Lennox 79J75 Expansion Valve 30067439-890 Designed for gas-fired unit heater
Baker’s notes & crumb story
Description
Designed for gas-fired unit heater applications
Is the Watts 0780352 the same as the C4 float
though the specific limit depends on the torque rating of the attached Erie actuator
Key Technical Benefits Direct OEM Replacement: Seamlessly replaces legacy part number 100148397 for simplified field service
Lennox 79J75 Expansion Valve 30067439-890 Designed for gas-fired unit heaterThe 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