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The Goodman 20201901 Drain Hose Tube is a genuine OEM condensate hose for the AMVC951155DXBA modulating high-efficiency furnace and compatible Goodman/Amana models. This tube routes acidic condensate through the drain system of 90%+ AFUE condensing furnaces. Because it handles corrosive water continuously, the hose eventually stiffens, cracks, or fouls with debris — resulting in condensate leaks, cabinet corrosion, and pressure-switch lockouts. This factory part is molded to the exact contour, length, and inside diameter for a clean, leak-free installation.
Generic tubing may not match the pre-formed bends or diameter of this routing, which can cause kinks, condensate backup, and nuisance no-heat faults. The OEM Goodman hose drops in with the correct shape and seals reliably on the factory fittings, saving troubleshooting time on the job.
A quick 5–10 minute repair: cut power, remove the old hose from its barbed connections, and seat the replacement fully on each fitting. Verify free drainage and check for leaks after restoring operation. Replacing companion condensate hoses at the same time is recommended.