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The Goodman 20201901 is a genuine OEM condensate drain hose tube engineered for the GMS951155DXA 96% AFUE multi-speed gas furnace and other compatible Goodman high-efficiency models. In condensing furnaces, the secondary heat exchanger produces acidic condensate that must be routed cleanly to the drain assembly. This molded hose tube carries that condensate from the collector box to the drain trap, and a cracked, brittle, or clogged hose is a leading cause of nuisance lockouts, water pooling, and pressure-switch faults.
The OEM 20201901 is molded to the exact bend radius and port diameters of the Goodman collector box, so it seats without kinks or leaks. Generic aftermarket tubing can be cut to fit at a lower cost, but it often lacks the correct pre-formed geometry and chemical resistance rating, which can lead to premature cracking from acidic condensate. For a reliable, leak-free repair, we recommend the OEM part.
Easy (1/5). This is a straightforward slip-on hose replacement. Shut off power to the furnace, disconnect the old hose from both ports, remove any clamps, and press the replacement into place. No special tools required; typical job time is under 15 minutes. Always confirm your model number before ordering.