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The Goodman 10254303 Rubber Coupling is a genuine OEM sealing component for the Goodman GMV951155DXBB 96% AFUE variable-speed condensing gas furnace. This flexible rubber coupling joins condensate drain and vent connections, absorbing vibration while maintaining an airtight, watertight seal. Worn or hardened couplings are a common source of condensate leaks and small vent-path air leaks that trigger pressure-switch faults on high-efficiency furnaces.
Genuine Goodman couplings match the exact inner diameter and durometer needed for a lasting seal on the GMV95 platform. Generic rubber couplings may be too soft, too stiff, or slightly off-size, leading to premature leaks. Given the low cost, OEM is the smart replacement.
Easy (DIY-friendly). Roughly 10 minutes with a screwdriver or nut driver for the hose clamps. Power off, loosen the clamps, slide off the old coupling, fit the new one, and re-tighten. Verify no leaks after restarting.