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The Goodman 20201901 Drain Hose Tube is a genuine OEM condensate hose for the AMEH960805CXAA high-efficiency furnace. It routes acidic condensate from the collector box or drain trap to the outlet, and its exact inner diameter and wall thickness ensure a snug, leak-free connection at each barb without kinking or collapsing under normal operation.
Furnace drain hoses harden, crack, and clog with time as condensate mineralizes and the rubber ages near the heat exchanger. A compromised hose leads to water in the burner compartment, corrosion, and pressure-switch faults. Installing the factory-correct hose eliminates guesswork about diameter and length.
OEM vs. Generic: The OEM 20201901 is cut to the correct length with the proper ID for your furnace's barbs, so it seats fully and seals without clamps working loose. Generic bulk tubing often has the wrong diameter or stiffness, causing slow leaks and repeat service calls.
Install difficulty: Easy (1/5). Turn off power, slide the old hose off both fittings, route the new hose along the same path avoiding kinks, and press it fully onto each barb. Confirm a downhill slope for proper drainage. About 5–10 minutes with no special tools.