{"product_id":"drayton-rf901-digistat-single-channel-rf-programmable-room-thermostat-with-opentherm","title":"Drayton RF901 Digistat Single Channel RF Programmable Room Thermostat with OpenTherm","description":"\u003cdiv class=\"product-section\"\u003e\n\u003cp\u003e\u003cstrong\u003eDrayton RF901 Digistat Single Channel RF Programmable Room Thermostat with OpenTherm (MPN: RF901)\u003c\/strong\u003e is a versatile wireless heating control pack comprising a battery-powered Digistat room thermostat and an RF90S single-channel receiver. It can operate in simple relay mode or communicate via OpenTherm with compatible boilers, providing efficient load-compensating control and flexible 7-day programming from either the front panel or the Wiser Home app over Bluetooth.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eWireless single-channel control\u003c\/strong\u003e – RF link between thermostat and receiver for easy installation without running control cables to the living space.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual output options\u003c\/strong\u003e – selectable 3A volt-free relay output or OpenTherm bus connection for direct modulation of compatible boilers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBoiler Plus compliant\u003c\/strong\u003e – functions as a load-compensating smart control when used via OpenTherm, helping systems meet Boiler Plus requirements.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlexible programming\u003c\/strong\u003e – can be configured as 7-day, 5\/2-day, 24-hour programmable thermostat or as a simple non-programmable room thermostat.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBluetooth app control\u003c\/strong\u003e – local control and scheduling via the Wiser Home app over Bluetooth (no Wi-Fi or internet required), plus full manual control on the thermostat.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLarge backlit display\u003c\/strong\u003e – clear LCD with large numerals and icons for easy reading and operation in low light.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdvanced control algorithms\u003c\/strong\u003e – TPI (Time Proportional Integral) control in relay mode and load compensation in OpenTherm mode for stable room temperature and improved efficiency.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBoost \u0026amp; holiday functions\u003c\/strong\u003e – BOOST for temporary override (up to 3 hours) and holiday mode for reduced setpoints when away.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eService interval option\u003c\/strong\u003e – configurable service reminder for landlords and maintenance schedules.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eTechnical Highlights\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e Drayton Digistat RF901 single channel RF programmable room thermostat with OpenTherm.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eControl class:\u003c\/strong\u003e ErP Class V (load-compensating control), typically adding around 3% to system efficiency.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTemperature range:\u003c\/strong\u003e adjustable room setpoint typically from 5°C to 30°C.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThermostat power:\u003c\/strong\u003e battery powered (usually 2 x AA alkaline).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReceiver power:\u003c\/strong\u003e 230V AC, with SPDT volt-free contacts rated around 3A (suitable for boiler control, not for direct pump loads above rating).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRF communication:\u003c\/strong\u003e 433 MHz (proprietary Drayton RF link) between thermostat and receiver.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOpenTherm interface:\u003c\/strong\u003e dedicated low-voltage terminals on the receiver for OT-capable boilers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBluetooth:\u003c\/strong\u003e local connection to Wiser Home app (Android and iOS) for programming and configuration within range.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplications:\u003c\/strong\u003e single-zone control of combi boilers or system boilers (via a single heating zone), suitable for gas, oil and some heat pump systems when wired correctly.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting:\u003c\/strong\u003e thermostat wall-mounted or used with desk stand; receiver typically mounted near the boiler.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eTypical Use Cases\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eUpgrading older on\/off room stats to a Boiler Plus-compliant, load-compensating OpenTherm control on compatible boilers.\u003c\/li\u003e\n\u003cli\u003eSingle-zone combi installations where wireless control and basic app scheduling are required without a full multi-zone smart system.\u003c\/li\u003e\n\u003cli\u003eRetrofit applications where running new control cables to the living space is difficult, thanks to RF communication between stat and receiver.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Drayton Controls","offers":[{"title":"Default Title","offer_id":62858024223069,"sku":"RF901","price":95.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0958\/2051\/3629\/files\/DraytonRF901DigistatSingleChannelRFProgrammableRoomThermostatwithOpenTherm.jpg?v=1765525599","url":"https:\/\/qualityheating.co.uk\/products\/drayton-rf901-digistat-single-channel-rf-programmable-room-thermostat-with-opentherm","provider":"AIZO Quality Heating","version":"1.0","type":"link"}