Lennox 50W57 Gasket 340793-762 Factory-calibrated for a 9 PSI

Factory-calibrated for a 9 PSI crossover point

Drop-In Installation: Standard 48-frame size and thru-bolt mounting simplify field replacement for maintenance crews

this is a 115V rated motor

Multi-Speed Flexibility: Features three distinct speed taps (1550/1300/1050 RPM) for precise air balancing during system commissioning

Lennox 50W57 Gasket 340793-762 Factory-calibrated for a 9 PSIThe Lennox 50W57 Gasket (also identified by part number R20539501) is an essential OEM component for maintaining a gas tight seal in condensing furnaces. As a veteran technician, you know that a compromised cold header collector box gasket is often the root cause of persistent condensate leaks and pressure switch tripping in high efficiency units. This genuine Lennox replacement part is engineered to withstand the demanding thermal cycling and