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The Goodman 20201901 is a genuine OEM condensate drain hose tube built for the AMH950703BXAE high-efficiency gas furnace. It carries condensate through the cabinet along a pre-formed path, connecting the collector box and trap assembly so water drains freely and the draft-proving system reads correctly.
This OEM hose matches the original diameter, barb fit, and bend radius, so it seats without leaks and maintains proper downhill flow. Generic tubing may fit loosely on the barbs or require trimming, and an incorrect run can pool condensate and cause intermittent pressure-switch lockouts. The 20201901 is the factory-correct replacement for a worry-free repair.
Easy (1 of 5). Turn off power to the furnace, remove the old hose from its barbed fittings, and push the new 20201901 into place at both ends. Verify a continuous downhill path with no kinks, then restore power. Typically a 10–15 minute job with no special tools.