Lennox 99K39 Expansion Valve mario ensuring stable control loop performance

ensuring stable control loop performance in both heating and cooling systems

Direct OEM Compatibility: Seamlessly replaces Hankison 3004-1 and SPX Flow visual indicators without line modifications

also identified as the RTA-125 3/4" Angle Steam Trap

it provides superior resistance against corrosion and harsh media

Lennox 99K39 Expansion Valve mario ensuring stable control loop performanceAs 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.