{"product_id":"bomba-circuladora-dab-evosta-2-san","title":"DAB EVOSTA 2 SAN bronze circulator pump for domestic hot water","description":"\u003ch2\u003eLow-consumption bronze circulator pump for domestic hot water\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eDAB EVOSTA 2 SAN\u003c\/strong\u003e recirculates domestic hot water so it reaches the tap sooner. There are two types: the \u003cstrong\u003e11\/85 R\u003c\/strong\u003e, a compact 7 W pump for homes, and the \u003cstrong\u003e40-70\/150 and 80\/150\u003c\/strong\u003e, electronic pumps with a bronze body, 150 mm long and delivering \u003cstrong\u003eup to 8 m head\u003c\/strong\u003e. At Q-Tech we fit them in \u003cstrong\u003epre-assembled plant rooms\u003c\/strong\u003e and as replacement 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 circulator pump for domestic hot water\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eBrand and model\u003c\/th\u003e\u003ctd\u003eDAB EVOSTA 2 SAN 11\/85 R, 40-70\/150 and 80\/150\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eUse\u003c\/th\u003e\u003ctd\u003eDomestic hot water return in homes and residential buildings\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eMaximum head\u003c\/th\u003e\u003ctd\u003e1.1 m (11\/85 R), 6.9 m (40-70\/150) or 8 m (80\/150)\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eFlow\u003c\/th\u003e\u003ctd\u003eUp to 0.6 m³ per hour (11\/85 R) or 0.4 to 4.2 m³ per hour (150 mm)\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 or 60 Hz (11\/85 R: 115-230 V); 7 to 55 W\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 SAN?\u003c\/h3\u003e\n\u003cp\u003eIt is the domestic hot water version of DAB's EVOSTA 2. The 150 mm models have a permanent-magnet synchronous motor with an inverter, a bronze body and water-resistant electronics (IPX5). The 11\/85 R has a brass body and a synchronous motor with a spherical rotor on a single sealing ring, easy to clean and replace.\u003c\/p\u003e\n\u003ch3\u003eWhat problem does it solve?\u003c\/h3\u003e\n\u003cp\u003eOn a hot water return, an old fixed-speed pump uses electricity all day and can cause water hammer in the system.\u003c\/p\u003e\n\u003cp\u003eThe 150 mm EVOSTA 2 SAN models \u003cstrong\u003ematch their output to what the system needs\u003c\/strong\u003e, with 9 modes selected using a single button; the 11\/85 R \u003cstrong\u003euses just 7 W\u003c\/strong\u003e. The 150 mm models keep the size of classic bronze circulators such as the VS.\u003c\/p\u003e\n\u003ch3\u003eTechnical data\u003c\/h3\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\u003cth\u003eLiquid temperature\u003c\/th\u003e\u003ctd\u003e−10 to +110 °C (150 mm); +2 to +75 °C (11\/85 R)\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\u003eMinimum inlet pressure\u003c\/th\u003e\u003ctd\u003e10 m water column at 90 °C\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eProtection and insulation\u003c\/th\u003e\u003ctd\u003eIPX5 · class F (150 mm); IP42 · class II (11\/85 R)\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eControl modes (150 mm)\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\u003eBronze body and technopolymer impeller (150 mm); brass body (11\/85 R)\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eOther (150 mm)\u003c\/th\u003e\u003ctd\u003eBleed screw with shaft access and a cartridge that protects the shaft from limescale\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\u003ePump connection\u003c\/th\u003e\u003cth\u003ePort-to-port length\u003c\/th\u003e\u003cth\u003eMax. head\u003c\/th\u003e\u003cth\u003eMax. power\u003c\/th\u003e\u003cth\u003eDAB code\u003c\/th\u003e\u003cth\u003eNet weight\u003c\/th\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003e11\/85 R\u003c\/th\u003e\u003ctd\u003eG ½\" female thread\u003c\/td\u003e\u003ctd\u003e85 mm\u003c\/td\u003e\u003ctd\u003e1.1 m\u003c\/td\u003e\u003ctd\u003e7 W\u003c\/td\u003e\u003ctd\u003e60187267\u003c\/td\u003e\u003ctd\u003e1.06 kg\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003e40-70\/150\u003c\/th\u003e\u003ctd\u003eG 1½\" (DN25)\u003c\/td\u003e\u003ctd\u003e150 mm\u003c\/td\u003e\u003ctd\u003e6.9 m\u003c\/td\u003e\u003ctd\u003e35 W\u003c\/td\u003e\u003ctd\u003e60186164\u003c\/td\u003e\u003ctd\u003e2.16 kg\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003e80\/150\u003c\/th\u003e\u003ctd\u003eG 1½\" (DN25)\u003c\/td\u003e\u003ctd\u003e150 mm\u003c\/td\u003e\u003ctd\u003e8 m\u003c\/td\u003e\u003ctd\u003e55 W\u003c\/td\u003e\u003ctd\u003e60186588\u003c\/td\u003e\u003ctd\u003e2.16 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\u003eThe 11\/85 R has no valves: the V version, with shut-off and check valves, is a different item.\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\u003eYou want a fixed-speed 150 mm bronze pump\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-vortex-bwo-155-r-hot-water-pump\"\u003eDAB VORTEX BWO 155 R\u003c\/a\u003e\u003c\/th\u003e\u003ctd\u003eA home; you want a built-in timer or thermostat\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 one should I choose?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe 11\/85 R for a home with a short return loop. The 150 mm models for longer loops or buildings, or to replace a 150 mm bronze pump.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes it replace a VS?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. The 150 mm EVOSTA 2 SAN models have the same port-to-port length and the same 1½\" thread.\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\/Evosta2%20San%20-%20Cat%C3%A1logo.pdf\" target=\"_blank\" rel=\"noopener\"\u003eDAB EVOSTA 2 SAN 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\/Evosta2%20San%20V%2CR%20-%20Cat%C3%A1logo.pdf\" target=\"_blank\" rel=\"noopener\"\u003eDAB EVOSTA 2 SAN V and R catalogue, November 2026 (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_san\/documentation\/r-d-documentation\/instruction-manual\/evosta_2_san_dab_instruction_manual_web_version_multi_60187640.pdf\" target=\"_blank\" rel=\"noopener\"\u003eDAB EVOSTA 2 SAN instruction manual (multilingual)\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-san-v,-evosta-2-san-r\/documentation\/r-d-documentation\/instruction-manual\/evosta_2_san_vr_dab_instruction_manual_web_version_multi_60245676.pdf\" target=\"_blank\" rel=\"noopener\"\u003eDAB EVOSTA 2 SAN V and R instruction manual (multilingual)\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":"11\/85 R ½\"","offer_id":59088697491800,"sku":"SE-AC41091","price":149.74,"currency_code":"EUR","in_stock":true},{"title":"40-70\/150","offer_id":59088697524568,"sku":"SE-AC41420","price":299.97,"currency_code":"EUR","in_stock":true},{"title":"80\/150","offer_id":59088697557336,"sku":"SE-AC41425","price":390.06,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0015\/4592\/8792\/files\/dab-evosta-2-san-150-bomba-circuladora-acs.webp?v=1794322833","url":"https:\/\/q-tech.es\/en\/products\/dab-evosta-2-san-hot-water-circulator-pump","provider":"Q-Tech ® ","version":"1.0","type":"link"}