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The Goodman 20201901 is a genuine OEM condensate drain hose assembly designed for the ACSH960703BXAA condensing gas furnace and compatible Goodman/Amana 96% AFUE platforms. This is the main drainage tube that channels acidic condensate away from the collector box and secondary heat exchanger to the trap and drain line, keeping moisture out of the burner compartment and electronics.
The genuine 20201901 is pre-formed to match the furnace's internal bend radius and port spacing, so it seats without kinks that restrict flow. Generic tubing of the wrong durometer can collapse under negative pressure or harden and crack from constant exposure to acidic condensate. The OEM hose is the reliable, long-life choice and protects your warranty.
Rating: Easy (2/5) — A straightforward DIY job. Turn off power and gas, remove the old hose from its fittings, route the replacement along the same path, and secure the connections. Confirm the drain trap is primed and clear before restarting. Allow 15–20 minutes.
Genuine Goodman OEM quality. In stock and ready to ship.