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The Goodman 20201901 Drain Hose Tube is a genuine OEM condensate drainage component for the AMH950704CXAE condensing gas furnace. This molded tube carries acidic condensate from the secondary heat exchanger and collector box to the drain trap. Because it handles corrosive water continuously, factory-spec tubing is essential to avoid leaks that can trigger pressure-switch faults or corrode nearby components.
The OEM 20201901 is shaped to the furnace's exact internal geometry and fitting sizes, ensuring a leak-free, kink-free seat the first time. Generic tubing often needs trimming and can slip off mismatched barbs under condensate pressure. For dependable drainage in a condensing furnace, OEM is worth it.
Easy (2 of 5). Cut power, place a towel to catch residual water, remove the old hose from its barbs and clamps, install the new tube along the same route, and re-clamp. Verify free flow and no drips after restarting. Typical time 15–25 minutes.