R37520B017 | THERMAL ROLLOUT SWITCH | Armstrong Furnace

Armstrong Furnace Thermal Rollout Switch [R37520B017]: The Armstrong Furnace Thermal Rollout Switch is a vital safety feature designed to interrupt the flow of electrical current to a furnace in the event of excessive heat. This switch operates by using a bi-metallic strip that bends or deforms when exposed to high temperatures, triggering the switch to open and break the circuit. The Armstrong Furnace Thermal Rollout Switch is a crucial component in maintaining the safe operation of your furnace. It helps prevent potentially hazardous situations, such as fires, by automatically shutting off the gas supply to the furnace when dangerous temperatures are detected. This switch is essential for maintaining the safety of your home and family. Install the Armstrong Furnace Thermal Rollout Switch today and ensure the reliable and protected operation of your furnace. Shop our HVAC supply store now for the best prices and fast shipping on all your furnace parts and accessories!