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The Goodman 20201902 is a genuine OEM 23-inch condensate drain hose tube designed for the GCH90905DXAB gas furnace. Its longer length spans from the secondary heat exchanger drain to the condensate trap, carrying acidic condensate safely out of the cabinet. A cracked or clogged drain line is a common cause of pressure-switch lockouts and water pooling — this OEM tube restores proper drainage.
Factory Goodman OEM hose is pre-cut to the correct 23-inch length with the proper inner diameter for a snug, leak-free fit. Generic hose cut to length can be the wrong bore or too stiff to route cleanly, increasing the risk of kinks and slow drainage.
Easy (1 of 5). Shut off power, remove the old hose from both fittings, route the new 23-inch tube along the original path, and clamp both ends. No cutting or tools required. When in doubt, contact a licensed HVAC technician.