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The Goodman 10254303 Rubber Coupling is a genuine OEM sealing component for the Amana AMVM960805CXBA modulating 96% AFUE gas furnace and related Goodman/Amana models. This flexible coupling joins condensate drain and trap connections, creating a watertight, vibration-absorbing seal between rigid fittings so the high-efficiency furnace drains condensate reliably without leaks.
Factory rubber compounds are formulated to resist the mildly acidic condensate produced by condensing furnaces. Generic couplings can harden, crack, or swell over time, leading to slow drips that trigger nuisance pressure-switch or float-switch lockouts. The OEM 10254303 keeps the drain path sealed for the life of the equipment.
Easy (1/5). Slip-fit over the drain fittings and secure with the existing hose clamps. Turn off furnace power first and have a towel ready for residual condensate. A quick, tool-light repair suitable for most DIYers; consult a technician if the drain system shows other damage.