{"product_id":"esi-esrtp4rf-4-series-wireless-programmable-room-thermostat","title":"ESi Programmable RF Stat ESRTP4RFW | Wireless Room Thermostat","description":"\u003ch1 data-section-id=\"1iastq3\" data-start=\"133\" data-end=\"169\"\u003eESi Programmable RF Stat ESRTP4RFW\u003c\/h1\u003e\n\u003cp data-start=\"171\" data-end=\"413\"\u003eThe ESi ESRTP4RFW is a wireless programmable room thermostat designed for simple installation and efficient heating control. Replacing the ESTRP4RF+, it supports OpenTherm communication to help improve boiler efficiency and reduce energy use.\u003c\/p\u003e\n\u003cp data-start=\"415\" data-end=\"570\"\u003eWith 7-day, 5\/2 day and 24-hour programming, users can easily tailor heating schedules. Smart functionality can also be added using the optional ESWIFIHUB.\u003c\/p\u003e\n\u003cp data-start=\"572\" data-end=\"633\"\u003ePerfect for combi, system and heat-only boiler installations.\u003c\/p\u003e\n\u003ch3 data-section-id=\"1iz91iu\" data-start=\"635\" data-end=\"651\"\u003eKey Features\u003c\/h3\u003e\n\u003cul data-start=\"652\" data-end=\"934\"\u003e\n\u003cli data-section-id=\"o00qac\" data-start=\"652\" data-end=\"691\"\u003eWireless programmable RF thermostat\u003c\/li\u003e\n\u003cli data-section-id=\"zcgywb\" data-start=\"692\" data-end=\"728\"\u003eDirect replacement for ESTRP4RF+\u003c\/li\u003e\n\u003cli data-section-id=\"2pjvss\" data-start=\"729\" data-end=\"753\"\u003eOpenTherm compatible\u003c\/li\u003e\n\u003cli data-section-id=\"9all8b\" data-start=\"754\" data-end=\"791\"\u003eSmart Wi-Fi upgrade via ESWIFIHUB\u003c\/li\u003e\n\u003cli data-section-id=\"mmsc9u\" data-start=\"792\" data-end=\"832\"\u003e7-day, 5\/2 day \u0026amp; 24-hour programming\u003c\/li\u003e\n\u003cli data-section-id=\"11yt151\" data-start=\"833\" data-end=\"872\"\u003eOptimum Start\/Stop \u0026amp; TPI technology\u003c\/li\u003e\n\u003cli data-section-id=\"1ciaz9o\" data-start=\"873\" data-end=\"908\"\u003eHoliday mode \u0026amp; frost protection\u003c\/li\u003e\n\u003cli data-section-id=\"6r87ab\" data-start=\"909\" data-end=\"934\"\u003eWall or stand mounted\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"1yl5694\" data-start=\"936\" data-end=\"954\"\u003eSpecifications\u003c\/h3\u003e\n\u003cp data-start=\"955\" data-end=\"1104\"\u003e\u003cstrong data-start=\"955\" data-end=\"965\"\u003eModel:\u003c\/strong\u003e ESRTP4RFW\u003cbr data-start=\"975\" data-end=\"978\"\u003e\u003cstrong data-start=\"978\" data-end=\"988\"\u003eBrand:\u003c\/strong\u003e ESi Controls\u003cbr data-start=\"1001\" data-end=\"1004\"\u003e\u003cstrong data-start=\"1004\" data-end=\"1014\"\u003ePower:\u003c\/strong\u003e Battery Powered\u003cbr data-start=\"1030\" data-end=\"1033\"\u003e\u003cstrong data-start=\"1033\" data-end=\"1046\"\u003eMounting:\u003c\/strong\u003e Wall \/ Stand\u003cbr data-start=\"1059\" data-end=\"1062\"\u003e\u003cstrong data-start=\"1062\" data-end=\"1078\"\u003eApplication:\u003c\/strong\u003e Central Heating Control\u003c\/p\u003e\n\u003ch3 data-section-id=\"1qmgibc\" data-start=\"1106\" data-end=\"1119\"\u003eIdeal For\u003c\/h3\u003e\n\u003cul data-start=\"1120\" data-end=\"1240\"\u003e\n\u003cli data-section-id=\"dswims\" data-start=\"1120\" data-end=\"1139\"\u003eBoiler upgrades\u003c\/li\u003e\n\u003cli data-section-id=\"ohb3dq\" data-start=\"1140\" data-end=\"1176\"\u003eWireless thermostat replacements\u003c\/li\u003e\n\u003cli data-section-id=\"15mymtk\" data-start=\"1177\" data-end=\"1205\"\u003eDomestic heating systems\u003c\/li\u003e\n\u003cli data-section-id=\"1sv9idt\" data-start=\"1206\" data-end=\"1240\"\u003eEnergy-efficient installations\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ESi","offers":[{"title":"Default Title","offer_id":48582036586833,"sku":"CONT-ESIWIRLESS","price":59.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0820\/5022\/0369\/files\/Screenshot_2025-10-21_at_20.42.06.png?v=1761075753","url":"https:\/\/hydeplumb.co.uk\/products\/esi-esrtp4rf-4-series-wireless-programmable-room-thermostat","provider":"Hyde Plumbing \u0026 Heating Supplies","version":"1.0","type":"link"}