{"title":"EPH Controls","description":"","products":[{"product_id":"eph-cp4d-opentherm-wireless-thermostat","title":"EPH CP4D OpenTherm Wireless Programmable Room Thermostat with Dial","description":"\u003ch1\u003eEPH CP4D OpenTherm Wireless Programmable Room Thermostat with Dial\u003c\/h1\u003e\n\u003cp\u003eThe \u003cstrong\u003eEPH CP4D OpenTherm Wireless Programmable Room Thermostat\u003c\/strong\u003e combines advanced OpenTherm boiler modulation with simple dial control and wireless RF communication. Designed for modern heating systems, it delivers precise temperature control, improved efficiency, and reduced energy consumption.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOpenTherm® compatible\u003c\/strong\u003e – enables modulating boiler control for improved efficiency.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWireless RF communication\u003c\/strong\u003e between thermostat and receiver for easy installation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSimple rotary dial control\u003c\/strong\u003e for fast and intuitive temperature adjustment.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProgrammable scheduling\u003c\/strong\u003e – 7-day, 5\/2-day, or 24-hour modes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnergy-saving algorithms\u003c\/strong\u003e reduce boiler cycling and fuel usage.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManual override \u0026amp; boost function\u003c\/strong\u003e without changing the programmed schedule.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFrost protection\u003c\/strong\u003e for safe operation during low temperatures.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eTypical Applications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eDomestic central heating systems\u003c\/li\u003e\n\u003cli\u003eOpenTherm-compatible combi and system boilers\u003c\/li\u003e\n\u003cli\u003eHeating upgrades for improved energy efficiency\u003c\/li\u003e\n\u003cli\u003eWireless thermostat replacements\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWhat’s Included\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eEPH CP4D OpenTherm wireless thermostat with dial\u003c\/li\u003e\n\u003cli\u003eWireless OpenTherm receiver unit\u003c\/li\u003e\n\u003cli\u003eMounting hardware and installation instructions\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eControl Type\u003c\/td\u003e\n\u003ctd\u003eWireless RF programmable thermostat with rotary dial\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBoiler Control\u003c\/td\u003e\n\u003ctd\u003eOpenTherm® modulation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProgramming\u003c\/td\u003e\n\u003ctd\u003e7-day \/ 5-2 \/ 24-hour schedules\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTemperature Range\u003c\/td\u003e\n\u003ctd\u003e5 – 35 °C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eThermostat Power\u003c\/td\u003e\n\u003ctd\u003eBattery powered\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eReceiver Power\u003c\/td\u003e\n\u003ctd\u003e230V AC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCommunication\u003c\/td\u003e\n\u003ctd\u003eWireless RF\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFrost Protection\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompliance\u003c\/td\u003e\n\u003ctd\u003eBoiler Plus compliant\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eThe CP4D OpenTherm version is ideal for homeowners looking to maximise boiler efficiency while retaining simple, user-friendly controls.\u003c\/p\u003e","brand":"EPH","offers":[{"title":"Default Title","offer_id":57328431104384,"sku":"EPH-CP4D-OT","price":85.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0745\/1449\/7816\/files\/Screenshot2026-01-29at14.47.57.png?v=1769698093"},{"product_id":"eph-cp4i-opentherm-wifi-smart-thermostat","title":"EPH CP4i OpenTherm WiFi Smart Programmable Room Thermostat","description":"\u003ch1\u003eEPH CP4i OpenTherm WiFi Smart Programmable Room Thermostat\u003c\/h1\u003e\n\u003cp\u003eThe \u003cstrong\u003eEPH CP4i OpenTherm WiFi Smart Room Thermostat\u003c\/strong\u003e is a next-generation heating control solution combining smart WiFi connectivity with OpenTherm boiler modulation. Designed for modern homes, it allows full remote control via smartphone while delivering highly efficient, modulating boiler operation.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOpenTherm® compatible\u003c\/strong\u003e – enables modulating boiler control for increased efficiency and reduced fuel consumption.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWiFi connectivity\u003c\/strong\u003e – control your heating remotely using the EPH Connect app.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProgrammable schedules\u003c\/strong\u003e – 7-day, 5\/2-day or 24-hour heating programmes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSmart app control\u003c\/strong\u003e – adjust temperature, schedules and modes from anywhere.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnergy-saving algorithms\u003c\/strong\u003e to reduce boiler cycling and optimise comfort.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManual override \u0026amp; boost mode\u003c\/strong\u003e without disrupting programmed schedules.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFrost protection\u003c\/strong\u003e to safeguard your home during cold conditions.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eTypical Applications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eDomestic central heating systems\u003c\/li\u003e\n\u003cli\u003eOpenTherm-compatible combi and system boilers\u003c\/li\u003e\n\u003cli\u003eSmart heating upgrades and boiler replacements\u003c\/li\u003e\n\u003cli\u003eHomeowners seeking remote heating control\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWhat’s Included\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eEPH CP4i WiFi smart room thermostat\u003c\/li\u003e\n\u003cli\u003eOpenTherm wireless receiver unit\u003c\/li\u003e\n\u003cli\u003eMounting hardware\u003c\/li\u003e\n\u003cli\u003eUser guide and installation instructions\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eControl Type\u003c\/td\u003e\n\u003ctd\u003eWiFi smart programmable thermostat\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBoiler Interface\u003c\/td\u003e\n\u003ctd\u003eOpenTherm® modulation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProgramming\u003c\/td\u003e\n\u003ctd\u003e7-day \/ 5-2 \/ 24-hour schedules\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTemperature Range\u003c\/td\u003e\n\u003ctd\u003e5 – 35 °C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eThermostat Power\u003c\/td\u003e\n\u003ctd\u003eMains powered\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eReceiver Power\u003c\/td\u003e\n\u003ctd\u003e230V AC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConnectivity\u003c\/td\u003e\n\u003ctd\u003eWiFi (App controlled)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFrost Protection\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompliance\u003c\/td\u003e\n\u003ctd\u003eBoiler Plus compliant\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eThe CP4i offers advanced smart heating control while maintaining simplicity, making it ideal for users who want efficiency, flexibility, and full remote access.\u003c\/p\u003e","brand":"EPH","offers":[{"title":"Default Title","offer_id":57328506077568,"sku":"EPH-CP4i-OT","price":130.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0745\/1449\/7816\/files\/Screenshot2026-01-29at15.28.34.png?v=1769700596"}],"url":"https:\/\/allgasltd.com\/collections\/eph-controls.oembed","provider":"All Gas Wakefield Ltd","version":"1.0","type":"link"}