{"title":"expansion valves","description":"","products":[{"product_id":"vail-0020148034-coil-expansion-valve","title":"Vaillant 0020148034 Expansion Valve Coil - Arotherm\/VWL","description":"\u003cp data-end=\"593\" data-start=\"233\"\u003eThe \u003cstrong data-end=\"260\" data-start=\"237\"\u003eVaillant 0020148034\u003c\/strong\u003e is a genuine OEM \u003cstrong data-end=\"302\" data-start=\"278\"\u003eexpansion valve coil\u003c\/strong\u003e designed for use with compatible Vaillant \u003cstrong data-end=\"357\" data-start=\"345\"\u003earoTHERM\u003c\/strong\u003e and \u003cstrong data-end=\"398\" data-start=\"362\"\u003eVWL air source heat pump systems\u003c\/strong\u003e. This electrical coil operates the thermal expansion valve (TXV\/TEV), regulating refrigerant flow in response to system demand to ensure efficient heat transfer and stable heat pump performance.\u003c\/p\u003e\n\u003cp data-end=\"870\" data-start=\"595\"\u003eA failing coil can cause incorrect refrigerant metering, leading to poor heating output, icing, system errors, unstable performance, or complete heat pump shutdown. Replacing it with this genuine Vaillant component restores accurate valve operation and long-term reliability.\u003c\/p\u003e\n\u003cp data-end=\"891\" data-start=\"872\"\u003e\u003cstrong data-end=\"889\" data-start=\"872\"\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-end=\"1354\" data-start=\"892\"\u003e\n\u003cli data-end=\"937\" data-start=\"892\"\u003e\n\u003cp data-end=\"937\" data-start=\"894\"\u003e\u003cstrong data-end=\"935\" data-start=\"894\"\u003eGenuine Vaillant expansion valve coil\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"987\" data-start=\"938\"\u003e\n\u003cp data-end=\"987\" data-start=\"940\"\u003eOperates the TXV to regulate refrigerant flow\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1044\" data-start=\"988\"\u003e\n\u003cp data-end=\"1044\" data-start=\"990\"\u003eEnsures efficient heat transfer and system stability\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1093\" data-start=\"1045\"\u003e\n\u003cp data-end=\"1093\" data-start=\"1047\"\u003eDesigned for aroTHERM \u0026amp; VWL heat pump models\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1164\" data-start=\"1094\"\u003e\n\u003cp data-end=\"1164\" data-start=\"1096\"\u003eHelps resolve icing, low output, pressure faults \u0026amp; system lockouts\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1242\" data-start=\"1165\"\u003e\n\u003cp data-end=\"1242\" data-start=\"1167\"\u003eManufactured to Vaillant’s strict OEM electrical and mechanical standards\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1297\" data-start=\"1243\"\u003e\n\u003cp data-end=\"1297\" data-start=\"1245\"\u003eDurable, reliable, and built for long service life\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1354\" data-start=\"1298\"\u003e\n\u003cp data-end=\"1354\" data-start=\"1300\"\u003eDirect-fit replacement for professional installation\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-end=\"1359\" data-start=\"1356\"\u003e\n\u003ch3 data-end=\"1382\" data-start=\"1361\"\u003e\u003cstrong data-end=\"1382\" data-start=\"1365\"\u003eCompatibility\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-end=\"1451\" data-start=\"1383\"\u003eThe \u003cstrong data-end=\"1431\" data-start=\"1387\"\u003eVaillant 0020148034 Expansion Valve Coil\u003c\/strong\u003e is compatible with:\u003c\/p\u003e\n\u003cul data-end=\"1621\" data-start=\"1453\"\u003e\n\u003cli data-end=\"1500\" data-start=\"1453\"\u003e\n\u003cp data-end=\"1500\" data-start=\"1455\"\u003e\u003cstrong data-end=\"1476\" data-start=\"1455\"\u003eVaillant aroTHERM\u003c\/strong\u003e air source heat pumps\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1538\" data-start=\"1501\"\u003e\n\u003cp data-end=\"1538\" data-start=\"1503\"\u003e\u003cstrong data-end=\"1519\" data-start=\"1503\"\u003eVaillant VWL\u003c\/strong\u003e heat pump models\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1621\" data-start=\"1539\"\u003e\n\u003cp data-end=\"1621\" data-start=\"1541\"\u003eAny Vaillant system listing \u003cstrong data-end=\"1583\" data-start=\"1569\"\u003e0020148034\u003c\/strong\u003e in its official parts documentation\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-end=\"1729\" data-start=\"1623\"\u003e\u003cem data-end=\"1729\" data-start=\"1623\"\u003eInstallers should always confirm exact compatibility using the heat pump’s service manual or parts list.\u003c\/em\u003e\u003c\/p\u003e","brand":"Vaillant","offers":[{"title":"Default Title","offer_id":56695660380505,"sku":null,"price":47.52,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0982\/9738\/1209\/files\/1386052.jpg?v=1764255248"},{"product_id":"vail-0020192789-expansion-valve-5k","title":"Vaillant 0020192789 Expansion Valve - 5K","description":"\u003cul data-end=\"1246\" data-start=\"802\"\u003e\n\u003cli data-end=\"1246\" data-start=\"1193\"\u003e\n\u003cp data-end=\"1246\" data-start=\"1195\"\u003e \u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-end=\"1251\" data-start=\"1248\"\u003e\n\u003cp data-start=\"199\" data-end=\"533\"\u003eThe \u003cstrong data-start=\"203\" data-end=\"226\"\u003eVaillant 0020192789\u003c\/strong\u003e is a genuine OEM \u003cstrong data-start=\"244\" data-end=\"266\"\u003e5K expansion valve\u003c\/strong\u003e designed for use in selected Vaillant heat pump and refrigeration-based heating systems. This precision-controlled valve regulates refrigerant flow by responding to evaporator temperature, ensuring optimal system efficiency, stable heat transfer, and safe operation.\u003c\/p\u003e\n\u003cp data-start=\"535\" data-end=\"795\"\u003eA faulty expansion valve can cause poor system performance, reduced heating output, high energy consumption, icing, or system errors. Replacing it with this genuine Vaillant part restores correct refrigerant regulation and ensures reliable long-term operation.\u003c\/p\u003e\n\u003cp data-start=\"797\" data-end=\"816\"\u003e\u003cstrong data-start=\"797\" data-end=\"814\"\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"817\" data-end=\"1252\"\u003e\n\u003cli data-start=\"817\" data-end=\"869\"\u003e\n\u003cp data-start=\"819\" data-end=\"869\"\u003e\u003cstrong data-start=\"819\" data-end=\"867\"\u003eGenuine Vaillant expansion valve (5K rating)\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"870\" data-end=\"910\"\u003e\n\u003cp data-start=\"872\" data-end=\"910\"\u003ePrecisely regulates refrigerant flow\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"911\" data-end=\"960\"\u003e\n\u003cp data-start=\"913\" data-end=\"960\"\u003eEnhances heat pump efficiency and performance\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"961\" data-end=\"1021\"\u003e\n\u003cp data-start=\"963\" data-end=\"1021\"\u003eSupports stable evaporator temperature and heat transfer\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1022\" data-end=\"1081\"\u003e\n\u003cp data-start=\"1024\" data-end=\"1081\"\u003eManufactured to Vaillant’s strict OEM quality standards\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1082\" data-end=\"1154\"\u003e\n\u003cp data-start=\"1084\" data-end=\"1154\"\u003eHelps resolve icing, low output, erratic performance \u0026amp; system faults\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1155\" data-end=\"1195\"\u003e\n\u003cp data-start=\"1157\" data-end=\"1195\"\u003eDurable, high-integrity construction\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1196\" data-end=\"1252\"\u003e\n\u003cp data-start=\"1198\" data-end=\"1252\"\u003eDirect-fit replacement for professional installation\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1254\" data-end=\"1257\"\u003e\n\u003ch3 data-start=\"1259\" data-end=\"1280\"\u003e\u003cstrong data-start=\"1263\" data-end=\"1280\"\u003eCompatibility\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"1281\" data-end=\"1344\"\u003eThe \u003cstrong data-start=\"1285\" data-end=\"1324\"\u003eVaillant 0020192789 Expansion Valve\u003c\/strong\u003e is compatible with:\u003c\/p\u003e\n\u003cul data-start=\"1346\" data-end=\"1525\"\u003e\n\u003cli data-start=\"1346\" data-end=\"1411\"\u003e\n\u003cp data-start=\"1348\" data-end=\"1411\"\u003eSelected \u003cstrong data-start=\"1357\" data-end=\"1387\"\u003eVaillant heat pump systems\u003c\/strong\u003e, including VWL ranges\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1412\" data-end=\"1525\"\u003e\n\u003cp data-start=\"1414\" data-end=\"1525\"\u003eOther Vaillant refrigeration-based heating units listing \u003cstrong data-start=\"1471\" data-end=\"1485\"\u003e0020192789\u003c\/strong\u003e in their official parts documentation\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1527\" data-end=\"1639\"\u003e\u003cem data-start=\"1527\" data-end=\"1639\"\u003eEngineers should always confirm exact compatibility using the system’s service manual or technical data sheet.\u003c\/em\u003e\u003c\/p\u003e","brand":"Vaillant","offers":[{"title":"Default Title","offer_id":56695666934105,"sku":null,"price":64.47,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0982\/9738\/1209\/files\/1386570.jpg?v=1764253886"},{"product_id":"alt-expansion-valve-sx-sc-90423","title":"ALT EXPANSION VALVE SX \u0026 SC - 90423","description":"","brand":"Plumbparts xpress","offers":[{"title":"Default Title","offer_id":56695838409049,"sku":null,"price":83.69,"currency_code":"GBP","in_stock":true}]},{"product_id":"tesla-expansion-vessel-service-valve-3-4","title":"TESLA EXPANSION VESSEL SERVICE VALVE 3\/4","description":"","brand":"Plumbparts xpress","offers":[{"title":"Default Title","offer_id":56695846207833,"sku":null,"price":21.45,"currency_code":"GBP","in_stock":true}]}],"url":"https:\/\/plumbpartsxpressshop.com\/collections\/expansion-valves.oembed","provider":"Plumbparts xpress","version":"1.0","type":"link"}