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The Goodman B1796632 Seal and Nut (3/8 inch) is a genuine OEM sealing kit used at the refrigerant tubing/flowrator connection on the AEPF30361BA air handler. The matched seal and nut create a leak-tight mechanical joint at the metering-device connection, maintaining system charge and pressure integrity.
Seals harden and deform over time, and the original nut can gall or strip after repeated service. Replacing both together with the correct OEM components ensures the joint torques down properly and holds refrigerant without weeping.
The OEM B1796632 pairs the exact seal material and nut thread pitch Goodman specifies for this connection, so it seats and torques to factory spec. Generic flare washers and hardware-store nuts may use the wrong durometer or thread, leading to slow refrigerant leaks. For a connection that holds vacuum and charge, use the OEM seal and nut.
Moderate — about 15–30 minutes, but part of a sealed refrigerant joint. The system should be properly recovered before opening the connection, then evacuated and recharged after the new seal is torqued. Best performed by an EPA 608-certified technician.