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This part is the designated successor for those specific part numbers
Its laser-welded bellows construction offers enhanced durability against pressure spikes and mechanical fatigue typical in high-cycle commercial environments
it provides consistent conductivity for direct spark ignition (DSI) sequences
the 168198 is the SBQE valve body only
Professional Grade Durability: Crafted from high-quality brass to resist corrosion and thermal degradation in high-heat environments
Lennox Y8736 TXV Kit 30067439-890 This part is the designatedThe 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,