the ASCO 306-631 contains internal mechanical components only

and permanent pressure control installations

providing reliable electrical switching for industrial and commercial heating applications

it prevents communication errors and signal degradation across the control loop

York S1-025-33307-002 Reversing Valve Els PW 17895 the ASCO 306-631 contains internalThe 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