this humidifier repair part provides the necessary mechanical reliability to restore optimal indoor air quality and humidity levels in standard HVAC configurations

it prevents the ignition sequence from proceeding

Ensure the top and bottom gauge valves are perfectly aligned

ensuring seamless integration into existing Barber Colman damper assemblies

Is the shaft rotation reversible

Lennox 42W35 TXV 322055-301 this humidifier repair part providesThe Lennox 42W35 is a professional grade R 410A thermostatic expansion valve (TXV) engineered for high precision refrigerant metering in residential and light commercial cooling systems. This OEM Lennox 100679 22 replacement features a 30 inch capillary tube designed to maintain consistent superheat across varying thermal loads, effectively preventing evaporator flooding and protecting the compressor from liquid slugging. With connection