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The Goodman 10254303 Rubber Coupling is a genuine OEM sealing component for the Goodman GCH950704CXAD high-efficiency gas furnace. This flexible coupling creates a watertight, vibration-tolerant connection at condensate drain and internal hose junctions, preventing leaks that can cause water damage, corrosion, and nuisance lockouts from a wet pressure switch. Rubber that has hardened, cracked, or split is a common cause of drips beneath a condensing furnace — replacing this inexpensive part restores a clean seal.
The OEM 10254303 is molded to the exact inner diameter and durometer of the original for a guaranteed drip-free fit. Our generic equivalent matches the dimensions at a lower cost and works well for standard drain repairs. Both seal reliably against condensate.
Very Easy (1/5). Slip the old coupling off, seat the replacement fully, and confirm any clamps are snug. Run the furnace and check for drips. Turn off power before servicing. A quick, no-tool repair for most homeowners.