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The Goodman 20201902 is an OEM 23-inch condensate drain hose tube built for the AMH950905CXAA high-efficiency gas furnace and compatible Goodman/Amana models. Pre-cut to length at the factory, this tube carries corrosive condensate from the furnace's drain system to the outlet without kinks or low spots. Cracked, hardened, or clogged drain tubing is a frequent cause of water leaks, collector-box overflow, and pressure-switch lockouts — this exact-fit replacement resolves it.
Genuine OEM 20201902 ships at the correct 23" length with the proper inside diameter, so it installs in seconds and seats firmly on the barbed fittings. Generic tubing must be measured, cut, and matched for diameter — get it wrong and you risk slip-offs or flow restriction. For a fast, leak-free job, OEM is the smart pick.
Very Easy (1/5). Press the pre-cut tube onto the barbed drain fittings and secure with the original clamps. Power off, catch residual condensate, and confirm free drainage before returning the furnace to service.