Airex Auto Cut Off Electronic Water Geyser Thermostat Temperature Controlling Sensor Temperature Sensor and Controller Electronic Hobby Kit

A thermostat exerts control by switching heating or cooling devices on or off, or by regulating the flow of a heat transfer fluid as needed, to maintain the correct temperatureThe thermostat is like a valve that opens and closes as a function of its temperature. The thermostat isolates the engine from the radiator until it has reached a certain minimum temperature. Without a thermostat, the engine would always lose heat to the radiator and take longer to warm up