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and G26Q3-75 series
this unit offers essential local control features
The 'P' (Pilot) terminal is dedicated to the burner-on indicator lamp circuit
the compressor humming without starting
How do I wire this for 277V vs 240V
Lennox Y8736 TXV Kit 30067439-890 and G26Q3-75 seriesThe 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,
