this kit provides a seamless transition by maintaining the AFUE rating and preventing soot accumulation within the heat exchanger

and Payne outdoor units and rooftop systems

forcing the McDonnell & Miller safety valve to vent as system pressure approaches its 30 PSI limit

Extended Component Life: Prevents "gumming" of sensitive internal orifices and pilot valves by eliminating oil aerosols

allowing for precise superheat control across a broad temperature range of -40°F to +50°F (-40°C to +10°C)

Lennox 26K49 TXV Refrigerant this kit provides a seamlessThe Lennox 26K49 Thermostatic Expansion Valve (TXV) is a critical metering component engineered specifically for 3 ton R22 refrigerant systems utilizing a B10 flowrater configuration. Designed to optimize evaporator efficiency, this internally equalized expansion valve maintains precise superheat levels across varying thermal loads, preventing liquid slugging and protecting the compressor from premature failure. As a direct OEM Lennox replacement