York S1-1TVM4J1 Expansion Valve 318820-201 safe return of oil to

safe return of oil to maintain proper lubrication levels throughout the refrigeration cycle

ensuring the 120V input (White/Black) is properly insulated if not in use

Never kink the capillary

the 906-13DRW is specifically a remote-sensing model that includes the necessary 10K duct probe and a visible setpoint adjustment on the main thermostat base

a universal mounting strap may be required

York S1-1TVM4J1 Expansion Valve 318820-201 safe return of oil toThe York S1 1TVM4J1 Expansion Valve is a precision engineered 5 ton thermostatic expansion valve (TXV) designed for R410A refrigerant applications. As an OEM York replacement part, this externally equalized TXV ensures optimal superheat control across varying load conditions, preventing liquid slugging and protecting the compressor. Featuring a 5 8" male x 5 8" female flare connection and a 30 inch capillary tube, the S1 1TVM4J1 provides the