Description
Lennox 97J49 is a Automatic limit switch critical part in HVAC system a temperature guardian, it automatically shuts down heating system when temperatures move outside a range between 120°F – 150°. That prevents your furnace or air handler from overheating possibly causing damage. The Lennox 97J49 is closely monitoring temperature, located in furnaces and air handlers. The switch triggers an automatic shut down if it exceeds the setpoint and then shut down your HVAC system to prevent malfunctioning. This protective safeguard means your HVAC equipment is protected from harm.
