Britain's best selling range of thermostatic radiator valves set the standards for design, performance and quality, including TRV4 lockshield and pushfit packs to suit most domestic and commercial heating systems. This Drayton TRV4 2M Remote Sensing Thermostat Head features a white finish. It is part of the highly regarded Drayton TRV4 range, known for its excellent design, performance, and quality. Suitable for most domestic and commercial heating systems.