Daikin-McQuay 668043001 Valve 321894-709 Direct Fit: Foot-mount configuration ensures

Direct Fit: Foot-mount configuration ensures easy mounting and proper alignment with existing wiring harnesses

Is the 4A-203-A2F compatible with older 4A-200 series assemblies

Expanded Outlet Design: A 2-inch expanded outlet reduces backpressure during discharge

this kit is the standard for resolving uneven heating and burner instability

Daikin-McQuay 668043001 Valve 321894-709 Direct Fit: Foot-mount configuration ensuresThe Daikin McQuay 668043001 Valve is an essential OEM thermostatic expansion valve (TXV) engineered for precision refrigerant metering in commercial HVAC systems. This specific 1 4" x 3 8" ODF expansion valve is designed as a direct replacement part for Daikin and McQuay equipment, commonly utilized in R22 refrigerant applications to maintain a constant superheat at the evaporator outlet. By regulating the pressure drop from a high pressure liquid to