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leak-resistant installation for systems rated up to ANSI 250
ensuring stable control loop performance in both heating and cooling systems
it provides superior resistance against corrosion and harsh media
This valve is the standard for contractors maintaining National Board certified steam generators
What gauge wire should be used
Lennox 99K39 Expansion Valve mario leak-resistant installation for systems ratedAs a veteran HVAC technician, I know that maintaining precise refrigerant control is the difference between a high efficiency system and a compressor failure. The Lennox 99K39 Expansion Valve is a genuine OEM replacement part designed for accurate metering in residential and commercial cooling systems. This Thermostatic Expansion Valve (TXV) utilizes a 3 8 inch inlet and a 1 2 inch outlet to regulate liquid refrigerant flow into the evaporator coil.
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