Lennox 79J75 Expansion Valve 30067439-890 With a 30-second cycle time

With a 30-second cycle time and built-in end switches

Whether you are servicing a rooftop package system or a residential split

This model is designed for single or two-speed fan control

5313" OD ensure drop-in compatibility with most OEM industrial air-moving equipment

ensuring accurate superheat measurement even in tight cabinet configurations

Lennox 79J75 Expansion Valve 30067439-890 With a 30-second cycle timeThe Lennox 79J75 (also identified as 79J7501) is a high precision thermostatic expansion valve (TXV) designed for consistent refrigerant flow control in Lennox air conditioning and heat pump systems. This HVAC expansion valve features a 3 8" x 1 2" sweat connection, ensuring a leak resistant, brazed fit for high pressure R 410A applications. As a critical component in the evaporator coil assembly, the 79J75 modulates refrigerant flow based on heat