... Termostat, Temperature Controller, Temperature Switch, Heater Thermostat, Water Heater Thermostat, Temperature Thermostat, Heating Thermostat, Heat Pump ... , thermal protector, thermal switchPRINCIPLE OF OPERATION: With temperature rise, the expansion of liquid medium ... -type washing machine, water boiler etc.), refrigeration industry (refrigerator, ice-maker, cold drinks-maker etc.), and medical ...