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The Goodman B1796632 Seal and Nut (3/8 in.) is the genuine OEM sealing nut assembly used on the 3/8-inch refrigerant connections of AEPT060-00C-1A air handlers. It provides the leak-tight mechanical seal between the flowrator/distributor fitting and the coil tubing. Whenever a metering device or inlet tube is serviced, replacing the seal and nut ensures a fresh, gas-tight joint — reusing an old, deformed seal is a frequent source of slow refrigerant leaks.
The seal's durometer, thickness, and the nut's thread pitch must match the factory fitting precisely to achieve a refrigerant-rated seal. The OEM B1796632 is the exact part specified by Goodman, eliminating guesswork. Generic seals may not compress correctly, leading to weeping joints and lost charge.
Moderate — Best for a Technician. Replacing the seal and nut requires opening a refrigerant connection, so the system should be properly recovered and recharged. Quick to swap (about 10 minutes) but EPA-certified handling of refrigerant is required.