... Thermostat, Heater, Water Thermostat, Water Heating System, Oven Thermostat, Temperature Thermostat, Heating Thermostat, Heat Pump Thermostat, Capillary Thermostat, Adjustable Thermostat, Thermal Protector, Room Thermostat, Mechanic Thermostat, Thermocouple, Thermometer, Thermostat ... thermostat will break contact with power line and null line at the same time, when the temperature of controlled ...