{"product_id":"engo-e901-wifi-uk-smart-wifi-wireless-thermostat-app-alexa-google-control-no-hub-gas-oil-heat-pump","title":"ENGO E901-WIFI-UK Smart WiFi Wireless Thermostat – App, Alexa \u0026 Google Control, No Hub | Gas, Oil \u0026 Heat Pump","description":"\u003cstyle\u003e\n  .engo-desc * { box-sizing: border-box; }\n  .engo-desc { font-family: inherit; color: inherit; line-height: 1.7; font-size: 16px; }\n  .engo-desc p, .engo-desc li, .engo-desc td, .engo-desc th { font-size: 16px !important; line-height: 1.7; }\n  .engo-desc h2 { font-size: 22px !important; font-weight: 700; color: #1a1a1a; border-bottom: 2px solid #1a1a1a; padding-bottom: 6px; margin: 2rem 0 1rem; line-height: 1.3; }\n  .engo-desc h3 { font-size: 17px !important; font-weight: 700; color: #1a1a1a; margin: 1.2rem 0 0.4rem; line-height: 1.4; }\n  .engo-desc p { margin: 0 0 1rem; }\n  .engo-desc ul { padding-left: 1.5rem; margin: 0 0 1rem; }\n  .engo-desc ul li { margin-bottom: 0.5rem; }\n\n  .engo-intro-box { background: #f5f5f5; border-left: 4px solid #222; padding: 1.1rem 1.4rem; border-radius: 0 6px 6px 0; margin-bottom: 1.5rem; }\n  .engo-intro-box p { margin: 0 !important; }\n\n  .engo-badge { display: inline-block; background: #222; color: #fff; font-size: 13px !important; font-weight: 700; border-radius: 4px; padding: 2px 10px; margin-right: 6px; margin-bottom: 4px; vertical-align: middle; letter-spacing: 0.04em; }\n  .engo-badge.accent { background: #c05a00; }\n  .engo-badge.green { background: #2e7d32; }\n\n  .engo-why-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 0.85rem; margin-bottom: 1.2rem; }\n  .engo-why-card { background: #f9f9f9; border: 1px solid #ddd; border-radius: 6px; padding: 1rem 1.1rem; line-height: 1.6; }\n  .engo-why-card strong { display: block; color: #1a1a1a; margin-bottom: 0.35rem; font-size: 16px !important; }\n\n  .engo-callout { background: #f0f8f0; border: 1px solid #a5d6a7; border-radius: 6px; padding: 1rem 1.3rem; margin: 1.2rem 0; }\n  .engo-callout h3 { margin-top: 0 !important; }\n  .engo-callout p { margin: 0 !important; }\n\n  .engo-callout-blue { background: #f0f4ff; border-left: 4px solid #1a1a1a; border-radius: 0 6px 6px 0; padding: 1rem 1.3rem; margin: 1.2rem 0; }\n  .engo-callout-blue p { margin: 0 !important; }\n\n  .engo-callout-warn { background: #fff8e6; border: 1px solid #f0d080; border-radius: 6px; padding: 1rem 1.2rem; margin: 1.2rem 0; color: #5a4a00; }\n  .engo-callout-warn p { margin: 0 !important; }\n\n  .engo-spec-table { width: 100%; border-collapse: collapse; margin-bottom: 1.2rem; }\n  .engo-spec-table th { background: #222; color: #fff !important; text-align: left; padding: 0.7rem 1rem; font-weight: 600; font-size: 16px !important; }\n  .engo-spec-table td { padding: 0.6rem 1rem; border-bottom: 1px solid #e0e0e0; vertical-align: top; font-size: 16px !important; }\n  .engo-spec-table tr:nth-child(even) td { background: #f5f5f5; }\n  .engo-spec-table td:first-child { font-weight: 600; color: #1a1a1a; width: 42%; }\n\n  .engo-pills { display: flex; flex-wrap: wrap; gap: 0.55rem; margin-bottom: 1.2rem; }\n  .engo-pill { background: #f0f0f0; color: #1a1a1a; border-radius: 20px; padding: 0.35rem 1rem; font-size: 15px !important; font-weight: 500; border: 1px solid #ccc; line-height: 1.4; }\n\n  .engo-faq-item { border-bottom: 1px solid #e0e0e0; padding: 1rem 0; }\n  .engo-faq-item:last-child { border-bottom: none; }\n  .engo-faq-item p { margin: 0.4rem 0 0 !important; }\n\n  .engo-inbox-list { list-style: none !important; padding: 0 !important; margin: 0 0 1rem !important; }\n  .engo-inbox-list li { padding: 0.5rem 0 0.5rem 1.8rem !important; border-bottom: 1px solid #ebebeb; position: relative; margin-bottom: 0 !important; font-size: 16px !important; }\n  .engo-inbox-list li::before { content: \"✓\"; position: absolute; left: 0; color: #2e7d32; font-weight: 700; }\n\n  .engo-infobox { background: #fff8e6; border: 1px solid #f0d080; border-radius: 6px; padding: 1rem 1.2rem; margin-top: 1.5rem; color: #5a4a00; line-height: 1.6; font-size: 16px !important; }\n\n  @media (max-width: 600px) {\n    .engo-why-grid { grid-template-columns: 1fr; }\n    .engo-spec-table td:first-child { width: auto; }\n  }\n\u003c\/style\u003e\n\n\u003cdiv class=\"engo-desc\"\u003e\n\n\u003cdiv class=\"engo-intro-box\"\u003e\n  \u003cp\u003e\u003cstrong\u003eThe ENGO E901-WIFI-UK is a smart wireless thermostat that puts full heating control in your pocket — no gateway hub required.\u003c\/strong\u003e The 2.4 GHz Wi-Fi module is built directly into the mains receiver, so you get app control, Alexa and Google voice commands, and 7-day scheduling right out of the box. The battery-powered thermostat communicates over 868 MHz RF to the receiver, which connects to your existing boiler. Boiler Plus compliant with a 5-year warranty.\u003c\/p\u003e\n  \u003cdiv class=\"engo-badges\"\u003e\n    \u003cspan class=\"engo-badge\"\u003eWi-Fi Built-In Receiver\u003c\/span\u003e\n    \u003cspan class=\"engo-badge\"\u003eNo Hub Required\u003c\/span\u003e\n    \u003cspan class=\"engo-badge\"\u003e868 MHz RF\u003c\/span\u003e\n    \u003cspan class=\"engo-badge\"\u003eAlexa \u0026amp; Google\u003c\/span\u003e\n    \u003cspan class=\"engo-badge\"\u003eBoiler Plus Compliant\u003c\/span\u003e\n    \u003cspan class=\"engo-badge\"\u003e5-Year Warranty\u003c\/span\u003e\n  \u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eWhy Choose the ENGO E901-WIFI-UK?\u003c\/h2\u003e\n\u003cdiv class=\"engo-why-grid\"\u003e\n  \u003cdiv class=\"engo-why-card\"\u003e📶 \u003cstrong\u003eWi-Fi in the Receiver\u003c\/strong\u003e\u003cp\u003eNo gateway, bridge, or extra hub needed — the receiver connects directly to your home Wi-Fi for instant smart control.\u003c\/p\u003e\n\u003c\/div\u003e\n  \u003cdiv class=\"engo-why-card\"\u003e📱 \u003cstrong\u003eENGO Smart App\u003c\/strong\u003e\u003cp\u003eControl temperature, set schedules, and monitor heating remotely from anywhere via iOS or Android.\u003c\/p\u003e\n\u003c\/div\u003e\n  \u003cdiv class=\"engo-why-card\"\u003e🎙️ \u003cstrong\u003eAlexa \u0026amp; Google Assistant\u003c\/strong\u003e\u003cp\u003eVoice-activate your heating: \"Alexa, set the heating to 20 degrees\" — works with all Echo and Google devices.\u003c\/p\u003e\n\u003c\/div\u003e\n  \u003cdiv class=\"engo-why-card\"\u003e📅 \u003cstrong\u003e7-Day Scheduling\u003c\/strong\u003e\u003cp\u003eUp to 6 setpoints per day, every day — programme your heating to match your lifestyle perfectly.\u003c\/p\u003e\n\u003c\/div\u003e\n  \u003cdiv class=\"engo-why-card\"\u003e🔋 \u003cstrong\u003eBattery Powered Stat\u003c\/strong\u003e\u003cp\u003eNo thermostat wiring needed — 2×AA batteries power the thermostat head for over a year of typical use.\u003c\/p\u003e\n\u003c\/div\u003e\n  \u003cdiv class=\"engo-why-card\"\u003e🌡️ \u003cstrong\u003eTPI or Hysteresis\u003c\/strong\u003e\u003cp\u003eTPI control provides smart modulating control that reduces temperature overshoot and saves energy.\u003c\/p\u003e\n\u003c\/div\u003e\n  \u003cdiv class=\"engo-why-card\"\u003e✅ \u003cstrong\u003eBoiler Plus Compliant\u003c\/strong\u003e\u003cp\u003eTPI algorithm satisfies UK Boiler Plus requirements (Part L) for new boiler installations.\u003c\/p\u003e\n\u003c\/div\u003e\n  \u003cdiv class=\"engo-why-card\"\u003e🌐 \u003cstrong\u003eWorks Offline\u003c\/strong\u003e\u003cp\u003eThe thermostat maintains its schedule and last setpoint if the internet connection is lost — heating keeps running.\u003c\/p\u003e\n\u003c\/div\u003e\n  \u003cdiv class=\"engo-why-card\"\u003e🔒 \u003cstrong\u003ePIN \/ Child Lock\u003c\/strong\u003e\u003cp\u003eLock the thermostat with a PIN to prevent unwanted changes — great for rentals and family homes.\u003c\/p\u003e\n\u003c\/div\u003e\n  \u003cdiv class=\"engo-why-card\"\u003e🖥️ \u003cstrong\u003eSliding Function Panel\u003c\/strong\u003e\u003cp\u003eStylish large-display thermostat with a hidden sliding panel — clean and unobtrusive on the wall.\u003c\/p\u003e\n\u003c\/div\u003e\n  \u003cdiv class=\"engo-why-card\"\u003e🏖️ \u003cstrong\u003eHoliday \u0026amp; Boost Mode\u003c\/strong\u003e\u003cp\u003eOne-touch boost for extra warmth, and holiday mode keeps pipes safe while you're away.\u003c\/p\u003e\n\u003c\/div\u003e\n  \u003cdiv class=\"engo-why-card\"\u003e🛡️ \u003cstrong\u003e5-Year Warranty\u003c\/strong\u003e\u003cp\u003eFull 5-year manufacturer's warranty for long-term reliability.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eSuitable For\u003c\/h2\u003e\n\u003cdiv class=\"engo-pills\"\u003e\n  \u003cspan class=\"engo-pill\"\u003eGas Combi Boilers\u003c\/span\u003e\n  \u003cspan class=\"engo-pill\"\u003eGas System Boilers\u003c\/span\u003e\n  \u003cspan class=\"engo-pill\"\u003eOil Boilers\u003c\/span\u003e\n  \u003cspan class=\"engo-pill\"\u003eLPG Boilers\u003c\/span\u003e\n  \u003cspan class=\"engo-pill\"\u003eHeat Pumps (on\/off)\u003c\/span\u003e\n  \u003cspan class=\"engo-pill\"\u003eCentral Heating\u003c\/span\u003e\n  \u003cspan class=\"engo-pill\"\u003eDial Thermostat Replacement\u003c\/span\u003e\n  \u003cspan class=\"engo-pill\"\u003eBoiler Plus Compliance\u003c\/span\u003e\n  \u003cspan class=\"engo-pill\"\u003eNew Installations\u003c\/span\u003e\n  \u003cspan class=\"engo-pill\"\u003eRetrofit Smart Upgrade\u003c\/span\u003e\n  \u003cspan class=\"engo-pill\"\u003eHoliday Homes\u003c\/span\u003e\n  \u003cspan class=\"engo-pill\"\u003eRental Properties\u003c\/span\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eAbout the E901-WIFI-UK\u003c\/h2\u003e\n\u003cp\u003eThe E901-WIFI-UK is the smart upgrade to the E901-RF. It is a two-part system: the battery-powered thermostat head mounts on the wall or desk stand anywhere in the room, while the mains receiver wires to the boiler. The receiver contains both the 868 MHz RF link (to talk with the thermostat) and a 2.4 GHz Wi-Fi module (to connect to the internet and the ENGO Smart app). There is no need for a separate gateway or bridge device.\u003c\/p\u003e\n\n\u003c!-- APP CALLOUT --\u003e\n\u003cdiv class=\"engo-callout\"\u003e\n  \u003ch3\u003e📱 ENGO Smart App — Control Your Heating from Anywhere\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eRemote temperature adjustment from anywhere in the world\u003c\/li\u003e\n    \u003cli\u003e7-day schedule programming directly in the app\u003c\/li\u003e\n    \u003cli\u003eShare access with family members or tenants\u003c\/li\u003e\n    \u003cli\u003eMonitor your heating history and usage\u003c\/li\u003e\n    \u003cli\u003eVoice control via Amazon Alexa and Google Assistant\u003c\/li\u003e\n    \u003cli\u003eCompatible with SmartLife and Tuya Smart platforms\u003c\/li\u003e\n  \u003c\/ul\u003e\n  \u003cp style=\"margin-top:10px; color:#aac;\"\u003eAvailable free on iOS (App Store) and Android (Google Play).\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"callout-green\"\u003e\n  \u003cstrong\u003e🌐 Offline Operation\u003c\/strong\u003e\u003cbr\u003e\n  If your broadband goes down, the E901-WIFI-UK doesn't stop working. The thermostat maintains its last schedule and setpoint without an internet connection, ensuring your home stays warm even during an outage. Full remote control resumes automatically when connectivity is restored.\n\u003c\/div\u003e\n\n\u003cp\u003eThe E901-WIFI-UK replaces any existing wired room thermostat. Wire the receiver into the boiler's thermostat input (volt-free 2-wire connection) — the same terminals as the old dial thermostat. No additional wiring runs are needed as the thermostat itself is battery-powered.\u003c\/p\u003e\n\n\u003cdiv class=\"engo-callout-blue\"\u003e\n  \u003cstrong\u003e📡 2.4 GHz Wi-Fi Only\u003c\/strong\u003e\u003cbr\u003e\n  The receiver requires a 2.4 GHz Wi-Fi network. If your router broadcasts a combined 2.4\/5 GHz SSID, temporarily connect your phone to the 2.4 GHz band during initial setup, or split the bands in your router settings. After setup, normal router operation resumes.\n\u003c\/div\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul class=\"plain\"\u003e\n  \u003cli\u003e868 MHz RF thermostat-to-receiver link (868.0–868.6 MHz)\u003c\/li\u003e\n  \u003cli\u003eWi-Fi 2.4 GHz built into receiver — no hub or gateway required\u003c\/li\u003e\n  \u003cli\u003eENGO Smart app control (iOS \u0026amp; Android) via Tuya Cloud\u003c\/li\u003e\n  \u003cli\u003eAmazon Alexa and Google Assistant voice control\u003c\/li\u003e\n  \u003cli\u003eSmartLife and Tuya Smart compatible\u003c\/li\u003e\n  \u003cli\u003e7-day programmable schedule — up to 6 events per day\u003c\/li\u003e\n  \u003cli\u003eOffline operation — maintains schedule without internet\u003c\/li\u003e\n  \u003cli\u003eBattery-powered thermostat (2×AA alkaline, not included)\u003c\/li\u003e\n  \u003cli\u003eMains receiver: 230V AC 50Hz\u003c\/li\u003e\n  \u003cli\u003eVolt-free NO\/COM relay output — max load 16(5)A\u003c\/li\u003e\n  \u003cli\u003eTPI control algorithm (Boiler Plus compliant)\u003c\/li\u003e\n  \u003cli\u003eHysteresis mode: ±0.2°C or ±2°C selectable\u003c\/li\u003e\n  \u003cli\u003eTemperature range: 5°C – 35°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 \/ child lock\u003c\/li\u003e\n  \u003cli\u003eHoliday mode and temporary boost\u003c\/li\u003e\n  \u003cli\u003eSliding panel design with large LCD display\u003c\/li\u003e\n  \u003cli\u003eFactory pre-paired thermostat and receiver\u003c\/li\u003e\n  \u003cli\u003eDesk stand and wall fixings included\u003c\/li\u003e\n  \u003cli\u003eUnique 868 MHz transmission codes — no cross-interference\u003c\/li\u003e\n  \u003cli\u003e5-year manufacturer's warranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable class=\"engo-spec-table\"\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\u003eModel\u003c\/td\u003e\n\u003ctd\u003eE901-WIFI-UK\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eRF Communication\u003c\/td\u003e\n\u003ctd\u003e868 MHz (868.0–868.6 MHz, \u0026lt;13 dBm)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eWi-Fi\u003c\/td\u003e\n\u003ctd\u003e2.4 GHz (receiver only) — no hub required\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eApp\u003c\/td\u003e\n\u003ctd\u003eENGO Smart (Tuya Cloud) — iOS \u0026amp; Android\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eVoice Control\u003c\/td\u003e\n\u003ctd\u003eAmazon Alexa, Google Assistant\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eThermostat Power\u003c\/td\u003e\n\u003ctd\u003e2×AA 1.5V alkaline batteries (not included)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eReceiver Power\u003c\/td\u003e\n\u003ctd\u003e230V AC \/ 50Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eMax Receiver Load\u003c\/td\u003e\n\u003ctd\u003e16(5)A\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eReceiver Output\u003c\/td\u003e\n\u003ctd\u003eVolt-free NO\/COM 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\u003e0.5°C\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eControl Algorithm\u003c\/td\u003e\n\u003ctd\u003eTPI or Hysteresis (±0.2°C \/ ±2°C)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eSchedule\u003c\/td\u003e\n\u003ctd\u003e7-day, 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\u003eOffline Operation\u003c\/td\u003e\n\u003ctd\u003eYes — maintains schedule without internet\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\u003eThermostat Dimensions\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\u003c\/table\u003e\n\n\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n\u003cp\u003eWiring must be carried out by a qualified person per BS 7671. The receiver replaces any standard 2-wire wired room thermostat at the boiler's thermostat terminals.\u003c\/p\u003e\n\u003cul class=\"plain\"\u003e\n  \u003cli\u003eReceiver: L, N to 230V supply; 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\u003eWi-Fi setup: 2.4 GHz only — ensure your phone is on 2.4 GHz band during setup\u003c\/li\u003e\n  \u003cli\u003eThermostat: mount at ~1.5 m above floor, away from heat sources and direct sunlight\u003c\/li\u003e\n  \u003cli\u003eApp setup: download ENGO Smart, create account, and follow the in-app pairing guide\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cdiv class=\"engo-faq-item\"\u003e\n    \u003ch3\u003eWhat's the difference between the E901-RF-UK and the E901-WIFI-UK?\u003c\/h3\u003e\n    \u003cp\u003eThe E901-RF-UK has 868 MHz RF only — no Wi-Fi, no app control. The E901-WIFI-UK adds a 2.4 GHz Wi-Fi module to the receiver for remote control via the ENGO Smart app, Alexa, and Google Assistant — all without needing an extra hub or gateway device.\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"engo-faq-item\"\u003e\n    \u003ch3\u003eDo I need a hub or gateway?\u003c\/h3\u003e\n    \u003cp\u003eNo — the Wi-Fi module is built into the receiver. Just connect it to your router like any other smart device.\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"engo-faq-item\"\u003e\n    \u003ch3\u003eDoes it work with my combi boiler?\u003c\/h3\u003e\n    \u003cp\u003eYes — compatible with any gas, oil, or LPG combi or system boiler with a standard volt-free thermostat input. Also works with heat pumps in on\/off mode.\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"engo-faq-item\"\u003e\n    \u003ch3\u003eWill it work if the internet goes down?\u003c\/h3\u003e\n    \u003cp\u003eYes — the thermostat maintains its programmed schedule and last setpoint without an internet connection. Remote app control and voice commands resume when connectivity returns.\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"engo-faq-item\"\u003e\n    \u003ch3\u003eDoes it support OpenTherm?\u003c\/h3\u003e\n    \u003cp\u003eNo — the E901-WIFI-UK uses volt-free on\/off control. It will control OpenTherm-capable boilers but only in simple on\/off mode, not modulating mode. For OpenTherm modulation, a dedicated OpenTherm thermostat is required.\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"engo-faq-item\"\u003e\n    \u003ch3\u003eMy router is 2.4\/5 GHz combined — will it work?\u003c\/h3\u003e\n    \u003cp\u003eYes, but during setup you may need to temporarily connect your phone to the 2.4 GHz band, or briefly separate the bands in your router settings. Once configured, the receiver connects reliably and you can return to normal router settings.\u003c\/p\u003e\n  \u003c\/div\u003e\n\u003ch2\u003eWhat's in the Box\u003c\/h2\u003e\n\u003cul class=\"plain\"\u003e\n  \u003cli\u003e1× E901-WIFI thermostat head (battery-powered)\u003c\/li\u003e\n  \u003cli\u003e1× Mains receiver with Wi-Fi (230V)\u003c\/li\u003e\n  \u003cli\u003eDesk stand for thermostat\u003c\/li\u003e\n  \u003cli\u003eWall fixings for thermostat and receiver\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\n\u003cp style=\"margin-top:24px; color:#666;\"\u003eWiring by qualified person per BS 7671. 2.4 GHz Wi-Fi only. OpenTherm not supported. For the non-Wi-Fi version see \u003cstrong\u003eE901-RF-UK\u003c\/strong\u003e.\u003c\/p\u003e\n\n\u003c\/div\u003e","brand":"ENGO Controls","offers":[{"title":"Default Title","offer_id":63495761887581,"sku":"E901-WIFI-UK","price":73.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0958\/2051\/3629\/files\/ENGOE901WiredBatteryPowered2WireProgrammableThermostat.webp?v=1771495079","url":"https:\/\/qualityheating.co.uk\/products\/engo-e901-wifi-uk-smart-wifi-wireless-thermostat-app-alexa-google-control-no-hub-gas-oil-heat-pump","provider":"AIZO Quality Heating","version":"1.0","type":"link"}