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The Goodman 20201901 is an OEM condensate drain hose tube for the AMH950905CXAA condensing gas furnace and compatible Goodman/Amana equipment. This is a larger-run drain component that carries acidic secondary-heat-exchanger condensate from the collector box to the trap or drain outlet. Over time factory tubing can become brittle, clogged with scale, or crack at the bends — leading to water leakage, rust, and intermittent shutdowns. Replacing it with the exact OEM part restores a reliable, sealed drain path.
The genuine OEM 20201901 is molded to the precise length, diameter, and bend profile of this furnace cabinet, so it seats fully on every barbed fitting and won't sag into a low spot that traps water. Generic tubing requires cutting and often lacks the correct wall stiffness, risking kinks and blockages. For dependable condensate management, choose OEM.
Easy (2/5). Route and press-fit over the barbed connections, reusing original clamps. Cut power first, protect against condensate spillage, and verify free drainage and a filled trap before restarting.