Lennox Y8736 TXV Kit 30067439-890 the 168198 is the SBQE

the 168198 is the SBQE valve body only

ensuring the system operates within safe mechanical limits

While designed as a Goodman D6723311S replacement

Professional Grade Durability: Crafted from high-quality brass to resist corrosion and thermal degradation in high-heat environments

you know that reusing old gaskets on a 4" flange is a recipe for a callback

Lennox Y8736 TXV Kit 30067439-890 the 168198 is the SBQEThe 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,