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The Goodman 20201901 Drain Hose Tube is a factory OEM condensate drain line built for the Goodman ACSH960905DXAA high-efficiency furnace and related models. It carries acidic condensate from the secondary heat exchanger and collector box to the drain trap, protecting internal components from standing water and rust. As the manufacturer-specified part, it delivers exact length and fitment for a clean, reliable installation.
Universal hose kits force you to measure and cut, and the wrong inner diameter can pop off the collector-box nipple under thermal cycling. The genuine Goodman OEM 20201901 arrives pre-sized with the correct bore and connectors, ensuring a secure seal and uninterrupted drainage.
Easy (1/5). Power down the furnace, detach the worn hose, route the new tube along the original path, and seat both ends fully. Roughly 10 minutes with basic hand tools. Confirm the condensate trap is clear while you're in there.