Lennox 42W37 TXV 319847-401 maximizing energy efficiency and extending

maximizing energy efficiency and extending the life of mechanical components in demanding commercial environments

Engineered for natural gas water heater repair

this controller maintains precision without the risk of igniting flammable atmospheres

Always allow 15-20 minutes for system stabilization between adjustments

this unit is factory-calibrated for an 8 psi crossover point

Lennox 42W37 TXV 319847-401 maximizing energy efficiency and extendingThe 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