Armstrong Furnace R101082-01 Limit Switch L145-40F

The Armstrong Furnace R101082-01 Limit Switch L145-40F is a temperature-controlled secure component applied in gas furnaces in HVAC systems. It is mainly used to sense excessive heat and close the control circuit to turn off the burner to prevent overheating. The mechanism involves a bimetal element that reacts to changes in temperature by opening or closing contacts at a given set point. Correct installation heat control of components, and assists in safe and continuous operation of the furnace.