Lennox 42W31 TXV 30067439-890 it can run entirely on

it can run entirely on battery power if a common wire is not present in the existing bundle

Reliable Fail-Safe: The synchronous spring return mechanism ensures the valve closes automatically upon power loss

Durable Construction: Features laser-welded stainless steel bellows designed to resist corrosion and mechanical fatigue in high-moisture settings

Enhanced Durability: Stainless steel construction at the tip prevents oxidation and burnout in high-temperature combustion zones

this genuine Resideo humidifier part provides the factory-spec fit required to eliminate bypass leaks and ensure reliable seasonal operation

Lennox 42W31 TXV 30067439-890 it can run entirely onMaintain peak performance in high efficiency cooling systems with the Lennox 42W31 TXV. This genuine OEM Lennox expansion valve is a precision engineered thermostatic expansion valve (TXV) specifically designed for R410A refrigerant applications. As the certified replacement for the 42W3101 (and part number 100679 17), this 5 ton expansion valve ensures a direct fit for residential and light commercial units, including KCA060 and KGA060 series.