Lennox Y8736 TXV Kit 30067439-890 Check for blocked vents

Check for blocked vents

effectively preventing ignition lockout and E02 error codes

which is standard for many Rheem and Ruud vertical discharge condensing units

A C3 internal clearance provides more room between the balls and the races than a standard "Normal" fit

This reversibility allows for continuous monitoring of moisture removal after a filter-drier change

Lennox Y8736 TXV Kit 30067439-890 Check for blocked ventsThe Lennox Y8736 TXV Kit is a field installed 3 ton thermal expansion valve specifically engineered for high efficiency R410A air conditioning and heat pump systems. As a professional grade refrigerant flow control device, this kit ensures precise superheat maintenance across varying load conditions, preventing liquid slugging and evaporator starve out. This TXV replacement kit is the direct performance alternative for legacy part numbers 12J19,