Trane VAL8711 TXV 30067439-890 replacing it with the 100277772

replacing it with the 100277772 high-altitude switch is often necessary

Essential for accurate water temperature regulation and system safety

deferring replacement costs

Gobain silicon carbide igniters

Always check the wiring schematic on the furnace door to confirm terminal designations

Trane VAL8711 TXV 30067439-890 replacing it with the 100277772The Trane VAL8711 (now replaced by VAL08711) is a heavy duty, 2 ton thermostatic expansion valve specifically engineered for R 22 refrigerant systems. Designed with mechanical fittings including 3 8" inlet and 1 2" outlet connections, this TXV valve ensures precise refrigerant metering across various load conditions, preventing compressor slugging and evaporator flooding. Featuring a 53 49 PSI pressure rating and an external equalizer design, this