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The Goodman 20201902 23-inch Drain Hose Tube is a genuine OEM condensate line for the Goodman/Amana AMH950904CXAG condensing gas furnace. Cut and formed to a 23" length, it spans from the collector box to the drain trap in high-efficiency furnaces, carrying away the acidic water produced by the secondary heat exchanger. The correct length matters — a hose that is too short strains the fittings, while excess length creates sags that trap water and cause overflow.
This factory 23" hose arrives at the exact length and bend profile your furnace was designed for, so it seats cleanly with no trimming or improvised clamping. Generic bulk tubing must be measured, cut, and coaxed into place — increasing the risk of kinks and leaks. The OEM part is a true drop-in.
About 10–15 minutes. Shut off power, remove the old hose from both barbed fittings, clear the trap, and press the new 23" hose fully onto each connection. Verify a smooth downhill run with no dips before restoring power.