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The Goodman B1796632 Seal and Nut (3/8 in.) is a genuine OEM sealing kit for the Goodman/Amana ARUF061-00A-1B air handler. This 3/8-inch seal and nut assembly forms the leak-tight mechanical connection at the coil's refrigerant fitting, holding system charge and preventing refrigerant loss at the joint. Worn or over-torqued seals are a common slow-leak point, so replacing the seal whenever a connection is opened is best practice.
The genuine Goodman OEM B1796632 matches the exact thread pitch and seal geometry of the ARUF061 fitting, so it torques down to a reliable, leak-free seal. Mismatched generic nuts and seals can cross-thread or seat unevenly, causing slow refrigerant leaks that are costly to diagnose. OEM ensures correct fit and sealing pressure.
Advanced — professional install recommended. Although the part itself is simple, it sits on the sealed refrigerant circuit. Replacing it typically requires recovering refrigerant, breaking the connection, fitting the new seal and nut to spec, then evacuating and recharging. This work should be done by an EPA-certified technician.