Trane AY28X079 Cooling Kit 320074-702 As a direct replacement for

As a direct replacement for S1-024-25056-700

The unit features a 1/4-inch OD barbed fitting

when equipped with a factory-approved vent limiting device

Direct Compatibility: Replaces worn or brittle compressor terminal plugs in various Lennox-branded heat pumps and air conditioners

Trane AY28X079 Cooling Kit 320074-702 As a direct replacement forMaintain critical head pressure and prevent evaporator freeze up with the Trane AY28X079 Low Temp Cooling Kit. This evaporator defrost control is a vital integration for commercial and industrial 4TTR6, 4TTA3, and BYC systems, enabling reliable low ambient cooling down to 30F. By cycling the compressor when the indoor coil approaches frost conditions, this condenser fan cycle control prevents oil dilution and ensures stable HVAC refrigerant pressure