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The Goodman 20201901 is a factory OEM condensate drain hose tube engineered specifically for the WGFD293090V5DAB gas furnace and compatible Goodman/Amana high-efficiency models. This flexible drain tube routes condensate away from the secondary heat exchanger and collector box to the drain trap, keeping your furnace operating safely and preventing water backup, overflow, and nuisance pressure-switch lockouts.
Because condensate is mildly acidic, using a genuine OEM tube matters — it is molded from chemical-resistant material rated for continuous exposure to furnace condensate, so it won't crack, collapse, or degrade the way generic aftermarket tubing can.
Generic drain hoses are often close in size but not identical — a slightly wrong inner diameter or wall stiffness leads to leaks at the collector-box barb or kinks that block flow. This genuine Goodman OEM tube is a guaranteed exact fit with the correct length, bend radius, and connection geometry, so you install it once and forget it.
Easy (1 of 5). Power down the furnace, slide the old tube off the collector-box and trap barbs, and press the new tube fully onto each fitting. No tools or special skills required — a typical replacement takes under 10 minutes. Always verify the drain trap is primed with water before restarting.
Backed by exact-fit OEM quality. In stock and ready to ship.