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The Goodman 10254303 is a genuine OEM rubber coupling used to join and seal condensate drain or hose connections on GCV91155DXBA high-efficiency gas furnaces. This flexible coupling absorbs vibration and maintains a watertight connection between drain components. A cracked, hardened, or leaking coupling causes condensate drips, pressure-switch faults, and potential water damage — this factory part restores a reliable seal.
This genuine Goodman coupling is molded to the exact inner diameter and durometer needed for a leak-free, vibration-resistant fit. Generic rubber couplings may be the wrong size or a softer compound that fails prematurely, leading to condensate leaks and repeat service. OEM ensures a proper seal that lasts.
Easy (1/5). Power down the furnace, loosen or slide off the old coupling, clean the connection points, and press the new coupling into place, securing any clamps. No special tools required; typically under 10 minutes.
Always disconnect power before servicing. If you are unsure, consult a licensed HVAC technician.