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The Goodman 20201901 Condensate Drain Hose Tube is a genuine OEM replacement engineered for the AMH950703BXAF high-efficiency gas furnace. This flexible drain tube routes condensate away from the secondary heat exchanger and drain pan, keeping moisture out of critical furnace components and preventing water damage, corrosion, and nuisance safety-switch trips.
Genuine OEM tubing is molded to the exact diameter, length, and bend radius Goodman specifies, so it seats on the drain fittings without kinking or leaking. Aftermarket generic hose is cheaper but often the wrong bore size or wall thickness, which can slip off under condensate pressure or collapse over time. For a component that manages water inside your furnace, the OEM part is the safe choice.
Easy (1/5). Power down the furnace, slide the old hose off its barbed fittings, press the new tube on, and secure the clamps. No special tools required — most homeowners complete this in under 10 minutes. Confirm the drain path slopes downward and is free of clogs before restoring power.