York S1-1TVM4J1 Expansion Valve 318423-701 24V six-function control engineered for

24V six-function control engineered for reliability in high-demand residential and mobile home heating systems

What causes a Ranco reversing valve coil to fail

The clear plastic dust cover provides essential protection for the real-time clock face while allowing for quick visual inspections of the current program status

This unit is typically rated for an inlet temperature of 100°F (38°C)

Common Questions: Is a minimum pressure differential required for this valve to actuate

York S1-1TVM4J1 Expansion Valve 318423-701 24V six-function control engineered forThe 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