Lennox 97J67 Auto Limit Switch 110°F-140°F

The Lennox 97J67 is an auto limit switch which is a safety part of most Lennox HVAC equipment including furnaces and air handlers. It also works as a temperature protector, which means that if the temperature rises, the system will shut down on its own accord if the temperature is high; this is usually between 110 °F and 140 °F. This minimizes chances of overloading and possible destruction of your required HVAC system. the Lennox 97J67 is a basic and effective safeguard that adds years to the life of your HVAC systems.