The NEW Tower Room Thermostat STTRS1 is a white, square-shaped dial thermostat designed for central heating radiators. Made of plastic and powered by corded electric, this thermostat is compatible with Universal brands and offers automatic system switching for convenient control. With a 3-wire wire configuration and temperature sensor technology, this non-programmable thermostat provides frost protection and operates at 240V line voltage. Ideal for maintaining a comfortable home environment, this thermostat is a reliable and efficient choice for any heating system.