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The Goodman 20201902 is a genuine OEM 23-inch condensate drain hose tube engineered as the exact-fit factory replacement for the GMH951155DXAA 95% AFUE two-stage gas furnace. This flexible hose routes condensate away from the secondary heat exchanger and collector box to the drain trap, keeping your high-efficiency furnace draining cleanly and preventing overflow, water damage, and nuisance lockouts.
This is a genuine OEM Goodman part, cut and formed to the exact length and diameter your unit's collector box and trap require. Generic universal drain hose can be trimmed to fit, but often kinks, sits at the wrong angle, or fails to seal at the barbed fittings — leading to leaks and callbacks. For a guaranteed leak-free drain path, the factory part is the safe choice.
Easy (1/5). Power down the furnace, slide the old hose off its fittings, and press the new hose on until seated. No tools or gauges required. Confirm the run slopes downhill to the trap and secure any clamps. Most homeowners complete this in under 10 minutes.