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The Goodman 20214203 drain angle is the OEM elbow fitting that directs condensate flow inside the GMV91155DXBA high-efficiency furnace and compatible Goodman/Amana 90%+ AFUE units. It provides the precise turn between the collector box and drain hose so water clears the cabinet cleanly instead of pooling or backing up into the inducer.
The genuine angle matches the factory port diameters and barb profile, sealing tightly against the drain hose without adapters. Off-brand elbows rarely share the exact angle or fitment and can leak at the joints. For a drip-free drain path, the OEM fitting is the reliable choice.
Easy (1/5). Under 15 minutes. Power down the furnace, disconnect the hoses on each side of the old angle, press the new fitting into place, and reattach the hoses with their clips. Test a heating cycle and inspect the joints for leaks.