OEM Lennox Armstrong Ducane TXV Thermal Expansion Valve Replaces 99K39 99K3901
99K39 99K3901. It replaces the part numbers listed below. This is achieved by monitoring temperature and pressure in the refrigerant system. Replaces Old Part #s.
99K39 99K3901. It replaces the part numbers listed below. This is achieved by monitoring temperature and pressure in the refrigerant system. Replaces Old Part #s.