Lennox 42W31 TXV 30067439-890 This kit is specifically calibrated

This kit is specifically calibrated for the Series 20 TMV

Is the L190 SOX insert interchangeable with other materials like Urethane or Hytrel

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 This kit is specifically calibratedMaintain 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.