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The Goodman 20214203 is a factory-original condensate drain angle (elbow) fitting for the GCH90904CXAB high-efficiency condensing gas furnace and compatible Goodman/Amana models. This molded angle redirects the condensate drain line around the furnace cabinet, connecting drain hose sections to the trap while maintaining a proper downhill slope. A cracked or clogged angle fitting can restrict drainage and trigger pressure-switch lockouts, so an exact-fit replacement keeps the condensate path sealed and flowing.
The OEM Goodman 20214203 matches the factory angle and barb/fitting diameters exactly, so the hoses seat tight without adapters. A generic equivalent elbow is a lower-cost option for general repairs but may need different clamps or bushings to match the original connections.
Very Easy (1/5). Press-fit/clamped fitting that installs in about 10 minutes. Power the furnace off, disconnect the drain hoses, seat the new angle in the same orientation, re-clamp, and verify the condensate drains freely with no leaks after restart.