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The Goodman 20201902 is a genuine OEM 23-inch condensate drain hose engineered for the AMV91155DXAB modulating gas furnace and compatible Goodman/Amana high-efficiency models. This length of flexible tubing carries acidic condensate from the furnace's internal collector and trap assembly to the drain outlet. Its 23-inch factory length ensures the hose reaches its intended termination without stretching, kinking, or requiring splices that can leak.
The genuine OEM 20201902 is supplied at the exact 23-inch factory length with the correct diameter for a press-on, leak-free fit. Cutting generic tubing to length risks incorrect sizing and loose connections, which are a frequent cause of condensate leaks and pressure-switch faults on condensing furnaces.
Rating: Very Easy (1/5). About 5–10 minutes. Cut power to the furnace, detach the old hose, route the new 23" hose along the same path, and press it fully onto each barbed port. Confirm the run is free of kinks and that condensate drains freely before restoring power.
Genuine OEM replacement, backed by fast shipping from National HVAC Parts.