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VFD Compatibility: Includes an internal AEGIS bearing protection ring to prevent EDM electrical discharge damage when used with inverters
For 90 amp models
This OEM replacement is engineered specifically for commercial air handling units and process cooling environments where consistent air velocity and thermal management are non-negotiable
ideal for modern high-pressure refrigerants
allowing the belt to wrap tighter around smaller diameter sheaves while reducing internal heat buildup—a primary cause of premature drive failure
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