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The Goodman 20214203 Condensate Drain Angle is a genuine OEM component engineered for the GKS90904CXAG high-efficiency gas furnace. This drain angle routes condensate away from the heat exchanger and inducer assembly, protecting internal components from moisture damage and corrosion. On 90%+ AFUE condensing furnaces, proper condensate drainage is critical — a cracked or clogged drain angle can trigger pressure switch faults and nuisance lockouts.
This is a genuine Goodman OEM part, molded to the exact tolerances of your furnace's drain system. Universal or generic drain fittings often require adapters and can leak at the seams, leading to water damage and repeat service calls. The OEM angle seats correctly the first time with the original gaskets and clamps.
Easy (1/5). Replacement typically takes 10–15 minutes with basic hand tools. Power down the furnace, disconnect the condensate tubing, remove the old drain angle, seat the new part, and reconnect the tubing. Always verify drainage flow before returning the unit to service. If unsure, consult a licensed HVAC technician.