Lennox 78L20 Valve 322838-753 is installed

is installed

the internal bimetal disc is defective

which provides a more robust and permanent seal compared to standard slip-on barbed fittings

this 208/230V single-phase component is essential for restoring the cooling capacity of Amana PTAC units and Goodman Packaged Terminal Air Conditioner systems

This is the bulbwell (immersion well) only

Lennox 78L20 Valve 322838-753 is installedThe Lennox 78L20 Valve is a professional grade thermostatic expansion valve (TXV) designed for precision refrigerant metering in 3 ton residential and light commercial AC units. Engineered specifically for R22 and R407C refrigerants, this OEM component regulates flow into the evaporator coil to maintain optimal superheat, preventing liquid slugging and protecting the compressor from premature failure. Featuring a 3 8" x 1 2" ODF (Outside Diameter