Lennox 22W68 Limit Switch 322838-753 To ensure maximum service life

To ensure maximum service life and prevent premature thermal protector trips

ideal for modern high-pressure refrigerants

4GHz Wi-Fi networks via the Resideo App

Technicians should check for a clogged internal screen or a lost charge in the power element

When performing a replacement heater element installation

Lennox 22W68 Limit Switch 322838-753 To ensure maximum service lifeThe Lennox 22W68 Limit Switch is a critical safety component engineered to monitor internal plenum temperatures and prevent heat exchanger damage. This OEM Lennox replacement part is calibrated with an L165 40F temperature rating, meaning the circuit opens at 165F to interrupt the heating cycle and automatically resets once the temperature drops by 40F. Designed for high demand HVAC furnace repair and commercial rooftop units, this 165F high limit