Lennox 50W57 Gasket 340793-762 Designed with a 1-inch sweat

Designed with a 1-inch sweat connection

Always verify the furnace limit switch location and part number against the manufacturer’s parts manual

the V46BT-3 Valve delivers superior performance

allowing for reliable operation across various unregulated DC power leads

Lennox 50W57 Gasket 340793-762 Designed with a 1-inch sweatThe 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