Lennox 22W68 Limit Switch 322838-753 VFD Compatibility: Includes an internal

VFD Compatibility: Includes an internal AEGIS bearing protection ring to prevent EDM electrical discharge damage when used with inverters

For 90 amp models

To ensure maximum service life and prevent premature thermal protector trips

4GHz Wi-Fi networks via the Resideo App

Lennox 22W68 Limit Switch 322838-753 VFD Compatibility: Includes an internalThe 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