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The Goodman B1796632 Seal and Nut (3/8 inch) is a genuine OEM sealing fitting for the ARUF030-00A-1A air handler. This assembly provides a leak-tight refrigerant connection at the 3/8-inch line set or metering joint, maintaining system pressure integrity and preventing refrigerant loss at the fitting.
Genuine Goodman seals are sized to factory thread and sealing-surface specs. Off-brand seals or nuts may not seat correctly, leading to slow refrigerant leaks. For sealed-system reliability, the OEM part is the safe choice.
Intermediate — Replacing the seal requires breaking and remaking a refrigerant joint, with recovery and recharge if the line is open. Best handled by an EPA 608-certified technician.