York 028-12224-000 O-Ring Refrigerant flow enters from both Port

flow enters from both Port II (A) and Port III (B) and exits through Port I (AB)

This HVAC control board manages the critical defrost cycle by monitoring coil temperature and compressor run time to prevent excessive ice accumulation on the evaporator

ensuring reliable heat pump reversing valve troubleshooting performance

Will this work for other brands

You should verify your specific model and serial number against the 0257F00140S technical specifications to ensure a proper match

York 028-12224-000 O-Ring Refrigerant flow enters from both PortThe York 028 12224 000 O Ring is a critical sealing component engineered for high pressure HVACR applications, specifically within York chiller systems and industrial mechanical assemblies. Featuring a 6. 484 inch Inside Diameter (ID) and a 0. 139 inch thickness, this OEM York replacement part (also identified as S1 028 12224 000) is designed to fit precisely into machined grooves to prevent fluid and gas migration. Constructed from high performance