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Restore a leak-free seal with the genuine Goodman 10254303 Rubber Coupling, engineered as a direct-fit replacement for the WGFM195045S3BAC gas furnace and other compatible Goodman/Amana condensing furnace platforms. This flexible elastomer coupling joins drain and vent components, absorbing vibration while maintaining a watertight, airtight connection that keeps condensate and combustion byproducts contained.
Our genuine OEM coupling is molded to Goodman's exact durometer and dimensional tolerances, so it seats without gaps and resists the heat cycling that cracks cheaper universal rubber parts. Generic couplings may be close in size but often harden and leak within a season. Choosing OEM protects your furnace's efficiency ratings and your warranty.
Difficulty: Easy (DIY-friendly). Most homeowners can complete this swap in under 15 minutes with basic hand tools. Power down the furnace, slide the retaining clamps off the old coupling, remove it, seat the new coupling squarely on both fittings, and re-secure the clamps. Confirm there are no leaks on the next heating cycle. If you are unsure about your model or vent configuration, consult a licensed HVAC technician.
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