u003c\/p\u003e\n\u003ch3\u003eWhat problem does it solve?\u003c\/h3\u003e\n\u003cp\u003eMany systems still run three-speed pumps that turn at the same speed even when the house needs little flow. That wastes electricity and causes noise in radiators or underfloor heating.\u003c\/p\u003e\n\u003cp\u003eThe EVOSTA 2 \u003cstrong\u003ekeeps the dimensions of those pumps (130 or 180 mm between ports)\u003c\/strong\u003e and \u003cstrong\u003ematches its output to the system\u003c\/strong\u003e. DAB states an energy efficiency index of \u003cstrong\u003eEEI ≤ 0.18\u003c\/strong\u003e. Choosing the wrong length or thread means cutting pipe or changing unions.\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\u003e6.9 m\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eFlow\u003c\/th\u003e\u003ctd\u003e0.4 to 3.6 m³ per hour\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003ePower input (P1)\u003c\/th\u003e\u003ctd\u003e35 W maximum\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eCurrent\u003c\/th\u003e\u003ctd\u003e0.043 to 0.32 A\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eEnergy efficiency index\u003c\/th\u003e\u003ctd\u003eEEI ≤ 0.18\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eLiquid temperature\u003c\/th\u003e\u003ctd\u003e−10 to +110 °C\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eWorking pressure\u003c\/th\u003e\u003ctd\u003e10 bar (1,000 kPa)\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eProtection and insulation\u003c\/th\u003e\u003ctd\u003eIPX5 · class F\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eControl modes\u003c\/th\u003e\u003ctd\u003e9: three proportional pressure, three constant pressure and three constant speed\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eMaterials\u003c\/th\u003e\u003ctd\u003eCataphoresis-coated cast-iron body, stainless steel motor casing, technopolymer impeller\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eOther\u003c\/th\u003e\u003ctd\u003eBleed screw with shaft access, anti-limescale cartridge\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\u003ePump connection\u003c\/th\u003e\u003cth\u003ePort-to-port length\u003c\/th\u003e\u003cth\u003eMax. head\u003c\/th\u003e\u003cth\u003ePower\u003c\/th\u003e\u003cth\u003eDAB code\u003c\/th\u003e\u003cth\u003eNet weight\u003c\/th\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003e40-70\/130 ½\"\u003c\/th\u003e\u003ctd\u003eG 1\" (DN15)\u003c\/td\u003e\u003ctd\u003e130 mm\u003c\/td\u003e\u003ctd\u003e6.9 m\u003c\/td\u003e\u003ctd\u003e35 W\u003c\/td\u003e\u003ctd\u003e60231855\u003c\/td\u003e\u003ctd\u003e1.86 kg\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003e40-70\/130\u003c\/th\u003e\u003ctd\u003eG 1½\" (DN25)\u003c\/td\u003e\u003ctd\u003e130 mm\u003c\/td\u003e\u003ctd\u003e6.9 m\u003c\/td\u003e\u003ctd\u003e35 W\u003c\/td\u003e\u003ctd\u003e60231853\u003c\/td\u003e\u003ctd\u003e2.02 kg\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003e40-70\/180\u003c\/th\u003e\u003ctd\u003eG 1½\" (DN25)\u003c\/td\u003e\u003ctd\u003e180 mm\u003c\/td\u003e\u003ctd\u003e6.9 m\u003c\/td\u003e\u003ctd\u003e35 W\u003c\/td\u003e\u003ctd\u003e60231852\u003c\/td\u003e\u003ctd\u003e2.19 kg\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003e40-70\/180X\u003c\/th\u003e\u003ctd\u003eG 2\" (DN32)\u003c\/td\u003e\u003ctd\u003e180 mm\u003c\/td\u003e\u003ctd\u003e6.9 m\u003c\/td\u003e\u003ctd\u003e35 W\u003c\/td\u003e\u003ctd\u003e60231862\u003c\/td\u003e\u003ctd\u003e2.35 kg\u003c\/td\u003e\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003cp\u003eCodes 6023185x and 60231862 replace codes 601860xx and 60185492 from earlier catalogues, with the same model and the same dimensions.\u003c\/p\u003e\n\u003ch3\u003eCompatibility and limits\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eUnions and flanges not included\u003c\/strong\u003e: order them separately to suit your pipework.\u003c\/li\u003e\n\u003cli\u003eClean liquid, free of solids and mineral oils, with up to 50% glycol.\u003c\/li\u003e\n\u003cli\u003eMount only with the motor shaft horizontal.\u003c\/li\u003e\n\u003cli\u003eNot a domestic hot water pump: for DHW, DAB offers the EVOSTA 2 SAN series with a bronze body.\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\u003cth\u003eDisplay\u003c\/th\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003e\u003ca href=\"\/en-en\/products\/dab-evosta-3-circulator-pump\"\u003eDAB EVOSTA 3\u003c\/a\u003e\u003c\/th\u003e\u003ctd\u003eYou need more head or want to see flow and consumption on screen\u003c\/td\u003e\u003ctd\u003e4, 6 or 8 m\u003c\/td\u003e\u003ctd\u003eYes\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eOther brands\u003c\/th\u003e\u003ctd\u003eCompare with Grundfos and Wilo in \u003ca href=\"\/en-en\/collections\/bombas-recirculadoras\"\u003ecirculator pumps\u003c\/a\u003e\u003c\/td\u003e\u003ctd\u003eDepends on model\u003c\/td\u003e\u003ctd\u003eDepends on model\u003c\/td\u003e\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch3\u003eFrequently asked questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhich model do I need?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe one with the same port-to-port length and the same thread as your current pump. Measure the length (130 or 180 mm) and the pump thread (1\", 1½\" or 2\").\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes it replace my three-speed pump?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes, if your current pump has the same port-to-port length and the same thread. DAB designed the EVOSTA 2 to the dimensions of classic 130 and 180 mm circulators.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAre the unions included?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo. Unions and flanges 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\u003eCan I install it myself?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eSwapping it is a simple job for a professional. A qualified person must make the electrical connection.\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 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. More equipment in \u003ca href=\"\/en-en\/collections\/bombas-recirculadoras\"\u003ecirculator 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\/Evosta2%20-%20Cat%C3%A1logo.pdf\" target=\"_blank\" rel=\"noopener\"\u003eDAB EVOSTA 2 catalogue, November 2026 (in Spanish)\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/dabpumps.es\/sites\/dabpumps.es\/files\/2026-11\/60187353_NEW%20EVOSTA%202-3_ESP.pdf\" target=\"_blank\" rel=\"noopener\"\u003eDAB EVOSTA 2 and 3 leaflet (in Spanish)\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.dabpumps.com\/content\/dam\/dabpumps-dam\/products\/dab\/eng_master\/electronic_circulators1\/evosta_2\/documentation\/red_documentation\/quick_guide\/evosta_2_dab_quick_guide_multi_60185474.pdf\" target=\"_blank\" rel=\"noopener\"\u003eDAB EVOSTA 2 quick guide (multilingual)\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003ciframe src=\"https:\/\/www.youtube-nocookie.com\/embed\/qRM0OK-LihQ\" title=\"DAB EVOSTA 2 and 3, technical presentation video of the range\" width=\"560\" height=\"315\" allowfullscreen\u003e\u003c\/iframe\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","brand":"DAB","offers":[{"title":"40-70\/130 ½\"","offer_id":59078474891608,"sku":"SE-AC41045","price":174.51,"currency_code":"EUR","in_stock":true},{"title":"40-70\/130","offer_id":59078474924376,"sku":"SE-AC41046","price":174.51,"currency_code":"EUR","in_stock":true},{"title":"40-70\/180","offer_id":59078474957144,"sku":"SE-AC41047","price":174.51,"currency_code":"EUR","in_stock":true},{"title":"40-70\/180X","offer_id":59078474989912,"sku":"SE-AC41048","price":174.51,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0015\/4592\/8792\/files\/dab-evosta-2-bomba-circuladora-vista-tres-cuartos.webp?v=1794232304","url":"https:\/\/q-tech.es\/en-en\/products\/dab-evosta-2-circulator-pump","provider":"Q-Tech ® ","version":"1.0","type":"link"}