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York S1-025-35389-002 Reversing Valve 322056-301 and security system automationThe York S1 025 35389 002 Reversing Valve is a critical 4 way pilot operated component designed for high performance heat pump reversing valve applications. This genuine York OEM replacement part comes complete with the necessary solenoid coil to ensure immediate restoration of your systems directional refrigerant flow. Engineered for reliability in both residential and light commercial York HVAC systems, it facilitates the essential transition