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The Goodman 10254303 is a flexible rubber coupling used to join drain and condensate hose connections on the WGFM195090S5DAB high-efficiency gas furnace. This small but essential seal maintains a leak-tight connection between drain fittings, preventing condensate seepage that can cause corrosion, water damage, or nuisance service calls. Rubber that has hardened, cracked, or split should be replaced to keep the drain system sealed.
The OEM Goodman coupling is molded to the exact inside diameter and wall thickness of the factory drain fittings for a slip-on, leak-free fit. Generic rubber couplings may be over- or undersized, leading to slow drips or blow-off. At this price point, OEM is the sensible choice.
Very Easy (1/5). Slide the old coupling off, push the new one on, and reseat any hose clamp. No tools or power-down required beyond normal service precautions.