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The Goodman 20201901 condensate drain hose tube is a genuine OEM replacement engineered for the GCH950453BXAD gas furnace and compatible Goodman/Amana high-efficiency models. This flexible drain tube routes acidic condensate away from the secondary heat exchanger and collector box to the drain pan or trap, protecting your furnace cabinet and electronics from corrosion and water damage.
Aftermarket drain tubing is often the wrong bore diameter or too stiff to seat on the factory barbed fittings, leading to slow leaks and nuisance pressure-switch lockouts. This genuine Goodman OEM tube is molded to the exact length, wall thickness, and durometer specified for your furnace, so it seals on the first fit and won't kink at the routing bends.
Easy (DIY-friendly, 1 of 5). No special tools required — pull the old tube off the barbed connections, confirm routing, and press the new tube on. Always shut off power and gas before servicing. If you are uncomfortable working near the heat exchanger, contact a licensed HVAC technician.
Order your genuine Goodman 20201901 drain tube today for a leak-free, factory-correct repair.