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The Goodman B1796632 is a genuine OEM 3/8 inch seal and nut assembly for ARPF193116AA air handlers. This sealing nut secures a refrigerant or drain fitting and provides a leak-tight connection at the coil. Over time seals harden and weep; installing the correct OEM seal and nut restores a positive, leak-free joint.
This OEM seal and nut matches the exact thread pitch and seal durometer specified by Goodman. Generic hardware can cross-thread or under-seal, causing slow leaks that are difficult to diagnose. OEM guarantees the correct fit and sealing pressure.
Difficulty: Easy to Moderate. Thread the nut onto the fitting with the seal seated, and torque to spec. Allow 10–15 minutes. If the fitting is on the sealed refrigerant system, recovery and recharge by a certified technician are required.