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The genuine OEM Goodman 20214203 condensate drain angle is the molded elbow fitting that directs condensate flow inside the GMH950904CXAA high-efficiency gas furnace. This small but critical part connects the collector/drain hose to the trap assembly at the correct angle, preventing pooling and back-up that can trip the pressure switch or leak into the cabinet. Over time these fittings can crack, warp, or become brittle from constant exposure to acidic condensate — swapping in the OEM angle restores a clean, leak-free drain path.
OEM vs. Generic: Off-brand elbow fittings rarely match the exact bore, barb size, and angle Goodman engineered for this cabinet, which can cause slow leaks or improper trap fill. The OEM 20214203 is a drop-in match that seals correctly the first time and keeps the drain system within spec.
Install Difficulty: Easy (1/5). Cut power, pull the drain hoses off each side of the fitting, insert the new angle, and reseat the hoses. No sealant or tools typically needed — about 10 minutes.