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The Goodman 20201802 condensate drain hose tube is a genuine OEM replacement line for AMVM960805CXAA high-efficiency furnaces and compatible Goodman/Amana models. This flexible, high-temperature tube carries condensate between the collector box, drain trap, and outlet, keeping the condensate path sealed and correctly routed. Over time, factory hoses can harden, kink, or split — causing water leaks, algae blockage, and pressure-switch trips.
This OEM tube is cut and formed to the correct length and bend radius for your furnace, so it seats on the factory barbs without stretching or crimping. Generic bulk tubing may be the wrong diameter or stiffness, leading to weak connections and slow leaks. The OEM part installs clean and keeps the drainage system to spec.
Easy (1 of 5). Power off the furnace, slide the old hose off its fittings (release any spring clamps first), and press the new tube fully onto both barbs. Re-secure the clamps and check routing so the line maintains continuous downward slope. Under 10 minutes with no special tools.
Genuine Goodman OEM — a small part that prevents big water problems.