Lennox 42W39 Thermal Expansion Valve(TXV) Valve 5/8" ODM X1/2" ODF 3-Ton

The Lennox 42W39 Thermal Expansion Valve which is used to control the refrigerant flow in 3-ton HVAC systems. a TXV is installed in the refrigerant line and has a sensing bulb, This help in achieving performance of the air conditioning system since overfeeding of the evaporator coil with liquid refrigerant results in freezing and subsequent malfunctions. Constructed from brass material, the Lennox has standard 5/8 Inch inlet and 1/2 Inch outlet for easy fitting this TXV is an essential part to ensure the correct refrigerant pressure for the efficiency of the HVAC system.