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The Goodman 10254303 is a genuine OEM rubber coupling used to create a flexible, leak-free connection on the Amana/Goodman AMS950703BXA high-efficiency condensing furnace. In 95% AFUE furnaces, tight condensate and drain-line seals are essential — even a minor leak can trip the pressure switch, cause nuisance lockouts, or allow acidic condensate to damage the cabinet. This molded coupling restores an OEM-grade seal between hose or tube sections.
The OEM 10254303 is sized to the exact inside/outside diameters of the factory hoses for a slip-free, no-leak fit. Generic couplings can be close but often require clamps or trimming; for a small-cost part on a sealed combustion system, OEM is the low-risk choice.
Easy — a simple push-on replacement. Power down the furnace, remove the old coupling, seat the new one fully, and confirm no leaks on the next heat cycle. No special tools required.