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The Goodman 10254303 is a genuine OEM rubber coupling used to create a flexible, leak-tight connection in the drain, condensate, or vent transition of the WFD195070S3BAA furnace and compatible Goodman and Amana equipment. Molded from heat- and moisture-resistant elastomer, it absorbs slight misalignment and vibration between two ports while maintaining a positive seal. A cracked or hardened coupling is a common source of condensate leaks, pressure-switch faults, and combustion-air issues, so replacing a worn one restores proper furnace operation.
The OEM Goodman coupling is sized to the exact inner and outer diameters of your furnace's ports and rated for the temperatures found in the appliance. Generic hose or plumbing couplings may not seat correctly or may degrade prematurely from heat, leading to repeat leaks. The OEM part ensures a proper, durable seal.
Very easy (1/5). Slip the old coupling off, clean the port surfaces, and press the new coupling into place (secure with clamps if originally equipped). Typically a 5–10 minute job with no special tools. Cut power and allow the furnace to cool before servicing.