By keeping the compressor oil warm

and Johnson Controls that support Balco curves

and permanent pressure control installations

it does not require a neutral connection or external power to operate the timing mechanism

providing reliable electrical switching for industrial and commercial heating applications

York S1-025-33307-002 Reversing Valve Els PW 17895 By keeping the compressor oilThe 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