York S1-025-33307-002 Reversing Valve 30067439-890 between the evaporator and the

between the evaporator and the compressor

Technicians should check for an open circuit using an ohmmeter

common indicators include sensor errors or timing faults

this OEM switch ensures proper venting and combustion airflow before allowing the gas valve to energize

Operating as a L250F thermal limit switch

York S1-025-33307-002 Reversing Valve 30067439-890 between the evaporator and theThe York S1 025 33307 002 Reversing Valve is a critical 4 way pilot operated component engineered specifically for York heat pump systems. This heavy duty assembly features a 1 2" ODF suction line and 7 8" ODF discharge connections, facilitating precise refrigerant flow reversal to switch between heating and cooling cycles. Field proven for high pressure R 410A applications, this valve is primarily designed for B6HX series 15 SEER single packaged