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The Goodman 20201901 is a genuine OEM condensate drain hose tube engineered for the GCH90703BXAB high-efficiency gas furnace and other compatible Goodman/Amana models. In a 90%+ AFUE condensing furnace, the secondary heat exchanger produces acidic condensate that must be routed cleanly to the drain trap. This flexible molded tube carries that condensate without kinking, cracking, or leaking, protecting the cabinet, control board, and blower compartment from moisture damage.
Generic drain tubing is often cut to length and can be the wrong diameter, leading to loose connections and slow leaks. The genuine OEM 20201901 is molded to the exact geometry of the GCH90703BXAB drain path, so it seats correctly the first time and holds its shape under heat and vibration. Choose OEM for guaranteed fit and long-term reliability.
Easy (1/5). Power down the furnace, disconnect the old hose from the drain trap and collector box fittings, slide the new 20201901 into place, and secure the clamps. Most homeowners complete this in under 15 minutes. If your furnace is under warranty or you are unsure, consult a licensed HVAC technician.
Genuine OEM Goodman part. Please verify your model number before ordering.