The CP4 V2 OpenTherm Programmable RF Thermostat combines a contemporary design with practical heating control features. Building on the popular original CP4, this updated version introduces a redesigned receiver compatible with an industry-standard six-pin backplate and a convenient 30-minute heating boost function.
Designed for programmable wireless heating control, the CP4 V2 provides adjustable temperature settings and scheduled operation. It is Boiler Plus compliant, making it a useful option for compatible heating systems requiring an appropriate energy-saving control.
The kit comprises the RFRP-V2 programmable room thermostat and RF1B receiver. The thermostat is battery powered, while the receiver provides a volt-free SPDT switching output.
The EPH Controls CP4B is a battery-operated digital programmable room thermostat designed to control a single heating zone. Featuring OpenTherm technology alongside Optimum Start, TPI and On/Off control modes, it provides flexible heating control for compatible boiler systems.
With programmable temperature settings and a clear digital interface, the CP4B allows heating to be adjusted to suit your daily routine. Its battery-powered design uses two AA batteries, while the adjustable switching differential lets the thermostat be configured to suit the heating system.
The EPH CP4B is Boiler Plus compliant and supports OpenTherm communication when connected to a compatible OpenTherm boiler.
The EPH Controls CP4M is a mains-powered digital programmable room thermostat designed to control a single heating zone. It supports OpenTherm, Optimum Start, TPI and On/Off control modes, offering flexible heating control for compatible boiler systems.
Operating on a 230V AC power supply, the CP4M is designed to fit an industry-standard six-pin backplate. Its programmable functionality allows heating control to be tailored to your routine, while the adjustable switching differential provides flexibility when configuring the thermostat for your heating system.
The CP4M is Boiler Plus compliant and supports OpenTherm control when connected to a compatible boiler.
The EPH CP4 CombiPack4 is an OpenTherm programmable RF room thermostat and receiver designed to control one heating zone. This wireless programmable thermostat is Boiler Plus compliant and supports OpenTherm®, Optimum Start, TPI and On/Off control modes.
The CP4 thermostat and receiver are supplied pre-paired for easy installation. Flexible heating schedules, frost protection, boost and holiday modes provide convenient control of your heating throughout the day.
Delivery: Tracked 48 £2.99 (2–3 working days) or Tracked 24 £4.00 (1–2 working days). Free collection from our Wellingborough branch.
The EPH Controls CP4D is a programmable OpenTherm® RF thermostat designed for accurate and convenient heating control. Operating at 230Vac, 50 Hz, 3A, it delivers reliable performance for both domestic and commercial heating systems.
The Honeywell Home T6R‑HW Wireless Smart Hot Water Control (Y6H920RW4026) delivers intelligent remote management of both heating and stored hot water systems. With WiFi connectivity, app and voice‑assistant support, separate hot‑water scheduling and geofencing‑enabled comfort, it’s designed to boost efficiency and simplify everyday use.
The Ideal Halo Lite OpenTherm Wired Combi Programmable Room Thermostat is a modern heating control designed for compatible Ideal Logic and Vogue combi boilers. With a large backlit colour screen, clear icons and an easy-to-use dial and button interface, it makes adjusting room temperatures and managing heating schedules straightforward.
Featuring load compensation and OpenTherm control, the Halo Lite is designed to help improve heating control and meet applicable Boiler Plus requirements when installed as part of a compatible system. Its wired connection means it does not require batteries, while its slim, gloss-white design fits neatly into a range of home interiors.
Flexible scheduling and advanced settings allow the control to be tailored to household routines and landlord requirements.
The Ideal Heating RF Electronic Programmable Room Thermostat Kit (216131) is a wireless programmable room thermostat designed for compatible Ideal Logic and Vogue combi boilers.
Using wireless communication and OpenTherm control, the thermostat allows you to set a seven-day central heating schedule and adjust your desired room temperature. It also includes holiday mode, built-in frost protection and automatic summer/winter time updates.
The thermostat displays boiler fault messages in English, helping you understand certain boiler faults without needing to interpret an unfamiliar fault code.