Lennox 15D33 TXV 318518-761 its heavy-duty construction is designed

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

while the double-disc design offers redundant sealing for maximum reliability

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

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

ensuring precise manifold pressure regulation and reliable pilot ignition

Lennox 15D33 TXV 318518-761 its heavy-duty construction is designedThe 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