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The 10254303 is a genuine OEM Goodman rubber coupling and a direct-fit replacement for the GKS90703BXAH gas furnace. This flexible connector seals and joins vent, drain, or inducer components, absorbing vibration while maintaining an airtight and watertight connection. Over time rubber couplings harden, crack, or leak — leading to condensate drips, pressure-switch faults, or minor combustion-air leaks that trigger nuisance shutdowns.
The OEM coupling is molded to the exact inside diameter and wall thickness the GKS90703BXAH assembly requires, so it seats and seals without leaks. Generic hose or coupling stock may be the wrong size or a lower temperature grade, risking slow leaks and repeat failures. Choosing OEM guarantees a correct, long-lasting seal.
Easy. A 5–10 minute job. Power down the furnace, loosen the retaining clamps, slide off the old coupling, and press the new one fully onto both fittings. Re-tighten the clamps evenly and check for a snug, square fit. Confirm there are no gaps before restoring power, and verify the pressure switch and drain operate normally on the next cycle.
Always disconnect power before servicing. Inspect adjacent hoses and clamps while you have access.