The 1-6X Thermostat Head TRV Radiator Thermostatic Heater Control Head Valve is a white, horizontal thermostat designed for central heating radiators. Made from ABS, metal, and plastic, this heating control head valve has an energy efficiency ratio of 18.1-19, making it energy-efficient. Manufactured in the United Kingdom, it has a manufacturer warranty of 3 months and is suitable for controlling the temperature in a single panel radiator. With a timerless function and a matte finish, this thermostat is a reliable and efficient choice for maintaining a comfortable home environment.