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The Goodman 10254303 Rubber Coupling is a genuine OEM sealing component engineered for the GME950603BXAB 96% AFUE two-stage gas furnace and compatible Goodman/Amana models. This flexible rubber coupling creates a leak-tight, vibration-dampening connection between condensate drain and inducer/vent components, preventing flue gas escape and water seepage that can trigger nuisance lockouts.
Genuine OEM couplings are molded to exact durometer and dimensional tolerances so they seat fully and resist heat-related cracking. Universal generic couplings are cheaper but often loosen or harden prematurely, leading to slow leaks. For a reliable seal on a high-efficiency furnace, OEM is the safer long-term choice.
Easy (1/5). Slip-fit replacement — power down the furnace, remove the old coupling, seat the new one over the fitting, and secure any clamp. No tools beyond a nut driver typically required.
Always disconnect power before servicing. If unsure, consult a licensed HVAC technician.