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The Goodman 10254303 is a genuine OEM rubber coupling designed for the condensate and drain plumbing of the ACV90905DXBB high-efficiency furnace. This flexible, chemically-resistant coupling joins drain hoses and fittings to create a leak-tight, vibration-tolerant connection — preventing the acidic condensate produced by a 90%+ AFUE furnace from dripping into the cabinet or onto the floor.
The genuine OEM 10254303 is molded to the exact inside diameter of this furnace's drain components for a slip-free, sealed fit. Generic rubber couplings are often slightly off-size, leading to slow leaks that corrode the cabinet over time. For a few dollars, the OEM part is the dependable choice.
Easy — DIY friendly. Slip the old coupling off, push the replacement onto both fittings, and secure with the existing clamps. No tools beyond a screwdriver or pliers are typically required. Always check for leaks after restoring condensate flow.