{"product_id":"valvula-selectora-motorizada-esbe-zrs230-3-vias","title":"ESBE ZRS230 motorised 3-way diverting zone valve with spring return","description":"\u003ch2\u003eESBE ZRS230 motorised 3-way diverting zone valve for heating and cooling\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eESBE ZRS230\u003c\/strong\u003e sends water to one of two circuits on a 2-point signal at 230 V and, when power is removed, returns to port B on its own. At Q-Tech we fit it in the \u003cstrong\u003epre-assembled plant room\u003c\/strong\u003e, tested in our workshop before it reaches your site.\u003c\/p\u003e\n\u003ch3\u003eSummary\u003c\/h3\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\u003cth\u003eType\u003c\/th\u003e\u003ctd\u003eMotorised 3-way diverting zone valve\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eBrand and model\u003c\/th\u003e\u003ctd\u003eESBE ZRS230 series (ZRS234)\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eUse\u003c\/th\u003e\u003ctd\u003eHeating and cooling, according to ESBE\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eFlow\u003c\/th\u003e\u003ctd\u003eKv from 3.2 to 8.4 m³ per hour depending on DN\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eConnection\u003c\/th\u003e\u003ctd\u003eInternal thread G ½ to G 1¼ (DN 15 to 32)\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003ePower supply\u003c\/th\u003e\u003ctd\u003e230 V AC, 50 or 60 Hz; 2-point control\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eWith no power\u003c\/th\u003e\u003ctd\u003eSpring return to port B (AB to B)\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eQ-Tech installation\u003c\/th\u003e\u003ctd\u003eIntegrated and tested in the \u003ca href=\"\/en-en\/pages\/pre-montaje-avanzado\"\u003eQ-Tech pre-assembled plant room\u003c\/a\u003e\u003c\/td\u003e\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch3\u003eWhat is the ESBE ZRS230?\u003c\/h3\u003e\n\u003cp\u003eThe ESBE ZRS230 is a 3-way diverting zone valve for heating and cooling that \u003cstrong\u003esprings back to port B\u003c\/strong\u003e if power is lost, according to ESBE. With power, the actuator opens the path from AB to A in 15 seconds. It accepts water with up to 50% glycol.\u003c\/p\u003e\n\u003ch3\u003eWhat problem does it solve?\u003c\/h3\u003e\n\u003cp\u003eIn a system with two circuits, for example radiators and a domestic hot water cylinder, water has to go to one or the other according to demand. The ZRS230 makes that change on a \u003cstrong\u003e2-point signal\u003c\/strong\u003e from your controller or thermostat.\u003c\/p\u003e\n\u003cp\u003eIf the power fails, the spring moves the valve to port B in about 5 seconds, according to ESBE. The system is left in a known position: connect to port B the circuit that should stay open with no power.\u003c\/p\u003e\n\u003ch3\u003eTechnical data\u003c\/h3\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\u003cth\u003ePressure class\u003c\/th\u003e\u003ctd\u003ePN16\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eMedia temperature\u003c\/th\u003e\u003ctd\u003e2 to 94 °C\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eLeakage rate\u003c\/th\u003e\u003ctd\u003e0% (tight shut-off)\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eMedia\u003c\/th\u003e\u003ctd\u003eWater, water with up to 50% glycol or up to 28% ethanol\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eBody material\u003c\/th\u003e\u003ctd\u003eCW614N brass\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eO-rings\u003c\/th\u003e\u003ctd\u003eEPDM\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eConnections\u003c\/th\u003e\u003ctd\u003eInternal thread G (ISO 228-1)\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eActuator power supply\u003c\/th\u003e\u003ctd\u003e230 V AC, 50 or 60 Hz\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003ePower consumption\u003c\/th\u003e\u003ctd\u003e6 VA\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eControl\u003c\/th\u003e\u003ctd\u003e2-point with spring return\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eRunning time\u003c\/th\u003e\u003ctd\u003eOpens in 15 s; spring closes in 5 s\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eProtection\u003c\/th\u003e\u003ctd\u003eIP44; protection class I\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eCable\u003c\/th\u003e\u003ctd\u003e1 m\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eAmbient temperature\u003c\/th\u003e\u003ctd\u003e0 to 60 °C\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eConformity\u003c\/th\u003e\u003ctd\u003eCE marking, with ESBE declaration of conformity\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\u003eDN\u003c\/th\u003e\u003cth\u003eKv (m³ per hour)\u003c\/th\u003e\u003cth\u003eMax. differential pressure as diverting valve\u003c\/th\u003e\u003cth\u003eMax. differential pressure as mixing valve\u003c\/th\u003e\u003cth\u003eDimensions A, B and D\u003c\/th\u003e\u003cth\u003eNet weight\u003c\/th\u003e\u003cth\u003eReference\u003c\/th\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eZRS234\u003c\/td\u003e\u003ctd\u003eG ½ internal\u003c\/td\u003e\u003ctd\u003e15\u003c\/td\u003e\u003ctd\u003e3.2\u003c\/td\u003e\u003ctd\u003e150 kPa\u003c\/td\u003e\u003ctd\u003e120 kPa\u003c\/td\u003e\u003ctd\u003e80, 103 and 29 mm\u003c\/td\u003e\u003ctd\u003e1.02 kg\u003c\/td\u003e\u003ctd\u003e43123100\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eZRS234\u003c\/td\u003e\u003ctd\u003eG ¾ internal\u003c\/td\u003e\u003ctd\u003e20\u003c\/td\u003e\u003ctd\u003e4.6\u003c\/td\u003e\u003ctd\u003e100 kPa\u003c\/td\u003e\u003ctd\u003e80 kPa\u003c\/td\u003e\u003ctd\u003e89, 103 and 32 mm\u003c\/td\u003e\u003ctd\u003e1.07 kg\u003c\/td\u003e\u003ctd\u003e43123200\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eZRS234\u003c\/td\u003e\u003ctd\u003eG 1 internal\u003c\/td\u003e\u003ctd\u003e25\u003c\/td\u003e\u003ctd\u003e5.7\u003c\/td\u003e\u003ctd\u003e100 kPa\u003c\/td\u003e\u003ctd\u003e80 kPa\u003c\/td\u003e\u003ctd\u003e93, 103 and 37 mm\u003c\/td\u003e\u003ctd\u003e1.16 kg\u003c\/td\u003e\u003ctd\u003e43123300\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eZRS234\u003c\/td\u003e\u003ctd\u003eG 1¼ internal\u003c\/td\u003e\u003ctd\u003e32\u003c\/td\u003e\u003ctd\u003e8.4\u003c\/td\u003e\u003ctd\u003e80 kPa\u003c\/td\u003e\u003ctd\u003e65 kPa\u003c\/td\u003e\u003ctd\u003e105, 110 and 45 mm\u003c\/td\u003e\u003ctd\u003e1.58 kg\u003c\/td\u003e\u003ctd\u003e43123400\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\u003eMaximum differential pressure of 150 kPa\u003c\/strong\u003e on DN 15 and 80 kPa on DN 32 as a diverting valve, according to ESBE.\u003c\/li\u003e\n\u003cli\u003eWith no power, flow is \u003cstrong\u003efrom AB to B\u003c\/strong\u003e; with power, from AB to A.\u003c\/li\u003e\n\u003cli\u003eIt needs a 2-point 230 V (on-off) signal from a controller or thermostat.\u003c\/li\u003e\n\u003cli\u003eMedia from 2 to 94 °C and ambient temperature from 0 to 60 °C, according to ESBE.\u003c\/li\u003e\n\u003cli\u003eESBE offers the ZRS931 replacement actuator (47120200), which is not on this page.\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\u003eKv (m³ per hour)\u003c\/th\u003e\u003cth\u003ePower supply\u003c\/th\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003e\u003ca href=\"\/en-en\/products\/valvula-de-zona-motorizada-esbe-zrs220-de-2-vias-con-retorno-por-muelle\"\u003eESBE ZRS220 2-way\u003c\/a\u003e\u003c\/td\u003e\u003ctd\u003eIf you only need to open or close the flow to one zone\u003c\/td\u003e\u003ctd\u003e3.2 to 10\u003c\/td\u003e\u003ctd\u003e230 V, 2-point\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003e\u003ca href=\"\/en-en\/products\/valvula-selectora-esbe-vzd160-bomba-de-calor\"\u003eESBE VZD160 for heat pumps\u003c\/a\u003e\u003c\/td\u003e\u003ctd\u003eIf you need a compact 3-second diverting valve for a heat pump or underfloor heating\u003c\/td\u003e\u003ctd\u003e6.0\u003c\/td\u003e\u003ctd\u003e230 V, 2-point\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003e\u003ca href=\"\/en-en\/products\/valvula-desviadora-termostatica-esbe-vtd300\"\u003eESBE VTD300 thermostatic\u003c\/a\u003e\u003c\/td\u003e\u003ctd\u003eIf the circuit must change by temperature and with no electricity\u003c\/td\u003e\u003ctd\u003e3.6\u003c\/td\u003e\u003ctd\u003eNone\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 that matches your pipe size: from DN 15 (G ½) to DN 32 (G 1¼). Tell us about your installation and we will tell you the model.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the difference from the ZRS220?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe ZRS220 is a 2-way valve that opens or closes one zone. The ZRS230 is a 3-way valve that sends water to one of two circuits.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat happens in a power cut?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe spring moves the valve to port B in about 5 seconds, according to ESBE.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan the actuator be replaced on its own?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. ESBE sells the ZRS931 actuator as a spare part for the ZRS230 series.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I install it myself?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eIt is not advisable: a professional should install and wire it, following ESBE's instructions. Q-Tech delivers it fitted in the plant room or installs it with an Expert Technician.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the delivery time?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWe have it \u003cstrong\u003ein stock in Málaga\u003c\/strong\u003e and dispatch it as soon as we confirm your order.\u003c\/p\u003e\n\u003ch3\u003eQ-Tech installation and support\u003c\/h3\u003e\n\u003cp\u003eIn the \u003ca href=\"\/en-en\/pages\/pre-montaje-avanzado\"\u003epre-assembled plant room\u003c\/a\u003e, Q-Tech fits the ZRS230, wires it to your controller and \u003cstrong\u003etests it in our workshop\u003c\/strong\u003e: it arrives ready to connect. You can book \u003ca href=\"\/en-en\/products\/tecnico-experto-pre-montaje-nave\"\u003eworkshop pre-assembly\u003c\/a\u003e, an \u003ca href=\"\/en-en\/products\/tecnico-experto-in-situ-horas\"\u003eon-site hourly Expert Technician\u003c\/a\u003e or a \u003ca href=\"\/en-en\/products\/expert-technician-remote-technical-call\"\u003etechnical call\u003c\/a\u003e to choose the size. See also our \u003ca href=\"\/en-en\/collections\/valvuleria-y-accesorios\"\u003evalves and accessories\u003c\/a\u003e 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\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/esbe.eu\/storage\/307C9BA9E66CBAE45D541045D7DABE9C33F04B3D39516164630A517B1D0BFB36\/bc829a572e1541898cdaf6ac9c7fd680\/pdf\/media\/5c1d39aa77514185afa98049c925419e\/ZRS230_es_G2_LR.pdf\" target=\"_blank\" rel=\"noopener\"\u003eESBE ZRS230 data sheet (in Spanish)\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/esbe.eu\/storage\/90088FD9CCFC151676F97BCF21D7FED0474CE8FAB2F8EAA7D510523601431FF5\/1bc9523c2da44c5a850c269259355edc\/pdf\/media\/c1d286d5299b458eafbe3d448762b974\/Anv_Anv_ZRS200_98140985_versB_lr.pdf\" target=\"_blank\" rel=\"noopener\"\u003eZRS200 series installation instructions (multilingual)\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/esbe.eu\/storage\/CDC210FF3C68215F97B85EE2E6060A9607BA635AF24FEB023F8D31B232F238EF\/2df527e47d434c46bc808c33a30f76a9\/pdf\/media\/fef8066446eb4a7399bd2638d39abf7d\/DoC_ZRS200_B.pdf\" target=\"_blank\" rel=\"noopener\"\u003eDeclaration of conformity\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":"ESBE","offers":[{"title":"ZRS234 DN 15 · G ½ (43123100)","offer_id":59036704702808,"sku":"SE-CO10487","price":236.66,"currency_code":"EUR","in_stock":true},{"title":"ZRS234 DN 20 · G ¾ (43123200)","offer_id":59036704735576,"sku":"SE-CO10488","price":223.35,"currency_code":"EUR","in_stock":true},{"title":"ZRS234 DN 25 · G 1 (43123300)","offer_id":59036704768344,"sku":"SE-CO10489","price":224.96,"currency_code":"EUR","in_stock":true},{"title":"ZRS234 DN 32 · G 1¼ (43123400)","offer_id":59036704801112,"sku":"SE-CO10493","price":325.62,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0015\/4592\/8792\/files\/esbe-zrs234-valvula-selectora-3-vias.webp?v=1793798341","url":"https:\/\/q-tech.es\/en-en\/products\/esbe-zrs230-motorised-3-way-diverting-zone-valve","provider":"Q-Tech ® ","version":"1.0","type":"link"}