Lennox 42W37 TXV 320788-703 Maintenance-Free Design: No moving parts

Maintenance-Free Design: No moving parts reduce the risk of mechanical failure in turbulent tanks or high-vibration environments

The sensor is protected by a durable

By utilizing this OEM Lennox replacement part

Field Maintenance: The electrical assembly can be serviced or replaced without removing the body from the pipeline

dry air purge is applied to the 1/2" NPT connection if the application involves high dust levels or positive furnace pressure to keep the UV sensor clear of soot and debris

Lennox 42W37 TXV 320788-703 Maintenance-Free Design: No moving partsThe Lennox 42W37 Thermal Expansion Valve (TXV) is a critical HVAC refrigerant metering device engineered for precision performance in 3 ton air conditioning systems and heat pump applications. This OEM Lennox 42W37 valve features a 3 8" x 1 2" ODF connection with a sweat fit design, ensuring a leak resistant seal for professional installations. Utilizing a brass body for enhanced corrosion resistance, this R 410A expansion valve maintains the correct