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The Goodman 20201902 is a genuine OEM 23-inch condensate drain hose engineered for the GMV90905CXBA two-stage, variable-speed 92% AFUE condensing gas furnace. Its longer 23" length spans between the collector box, trap, and drain termination in this furnace's condensate system, carrying acidic moisture safely out of the cabinet. Hardened, cracked, or clogged tubing is a frequent cause of water leaks and pressure-switch lockouts, so a fresh OEM hose keeps drainage flowing and the furnace running.
The OEM 20201902 arrives pre-cut to the correct 23" length with the right inside diameter for the GMV90905CXBA barbed fittings, so it installs without measuring or adapters. Generic bulk hose requires trimming and can be the wrong bore, risking leaks or restricted flow. For an exact factory fit, choose OEM.
Easy (1/5) — Around 10 minutes. Power down the furnace, remove the old hose from both barbed connections, push the new 23" hose fully onto each fitting, and check for a snug, kink-free seal. No tools required.