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The Goodman 10254303 is a genuine OEM rubber coupling used on the WFD195070S3BAB gas furnace and related Goodman/Amana models. This flexible coupling forms an airtight, water-tight seal between drain, condensate, or inducer connections. Over time rubber hardens and cracks, allowing condensate leaks or combustion-air bypass that can trip pressure switches and cause intermittent lockouts. A fresh coupling restores a proper seal for reliable operation.
The OEM 10254303 is molded to the exact inner diameter and durometer needed for a leak-free press-fit. Generic couplings and universal hose can work in a pinch but often require clamps and may not seat cleanly, risking slow leaks. For a clean, worry-free seal, choose the OEM part — the cost difference is minimal.
Very Easy (1/5). Power down the furnace, slide off the old coupling, wipe the fittings clean, and press the new one into place. Under 10 minutes and no tools required in most cases. Verify there are no leaks after restarting the furnace.