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The Goodman 20201901 is a genuine OEM condensate drain hose tube designed for the AKSS920703BXAA high-efficiency gas furnace. This molded drain line routes acidic condensate from the furnace's collector box and drain trap to the outlet, keeping moisture away from electrical and combustion components. Over time factory hoses can harden and split; replacing the drain tube restores proper condensate flow and prevents leaks that lead to corrosion and lockout faults.
The genuine 20201901 is manufactured to the exact bend, length, and diameter that the AKSS920703BXAA drainage path requires, ensuring a drip-free connection at every barb. Generic replacements often need cutting or adapters and may not tolerate the sustained heat and acidity of condensing-furnace condensate. Choosing OEM avoids nuisance leaks and preserves warranty coverage.
Easy (1 of 5). Shut off power to the furnace, disconnect the old hose from its fittings, and route the new tube along the same path. Seat it fully on each barb and reattach any clamps. Typically completed in 15–20 minutes.