{"product_id":"engo-e901-uk-programmable-wired-thermostat-7-day-boiler-plus-compliant-gas-oil-heat-pump","title":"ENGO E901-UK Programmable Wired Thermostat – 7-Day, Boiler Plus Compliant | Gas, Oil \u0026 Heat Pump","description":"\u003cp\u003e\u003cstrong\u003eThe ENGO E901 is a programmable wired thermostat that offers precise heating control with easy scheduling and energy-saving features.\u003c\/strong\u003e Battery-powered with a sliding panel design, it connects directly to your boiler via a volt-free relay for simple installation. Choose between weekly or 24-hour schedules, TPI or hysteresis control, and enjoy a 5-year warranty. Compatible with gas, oil, and heat pumps.\u003c\/p\u003e\n\u003cp\u003eBattery Powered Wired Connection TPI or Hysteresis Boiler Plus Compliant 5-Year Warranty EAN: 5904665764046\u003c\/p\u003e\n\u003ch2\u003eWhy Choose the ENGO E901?\u003c\/h2\u003e\n\u003cp\u003e🕒 \u003cstrong\u003eProgrammable Schedules\u003c\/strong\u003e\u003cbr\u003eTwo schedule types: weekly (with up to 6 setpoints per day) or 24-hour operation to match your routine perfectly.\u003c\/p\u003e\n\u003cp\u003e🌡️ \u003cstrong\u003eTPI or Hysteresis Control\u003c\/strong\u003e\u003cbr\u003eTPI algorithm provides smart modulating control to reduce overshoot and save energy; hysteresis offers ±0.25°C or ±0.5°C precision.\u003c\/p\u003e\n\u003cp\u003e✅ \u003cstrong\u003eBoiler Plus Compliant\u003c\/strong\u003e\u003cbr\u003eTPI control meets UK Boiler Plus requirements (Part L) for new installations.\u003c\/p\u003e\n\u003cp\u003e🔋 \u003cstrong\u003eBattery Powered\u003c\/strong\u003e\u003cbr\u003eRuns on 2×AA batteries for over a year — no need for mains power at the thermostat location.\u003c\/p\u003e\n\u003cp\u003e🔒 \u003cstrong\u003ePIN \/ Key Lock\u003c\/strong\u003e\u003cbr\u003eSecure with a PIN or key lock to prevent tampering — ideal for families or rentals.\u003c\/p\u003e\n\u003cp\u003e🖥️ \u003cstrong\u003eSliding Function Panel\u003c\/strong\u003e\u003cbr\u003eStylish large LCD display with hidden sliding panel for a clean, modern look.\u003c\/p\u003e\n\u003cp\u003e🏖️ \u003cstrong\u003eHoliday Mode\u003c\/strong\u003e\u003cbr\u003eSet holiday mode to protect pipes while away, with easy return to normal schedule.\u003c\/p\u003e\n\u003cp\u003e⚙️ \u003cstrong\u003eHeating \/ Cooling Mode\u003c\/strong\u003e\u003cbr\u003eSwitchable for heating or cooling systems.\u003c\/p\u003e\n\u003cp\u003e📏 \u003cstrong\u003eMin\/Max Setpoints\u003c\/strong\u003e\u003cbr\u003eConfigure minimum and maximum temperature limits for added control.\u003c\/p\u003e\n\u003cp\u003e🛡️ \u003cstrong\u003e5-Year Warranty\u003c\/strong\u003e\u003cbr\u003eManufacturer's 5-year warranty ensures reliability.\u003c\/p\u003e\n\u003ch2\u003eSuitable For\u003c\/h2\u003e\n\u003cp\u003eGas Combi Boilers Gas System Boilers Oil Boilers LPG Boilers Heat Pumps (on\/off) Central Heating Dial Thermostat Replacement Boiler Plus Compliance New Installations Retrofit Upgrades Holiday Homes Rental Properties\u003c\/p\u003e\n\u003ch2\u003eAbout the E901\u003c\/h2\u003e\n\u003cp\u003eThe E901 is a wired programmable thermostat that replaces any standard room thermostat. It mounts on the wall with battery power for the display and controls, while wiring directly to the boiler's thermostat input (volt-free COM\/NO connection). No additional receiver or hub is needed — just simple 2-wire installation.\u003c\/p\u003e\n\u003ch3\u003e🕹️ Easy-to-Use Interface\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eTouch-sensitive buttons under a sliding panel\u003c\/li\u003e\n\u003cli\u003eLarge backlit LCD display for clear readings\u003c\/li\u003e\n\u003cli\u003eIntuitive programming for weekly or daily schedules\u003c\/li\u003e\n\u003cli\u003eManual override for temporary adjustments\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe E901 is designed for accuracy and ease, with a well-thought-out interface based on user habits.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eWired communication for reliable control\u003c\/li\u003e\n\u003cli\u003e7-day programmable schedule — up to 6 events per day\u003c\/li\u003e\n\u003cli\u003eBattery-powered (2×AA alkaline, not included)\u003c\/li\u003e\n\u003cli\u003eVolt-free COM\/NO relay output — max load 5(3)A\u003c\/li\u003e\n\u003cli\u003eTPI control algorithm (Boiler Plus compliant)\u003c\/li\u003e\n\u003cli\u003eHysteresis mode: ±0.25°C or ±0.5°C\u003c\/li\u003e\n\u003cli\u003eTemperature range: 5°C – 35°C\u003c\/li\u003e\n\u003cli\u003eDisplay accuracy: 0.1°C or 0.5°C\u003c\/li\u003e\n\u003cli\u003eConfigurable min\/max setpoint limits\u003c\/li\u003e\n\u003cli\u003eHeating \/ Cooling switchable mode\u003c\/li\u003e\n\u003cli\u003ePIN lock and key lock\u003c\/li\u003e\n\u003cli\u003eHoliday mode\u003c\/li\u003e\n\u003cli\u003eSliding panel design with large LCD\u003c\/li\u003e\n\u003cli\u003eWall fixings included\u003c\/li\u003e\n\u003cli\u003e5-year manufacturer's warranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003eE901\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Supply\u003c\/td\u003e\n\u003ctd\u003e2×AA alkaline batteries\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Load\u003c\/td\u003e\n\u003ctd\u003e5(3)A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput\u003c\/td\u003e\n\u003ctd\u003eVolt-free COM\/NO relay\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTemperature Range\u003c\/td\u003e\n\u003ctd\u003e5°C – 35°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDisplay Accuracy\u003c\/td\u003e\n\u003ctd\u003e0.1°C or 0.5°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eControl Algorithm\u003c\/td\u003e\n\u003ctd\u003eTPI or Hysteresis (±0.25°C \/ ±0.5°C)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSchedule\u003c\/td\u003e\n\u003ctd\u003e7-day or 24-hour, up to 6 events\/day\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHeating\/Cooling\u003c\/td\u003e\n\u003ctd\u003eYes (switchable)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBoiler Plus\u003c\/td\u003e\n\u003ctd\u003eCompliant (TPI load compensator)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOpenTherm\u003c\/td\u003e\n\u003ctd\u003eNot supported — on\/off volt-free control only\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePIN Lock\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e150 × 84 × 22 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003e5 years\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEAN\u003c\/td\u003e\n\u003ctd\u003e5904665764046\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n\u003cp\u003eWiring must be carried out by a qualified person per BS 7671. The E901 replaces any standard 2-wire wired room thermostat at the boiler's thermostat terminals.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eWire COM\/NO to boiler thermostat input\u003c\/li\u003e\n\u003cli\u003eOpenTherm: NOT supported — on\/off volt-free control only\u003c\/li\u003e\n\u003cli\u003eMount at ~1.5 m above floor, away from heat sources and direct sunlight\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003ch3\u003eIs the E901 compatible with my boiler?\u003c\/h3\u003e\n\u003cp\u003eYes — works with any gas, oil, or LPG boiler with a standard volt-free thermostat input. Also suitable for on\/off heat pumps.\u003c\/p\u003e\n\u003ch3\u003eDoes it require mains power?\u003c\/h3\u003e\n\u003cp\u003eNo — the thermostat runs on batteries; only the relay output is wired to the boiler.\u003c\/p\u003e\n\u003ch3\u003eWhat's the difference between the E901 and E901-WIFI?\u003c\/h3\u003e\n\u003cp\u003eThe E901 is wired without smart features; the E901-WIFI adds wireless RF and app control. For basic programmable control, choose E901.\u003c\/p\u003e\n\u003ch3\u003eDoes it support OpenTherm?\u003c\/h3\u003e\n\u003cp\u003eNo — uses volt-free on\/off control. For modulating control, a dedicated OpenTherm thermostat is needed.\u003c\/p\u003e\n\u003ch2\u003eWhat's in the Box\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e1× E901 thermostat (battery-powered)\u003c\/li\u003e\n\u003cli\u003eWall fixings\u003c\/li\u003e\n\u003cli\u003eFull instruction manual\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003eNote: 2×AA batteries not included.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003eWiring by qualified person per BS 7671. OpenTherm not supported. For wireless versions, see E901-RF or E901-WIFI.\u003c\/p\u003e","brand":"ENGO Controls","offers":[{"title":"Default Title","offer_id":63680399245661,"sku":"E901-UK","price":31.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0958\/2051\/3629\/files\/ENGOE901WiredBatteryPowered2WireProgrammableThermostat.jpg?v=1772464060","url":"https:\/\/qualityheating.co.uk\/products\/engo-e901-uk-programmable-wired-thermostat-7-day-boiler-plus-compliant-gas-oil-heat-pump","provider":"AIZO Quality Heating","version":"1.0","type":"link"}