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The Goodman/Amana 20201902 is a 23-inch OEM Condensate Drain Hose Tube engineered for the AMEH960403BXAA high-efficiency gas furnace. This longer run carries condensate from the furnace's collector box and secondary heat exchanger down to the drain trap or floor drain. The pre-cut 23-inch length matches the factory routing exactly, so there's no guesswork on slack, kinking, or drainage slope. Replace it when the original tube is cracked, clogged, discolored, or has hardened with age.
Because this hose is supplied at the exact 23-inch OEM length, it drops in without cutting or splicing. Generic bulk tubing forces you to measure, cut, and hope the slope is correct—too tight and it kinks, too long and it sags and holds standing water that breeds algae and clogs. The genuine part removes that risk and maintains proper condensate flow.
Easy (1 of 5). Cut power and gas, unclamp the old hose, route the new 23-inch tube along the original path, and reattach the clamps. No tools beyond a nut driver or pliers required.
A clean, correctly sloped drain line is the cheapest insurance against pressure-switch lockouts and water damage.