Lennox 15D33 TXV 318518-761 as well as PHG4 and

as well as PHG4 and PHE4 heat pumps featuring the small base footprint

its heavy-duty construction is designed for high-voltage ignition circuits in industrial pilot and direct-spark configurations

verify fluid compatibility before installation in extreme temperature environments

this critical OEM replacement part uses high-pressure gas or pressure differentials to create a vacuum

Durable Construction: Heavy-duty cast iron housing provides long-term reliability in commercial HVACR applications

Lennox 15D33 TXV 318518-761 as well as PHG4 andThe Lennox 15D33 TXV is a high performance 4 ton thermal expansion valve engineered for precise refrigerant metering in residential and light commercial cooling systems. This OEM Lennox replacement part features a 3 8" ODM inlet and a 1 2" ODF outlet, specifically designed for R 410A refrigerant applications. By accurately responding to evaporator pressure and temperature changes, the 15D33 expansion valve maintains optimal superheat, protecting your