Lennox Y8736 TXV Kit 30067439-890 it is professional best practice

it is professional best practice to replace the entire set in an atmospheric tray

How do I wire this for 277V vs 240V

The 'P' (Pilot) terminal is dedicated to the burner-on indicator lamp circuit

It serves as a direct upgrade or replacement for several legacy series

Lennox Y8736 TXV Kit 30067439-890 it is professional best practiceThe 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,