this kit provides a direct drop-in refurbishment to prevent unexpected downtime

furnaces and air handlers

Compatibility depends on your unit's serial and model number

maintaining the original factory specifications for defrost cycle termination and system protection

Lennox 48G57 Contactor 320819-301 this kit provides a directThe Lennox 48G57 Contactor is a heavy duty, 25 amp definite purpose control component engineered for high cycle demands in residential and commercial HVACR systems. As a 2 pole 24V contactor, this OEM replacement part handles the primary electrical load for compressors and condenser fans, ensuring synchronized phase switching to protect internal motor windings. The 48G57 features 24VAC 50 60Hz coil operations and 1 4 inch quick connect terminals,