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The Goodman 10254303 Rubber Coupling is a genuine OEM sealing component for the WGFM295115V5DAB high-efficiency condensing furnace. On 95%+ AFUE furnaces the coupling forms a watertight, airtight connection between condensate drain, trap, and vent components — preventing flue-gas leakage and condensate seepage that can corrode the cabinet or trip pressure faults.
The Genuine OEM coupling is dimensionally matched to Goodman's drain and inducer ports, ensuring a slip-fit that holds under the acidic condensate these furnaces produce. Our Generic-equivalent uses the same EPDM compound and dimensions at a lower cost. Because a failed seal can cause nuisance lockouts, we recommend replacing couplings whenever the trap or inducer is serviced.
Difficulty: Easy (1/5). Loosen the hose clamp, slide off the old coupling, clean the fitting, and push the new coupling on until seated, then re-torque the clamp. No tools beyond a nut driver or pliers. Inspect for condensate leaks on the first heating cycle.