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The Goodman 10254303 Rubber Coupling is a genuine OEM sealing component used on the GMS951155DXA 95% AFUE gas furnace and related GMS95-series models. This flexible coupling creates an airtight, vibration-dampening connection between the inducer assembly and drain/condensate plumbing, preventing flue-gas leakage and nuisance pressure-switch faults. A cracked or hardened coupling is a common cause of intermittent lockouts and moisture around the burner compartment.
Our OEM Goodman coupling is molded to the exact durometer and inside diameter of the factory part, guaranteeing a leak-free seal for the life of the furnace. Aftermarket generic couplings are offered at a lower price point but may vary in wall thickness and rubber compound, which can shorten service life in high-condensate environments. For a component this inexpensive, most technicians recommend the genuine OEM part.
Rated 1 of 5. Power down the furnace, slide the old coupling off the inducer/drain fitting, seat the new coupling fully, and secure any clamps. Typical replacement time is under 10 minutes with no special tools. Always verify combustion venting after service.
This is a replacement HVAC repair part. Installation should be performed by a qualified HVAC technician in accordance with local codes.