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The Goodman 10254303 Rubber Coupling is a genuine OEM sealing coupling used on the Amana/Goodman AMVC951155DXBA high-efficiency gas furnace. This flexible rubber sleeve joins pressure-tubing, drain, or inducer connections and maintains an airtight, watertight seal in the condensate and combustion-air path. Over time rubber couplings harden, crack, or take a set, which can create combustion-air leaks that upset the pressure-switch signal or allow condensate seepage. Replacing a tired coupling restores a proper seal and prevents intermittent pressure-switch and drain faults.
The OEM coupling is molded to the precise inside diameter and wall thickness of the factory fitting, so it slips on without leaks or clamps fighting you. Generic hose or off-size couplings tend to weep or blow off under inducer vacuum. OEM guarantees an exact, no-guess fit.
Very Easy (1/5). Power off, slide the old coupling off, and push the new one on — no tools required in most cases. Under 5 minutes. Inspect adjacent tubing for cracks while you have access.