The T4 thermostat is designed to provide automatic time and temperature control of heating systems in homes and apartments. The T4 is compatible with 24-230V on/off appliances such as gas boilers and combi-boilers. It also works with zone valve applications but not with electric heating (240V). T4R model has a wireless remote relay.
For control of high limit and fan motors in all types of forced air heating systems. These units utilise a tightly coiled bimetal element that responds quickly to a temperature change. 11.5 inch insertion depth. Includes swivel mounting flange.