{"product_id":"esi-esrtp4rfw-wireless-programmable-room-thermostat-with-rf-receiver","title":"ESi ESRTP4RFW Wireless Programmable Room Thermostat with RF Receiver","description":"\u003cdiv style=\"font-size:16px; max-width:900px; margin:0 auto; font-family:Arial, Helvetica, sans-serif; color:#222;\"\u003e\n\u003cp style=\"margin:0 0 14px 0; line-height:1.6; color:#222;\"\u003eThe \u003cb\u003eESi ESRTP4RFW\u003c\/b\u003e is a wireless RF programmable room thermostat that combines time and temperature control in a single battery-powered unit, paired with a mains-wired RF receiver. Its \u003cb\u003elarge backlit LCD screen\u003c\/b\u003e and simple button layout make programming straightforward, while energy-saving features such as \u003cb\u003eChronoproportional Control (TPI), Optimum Start, and Optimum Stop\u003c\/b\u003e help reduce fuel costs and carbon emissions.\u003c\/p\u003e\n\u003cp style=\"margin:0 0 14px 0; line-height:1.6; color:#222;\"\u003eBecause the thermostat and receiver communicate wirelessly, the ESRTP4RFW can be positioned in the ideal room location for accurate temperature sensing without running a control cable back to the boiler or heating zone, and can be upgraded to smart control via the optional ESWIFIHUB and ESi Centro app.\u003c\/p\u003e\n\u003cdiv style=\"display:flex; flex-wrap:wrap; gap:10px; margin:20px 0;\"\u003e\n\u003cdiv style=\"flex:1 1 140px; background:#008377CF; color:#ffffff; border-radius:8px; padding:16px 10px; text-align:center; min-width:140px;\"\u003e\n\u003cdiv style=\"font-size:20px; font-weight:700; line-height:1.2;\"\u003e7\/5-2\/24h\u003c\/div\u003e\n\u003cdiv style=\"font-size:12px; margin-top:6px; opacity:0.92;\"\u003eProgramming Modes\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 140px; background:#008377CF; color:#ffffff; border-radius:8px; padding:16px 10px; text-align:center; min-width:140px;\"\u003e\n\u003cdiv style=\"font-size:20px; font-weight:700; line-height:1.2;\"\u003e4 or 6\u003c\/div\u003e\n\u003cdiv style=\"font-size:12px; margin-top:6px; opacity:0.92;\"\u003eDaily Time\/Temp Events\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 140px; background:#008377CF; color:#ffffff; border-radius:8px; padding:16px 10px; text-align:center; min-width:140px;\"\u003e\n\u003cdiv style=\"font-size:20px; font-weight:700; line-height:1.2;\"\u003eApprox. 30m\u003c\/div\u003e\n\u003cdiv style=\"font-size:12px; margin-top:6px; opacity:0.92;\"\u003eRF Transmission Range\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 140px; background:#008377CF; color:#ffffff; border-radius:8px; padding:16px 10px; text-align:center; min-width:140px;\"\u003e\n\u003cdiv style=\"font-size:20px; font-weight:700; line-height:1.2;\"\u003e5-35°C\u003c\/div\u003e\n\u003cdiv style=\"font-size:12px; margin-top:6px; opacity:0.92;\"\u003eTemperature Adjustment Range\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 140px; background:#008377CF; color:#ffffff; border-radius:8px; padding:16px 10px; text-align:center; min-width:140px;\"\u003e\n\u003cdiv style=\"font-size:20px; font-weight:700; line-height:1.2;\"\u003e±0.5°C\u003c\/div\u003e\n\u003cdiv style=\"font-size:12px; margin-top:6px; opacity:0.92;\"\u003eSensor Accuracy at 20°C\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 140px; background:#008377CF; color:#ffffff; border-radius:8px; padding:16px 10px; text-align:center; min-width:140px;\"\u003e\n\u003cdiv style=\"font-size:20px; font-weight:700; line-height:1.2;\"\u003e6(2)A\u003c\/div\u003e\n\u003cdiv style=\"font-size:12px; margin-top:6px; opacity:0.92;\"\u003eReceiver Contact Rating\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background:#FDECEC; border-left:4px solid #D93025; border-radius:4px; padding:14px 16px; margin:16px 0; line-height:1.6; color:#222;\"\u003e\n\u003cb\u003eInstallation requirement:\u003c\/b\u003e The RF receiver must be installed by a suitably qualified person in accordance with the latest IEE Wiring Regulations (BS 7671) and Part P of the Building Regulations. Always isolate the mains supply before fitting the back plate or carrying out any wiring work, as live and neutral contacts may touch during mounting and damage the product or cause harm if the supply is not isolated.\u003c\/div\u003e\n\u003cdiv style=\"background:#FFF6E5; border-left:4px solid #B25E00; border-radius:4px; padding:14px 16px; margin:16px 0; line-height:1.6; color:#222;\"\u003e\n\u003cb\u003eBattery type:\u003c\/b\u003e The thermostat unit runs on \u003cb\u003e2 x 1.5V AA (LR6) batteries\u003c\/b\u003e. Do not mix old and new batteries, and do not use rechargeable batteries, as this can cause inconsistent operation or incorrect time\/date resets.\u003c\/div\u003e\n\u003cdiv style=\"display:flex; flex-wrap:wrap; gap:14px; margin:20px 0;\"\u003e\n\u003cdiv style=\"background:#F7FBFA; border:1px solid #E0EDEB; border-radius:8px; padding:16px; flex:1 1 260px; min-width:260px;\"\u003e\n\u003cdiv style=\"color:#008377CF; font-weight:700; margin-bottom:8px; font-size:15px;\"\u003eChronoproportional Control (TPI)\u003c\/div\u003e\n\u003cdiv style=\"line-height:1.6; color:#222; font-size:14px;\"\u003eTPI acts as a load compensator, firing the boiler at regular intervals and adjusting the ON duration to match heat output with the building's heat loss. This reduces boiler cycling and the net return water temperature, improving efficiency by up to 10% in fuel cost and carbon emissions versus simple ON\/OFF thermostats.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background:#F7FBFA; border:1px solid #E0EDEB; border-radius:8px; padding:16px; flex:1 1 260px; min-width:260px;\"\u003e\n\u003cdiv style=\"color:#008377CF; font-weight:700; margin-bottom:8px; font-size:15px;\"\u003eOptimum Start \u0026amp; Optimum Stop\u003c\/div\u003e\n\u003cdiv style=\"line-height:1.6; color:#222; font-size:14px;\"\u003eOptimum Start automatically calculates the ideal heating start time based on current building temperature so the home reaches the desired temperature exactly when needed, rather than the user guessing a fixed start time. Optimum Stop turns the boiler off slightly early once the target is met, saving energy without a perceptible loss of comfort.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background:#F7FBFA; border:1px solid #E0EDEB; border-radius:8px; padding:16px; flex:1 1 260px; min-width:260px;\"\u003e\n\u003cdiv style=\"color:#008377CF; font-weight:700; margin-bottom:8px; font-size:15px;\"\u003eWireless RF Pairing\u003c\/div\u003e\n\u003cdiv style=\"line-height:1.6; color:#222; font-size:14px;\"\u003eThe thermostat communicates with its RF receiver over an \u003cb\u003eRF handshake approximately every 50 seconds\u003c\/b\u003e, with a transmission range of around 30m in open terrain, giving flexibility in thermostat placement away from the receiver and boiler.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background:#F7FBFA; border:1px solid #E0EDEB; border-radius:8px; padding:16px; flex:1 1 260px; min-width:260px;\"\u003e\n\u003cdiv style=\"color:#008377CF; font-weight:700; margin-bottom:8px; font-size:15px;\"\u003eSmart-Ready via ESWIFIHUB\u003c\/div\u003e\n\u003cdiv style=\"line-height:1.6; color:#222; font-size:14px;\"\u003eThe ESRTP4RFW can be RF-paired with the optional ESWIFIHUB, unlocking remote scheduling and control through the ESi Centro smartphone app, allowing an upgrade path to smart heating control without replacing the thermostat itself.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background:#F7FBFA; border:1px solid #E0EDEB; border-radius:8px; padding:16px; flex:1 1 260px; min-width:260px;\"\u003e\n\u003cdiv style=\"color:#008377CF; font-weight:700; margin-bottom:8px; font-size:15px;\"\u003eLandlord Service Reminder\u003c\/div\u003e\n\u003cdiv style=\"line-height:1.6; color:#222; font-size:14px;\"\u003eBuilt-in software reminds occupants when an annual Gas Safety Inspection or service is due, displaying a SER warning up to 30 days ahead of the due date, with configurable options that can also restrict heating run-time once the due date has passed.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background:#F7FBFA; border:1px solid #E0EDEB; border-radius:8px; padding:16px; flex:1 1 260px; min-width:260px;\"\u003e\n\u003cdiv style=\"color:#008377CF; font-weight:700; margin-bottom:8px; font-size:15px;\"\u003eFlexible Programming Structure\u003c\/div\u003e\n\u003cdiv style=\"line-height:1.6; color:#222; font-size:14px;\"\u003eChoose between 7-Day, 5\/2-Day, or 24-Hour programming, each supporting 4 or 6 temperature events per day, with a factory pre-set profile suitable for most households from first power-up.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ctable style=\"width:100%; border-collapse:collapse; margin:20px 0; font-size:14px;\"\u003e\n\u003ctr\u003e\u003ctd colspan=\"2\" style=\"background:#008377CF; color:#ffffff; font-weight:700; padding:10px 14px; font-size:14px;\"\u003eProgrammable Room Thermostat\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr style=\"background:#F7FBFA;\"\u003e\n\u003ctd style=\"padding:9px 14px; border-bottom:1px solid #E5EEEC; color:#333; width:45%;\"\u003eProgramming Modes\u003c\/td\u003e\n\u003ctd style=\"padding:9px 14px; border-bottom:1px solid #E5EEEC; color:#111; font-weight:600;\"\u003e7 Day, 5\/2 Day \u0026amp; 24Hr\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#ffffff;\"\u003e\n\u003ctd style=\"padding:9px 14px; border-bottom:1px solid #E5EEEC; color:#333; width:45%;\"\u003ePower Supply\u003c\/td\u003e\n\u003ctd style=\"padding:9px 14px; border-bottom:1px solid #E5EEEC; color:#111; font-weight:600;\"\u003e2 x 1.5V AA (LR6) batteries\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#F7FBFA;\"\u003e\n\u003ctd style=\"padding:9px 14px; border-bottom:1px solid #E5EEEC; color:#333; width:45%;\"\u003eTemperature Sensor Accuracy\u003c\/td\u003e\n\u003ctd style=\"padding:9px 14px; border-bottom:1px solid #E5EEEC; color:#111; font-weight:600;\"\u003e±0.5°C at 20°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#ffffff;\"\u003e\n\u003ctd style=\"padding:9px 14px; border-bottom:1px solid #E5EEEC; color:#333; width:45%;\"\u003eTemperature Adjustment Range\u003c\/td\u003e\n\u003ctd style=\"padding:9px 14px; border-bottom:1px solid #E5EEEC; color:#111; font-weight:600;\"\u003e5°C to 35°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#F7FBFA;\"\u003e\n\u003ctd style=\"padding:9px 14px; border-bottom:1px solid #E5EEEC; color:#333; width:45%;\"\u003eNumber of Programs\u003c\/td\u003e\n\u003ctd style=\"padding:9px 14px; border-bottom:1px solid #E5EEEC; color:#111; font-weight:600;\"\u003e4 or 6 (default: 4)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#ffffff;\"\u003e\n\u003ctd style=\"padding:9px 14px; border-bottom:1px solid #E5EEEC; color:#333; width:45%;\"\u003eProtection Rating\u003c\/td\u003e\n\u003ctd style=\"padding:9px 14px; border-bottom:1px solid #E5EEEC; color:#111; font-weight:600;\"\u003eIP30\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#F7FBFA;\"\u003e\n\u003ctd style=\"padding:9px 14px; border-bottom:1px solid #E5EEEC; color:#333; width:45%;\"\u003eDimensions\u003c\/td\u003e\n\u003ctd style=\"padding:9px 14px; border-bottom:1px solid #E5EEEC; color:#111; font-weight:600;\"\u003e127mm (L) x 81mm (W) x 28mm (D)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#ffffff;\"\u003e\n\u003ctd style=\"padding:9px 14px; border-bottom:1px solid #E5EEEC; color:#333; width:45%;\"\u003eBST\/GMT Time Change\u003c\/td\u003e\n\u003ctd style=\"padding:9px 14px; border-bottom:1px solid #E5EEEC; color:#111; font-weight:600;\"\u003eAutomatic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#F7FBFA;\"\u003e\n\u003ctd style=\"padding:9px 14px; border-bottom:1px solid #E5EEEC; color:#333; width:45%;\"\u003eCasing Material\u003c\/td\u003e\n\u003ctd style=\"padding:9px 14px; border-bottom:1px solid #E5EEEC; color:#111; font-weight:600;\"\u003eThermoplastic, flame retardant\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd colspan=\"2\" style=\"background:#008377CF; color:#ffffff; font-weight:700; padding:10px 14px; font-size:14px;\"\u003eRF Receiver\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr style=\"background:#F7FBFA;\"\u003e\n\u003ctd style=\"padding:9px 14px; border-bottom:1px solid #E5EEEC; color:#333; width:45%;\"\u003ePower Supply\u003c\/td\u003e\n\u003ctd style=\"padding:9px 14px; border-bottom:1px solid #E5EEEC; color:#111; font-weight:600;\"\u003e230VAC, 50Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#ffffff;\"\u003e\n\u003ctd style=\"padding:9px 14px; border-bottom:1px solid #E5EEEC; color:#333; width:45%;\"\u003ePower Consumption\u003c\/td\u003e\n\u003ctd style=\"padding:9px 14px; border-bottom:1px solid #E5EEEC; color:#111; font-weight:600;\"\u003e6W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#F7FBFA;\"\u003e\n\u003ctd style=\"padding:9px 14px; border-bottom:1px solid #E5EEEC; color:#333; width:45%;\"\u003eContact Type\u003c\/td\u003e\n\u003ctd style=\"padding:9px 14px; border-bottom:1px solid #E5EEEC; color:#111; font-weight:600;\"\u003e6(2)A 230VAC SPDT volt-free changeover\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#ffffff;\"\u003e\n\u003ctd style=\"padding:9px 14px; border-bottom:1px solid #E5EEEC; color:#333; width:45%;\"\u003eTransmission Distance\u003c\/td\u003e\n\u003ctd style=\"padding:9px 14px; border-bottom:1px solid #E5EEEC; color:#111; font-weight:600;\"\u003eApprox. 30m in open terrain\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#F7FBFA;\"\u003e\n\u003ctd style=\"padding:9px 14px; border-bottom:1px solid #E5EEEC; color:#333; width:45%;\"\u003eProtection Rating\u003c\/td\u003e\n\u003ctd style=\"padding:9px 14px; border-bottom:1px solid #E5EEEC; color:#111; font-weight:600;\"\u003eIP30\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#ffffff;\"\u003e\n\u003ctd style=\"padding:9px 14px; border-bottom:1px solid #E5EEEC; color:#333; width:45%;\"\u003eDimensions\u003c\/td\u003e\n\u003ctd style=\"padding:9px 14px; border-bottom:1px solid #E5EEEC; color:#111; font-weight:600;\"\u003e135mm (L) x 90mm (W) x 33mm (D)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#F7FBFA;\"\u003e\n\u003ctd style=\"padding:9px 14px; border-bottom:1px solid #E5EEEC; color:#333; width:45%;\"\u003eFixing\u003c\/td\u003e\n\u003ctd style=\"padding:9px 14px; border-bottom:1px solid #E5EEEC; color:#111; font-weight:600;\"\u003eEasy-fit back plate\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd colspan=\"2\" style=\"background:#008377CF; color:#ffffff; font-weight:700; padding:10px 14px; font-size:14px;\"\u003eOpenTherm (Where Fitted)\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr style=\"background:#F7FBFA;\"\u003e\n\u003ctd style=\"padding:9px 14px; border-bottom:1px solid #E5EEEC; color:#333; width:45%;\"\u003eConnections\u003c\/td\u003e\n\u003ctd style=\"padding:9px 14px; border-bottom:1px solid #E5EEEC; color:#111; font-weight:600;\"\u003ePolarity free\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#ffffff;\"\u003e\n\u003ctd style=\"padding:9px 14px; border-bottom:1px solid #E5EEEC; color:#333; width:45%;\"\u003eMaximum Line Length\u003c\/td\u003e\n\u003ctd style=\"padding:9px 14px; border-bottom:1px solid #E5EEEC; color:#111; font-weight:600;\"\u003e50 metres\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#F7FBFA;\"\u003e\n\u003ctd style=\"padding:9px 14px; border-bottom:1px solid #E5EEEC; color:#333; width:45%;\"\u003eMaximum Cable Resistance\u003c\/td\u003e\n\u003ctd style=\"padding:9px 14px; border-bottom:1px solid #E5EEEC; color:#111; font-weight:600;\"\u003e2.5 Ohms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd colspan=\"2\" style=\"background:#008377CF; color:#ffffff; font-weight:700; padding:10px 14px; font-size:14px;\"\u003eCompliance\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr style=\"background:#F7FBFA;\"\u003e\n\u003ctd style=\"padding:9px 14px; border-bottom:1px solid #E5EEEC; color:#333; width:45%;\"\u003eCE Directives\u003c\/td\u003e\n\u003ctd style=\"padding:9px 14px; border-bottom:1px solid #E5EEEC; color:#111; font-weight:600;\"\u003eEN60730-1, EN60730-2.7, EMC 2014\/30\/EU, LVD 2014\/35\/EU\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#ffffff;\"\u003e\n\u003ctd style=\"padding:9px 14px; border-bottom:1px solid #E5EEEC; color:#333; width:45%;\"\u003eUKCA Directives\u003c\/td\u003e\n\u003ctd style=\"padding:9px 14px; border-bottom:1px solid #E5EEEC; color:#111; font-weight:600;\"\u003eEMC Regulations 2016, Electrical Equipment (Safety) Regulations 2016\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003cdetails style=\"margin:8px 0; border:1px solid #E0EDEB; border-radius:6px; overflow:hidden;\"\u003e\u003csummary style=\"background:#008377CF; color:#ffffff; padding:12px 16px; font-weight:600; cursor:pointer; list-style:none; font-size:14px;\"\u003eDo I need to pair the thermostat and RF receiver myself?\u003c\/summary\u003e\u003cdiv style=\"padding:14px 16px; line-height:1.6; color:#222; background:#ffffff; font-size:14px;\"\u003eIf supplied together as a kit, the ESRTP4RFW and its RF receiver are already paired at the factory and require no further pairing. If the bond is ever lost, re-pairing is done by holding the HEATING button on the receiver until the MANUAL OVERRIDE light flashes, then setting the thermostat to OFF and holding the ALL DAY, HOLIDAY, and + buttons until pairing completes.\u003c\/div\u003e\u003c\/details\u003e\u003cdetails style=\"margin:8px 0; border:1px solid #E0EDEB; border-radius:6px; overflow:hidden;\"\u003e\u003csummary style=\"background:#008377CF; color:#ffffff; padding:12px 16px; font-weight:600; cursor:pointer; list-style:none; font-size:14px;\"\u003eHow many temperature events can I set per day?\u003c\/summary\u003e\u003cdiv style=\"padding:14px 16px; line-height:1.6; color:#222; background:#ffffff; font-size:14px;\"\u003eThe thermostat defaults to 4 daily programs but can be switched to 6 daily programs via the technical settings menu, giving up to six separate time and temperature changes each day.\u003c\/div\u003e\u003c\/details\u003e\u003cdetails style=\"margin:8px 0; border:1px solid #E0EDEB; border-radius:6px; overflow:hidden;\"\u003e\u003csummary style=\"background:#008377CF; color:#ffffff; padding:12px 16px; font-weight:600; cursor:pointer; list-style:none; font-size:14px;\"\u003eCan the ESRTP4RFW be used with smart home control?\u003c\/summary\u003e\u003cdiv style=\"padding:14px 16px; line-height:1.6; color:#222; background:#ffffff; font-size:14px;\"\u003eYes. It can be RF-paired with the optional ESWIFIHUB accessory, after which it can be controlled remotely using the ESi Centro app, available on the Apple App Store and Google Play.\u003c\/div\u003e\u003c\/details\u003e\u003cdetails style=\"margin:8px 0; border:1px solid #E0EDEB; border-radius:6px; overflow:hidden;\"\u003e\u003csummary style=\"background:#008377CF; color:#ffffff; padding:12px 16px; font-weight:600; cursor:pointer; list-style:none; font-size:14px;\"\u003eWhat type of batteries does the thermostat use?\u003c\/summary\u003e\u003cdiv style=\"padding:14px 16px; line-height:1.6; color:#222; background:#ffffff; font-size:14px;\"\u003eIt uses 2 x 1.5V AA (LR6) batteries. Rechargeable batteries should not be used, and old and new batteries should never be mixed in the same unit.\u003c\/div\u003e\u003c\/details\u003e\u003cdetails style=\"margin:8px 0; border:1px solid #E0EDEB; border-radius:6px; overflow:hidden;\"\u003e\u003csummary style=\"background:#008377CF; color:#ffffff; padding:12px 16px; font-weight:600; cursor:pointer; list-style:none; font-size:14px;\"\u003eIs the RF receiver suitable for DIY installation?\u003c\/summary\u003e\u003cdiv style=\"padding:14px 16px; line-height:1.6; color:#222; background:#ffffff; font-size:14px;\"\u003eNo. The RF receiver operates on 230VAC mains and must be installed by a suitably qualified person in accordance with BS 7671 (IEE Wiring Regulations) and Part P of the Building Regulations. The mains supply must be isolated before fitting the back plate or wiring the unit.\u003c\/div\u003e\u003c\/details\u003e\u003cdetails style=\"margin:8px 0; border:1px solid #E0EDEB; border-radius:6px; overflow:hidden;\"\u003e\u003csummary style=\"background:#008377CF; color:#ffffff; padding:12px 16px; font-weight:600; cursor:pointer; list-style:none; font-size:14px;\"\u003eDoes the thermostat support both gas and oil boilers?\u003c\/summary\u003e\u003cdiv style=\"padding:14px 16px; line-height:1.6; color:#222; background:#ffffff; font-size:14px;\"\u003eYes. The TPI setting is configurable between a 3-cycle mode (one cycle every 20 minutes, recommended for oil boilers) and a 6-cycle mode (one cycle every 10 minutes, recommended for gas boilers), allowing the control strategy to be matched to the boiler type on site.\u003c\/div\u003e\u003c\/details\u003e\n\u003c\/div\u003e","brand":"ESi","offers":[{"title":"Default Title","offer_id":65207082156381,"sku":"ESRTP4RFW","price":63.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0958\/2051\/3629\/files\/ESiESRTP4RFWWirelessProgrammableRoomThermostatwithRFReceiver.jpg?v=1783597909","url":"https:\/\/qualityheating.co.uk\/products\/esi-esrtp4rfw-wireless-programmable-room-thermostat-with-rf-receiver","provider":"AIZO Quality Heating","version":"1.0","type":"link"}