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The Goodman 20201802 Drain Hose Tube is a genuine OEM condensate hose for the Goodman WFD195070S3BAB high-efficiency furnace and compatible WFD-series models. This tube routes acidic condensate between the collector box, drain trap, and drain outlet. Over time, factory hoses can harden, kink, or develop biofilm clogs that back up condensate and cause pressure-switch lockouts or water leaks. Replacing a worn hose restores clean, reliable drainage.
OEM vs. Generic: This authentic Goodman hose is cut to the correct length and inner diameter for a leak-free press-fit onto factory barbs. Generic tubing may not seat tightly or resist condensate acidity, leading to slow leaks and repeat failures. OEM ensures exact fitment and long service life.
Installation difficulty: Easy. Replacement is typically a 10-15 minute job: power down the furnace, pull the old hose off its fittings, and press the new tube fully onto each barb, securing clamps if used. Flushing the drain path while access is open helps prevent future clogs.
Keep your condensing furnace draining cleanly with genuine Goodman parts. The 20201802 ships fast and fits like factory.