... ,Termostat, Stat, Temperature Controller, Switches, Temperature Switch, Air Heater Thermal Switch, Sensor, Heater Thermostat, Heater, Water ... Thermocouple, Thermometer, Thermostat Wiring, HVAC, HVAC Thermostat, Air Heater Fan PRINCIPLE OF OPERATION: With temperature rise, ... oven, rolling-type washing machine, water boiler etc.), refrigeration industry (refrigerator, ice-maker, cold drinks-maker etc ...