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The Goodman 10254303 Rubber Coupling is a genuine OEM sealing component engineered for the Amana/Goodman AMVM961005DXBA modulating gas furnace and compatible AMVM96-series models. This flexible coupling connects and seals condensate, drain, or inducer tubing junctions inside the furnace cabinet, preventing leaks and maintaining proper drainage on high-efficiency condensing furnaces.
This is the factory OEM coupling — molded to the exact durometer and bore diameter Goodman specifies, so it seats fully and seals without deforming. Generic couplings are often the wrong wall thickness, allowing slow condensate weeping that leads to nuisance pressure-switch trips and cabinet corrosion. For a leak-critical drainage joint, OEM is the safe choice.
Difficulty: Easy (1/5). No tools or special skills required — slip the old coupling off, seat the new one over the tube fittings, and confirm a snug seal. Always cut power at the furnace switch before servicing. Typical replacement time is under 5 minutes.