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The Goodman 20214203 is a genuine OEM condensate drain angle fitting for the AMV91155DXBC high-efficiency gas furnace. This molded elbow redirects condensate flow around tight cabinet routing and connects the collector-box outlet to the drain hose and trap assembly. Because it sits directly in the acidic condensate path, the original fitting can craze, crack, or clog over time — a failed drain angle causes water pooling, overflow, and pressure-switch trips that shut the furnace down.
Genuine Goodman/Amana OEM ensures the exact angle geometry and barb/slip dimensions the furnace expects. Generic elbows often differ in port size or bend radius, forcing awkward hose routing that kinks and leaks. Choosing OEM protects against callbacks and keeps the factory-designed drainage path intact.
Straightforward for the average DIYer. Turn off power to the furnace, disconnect the old fitting from the hoses, press the new 20214203 angle into place, and reconnect the drain lines. No adhesives or special tools needed — typically a 10–15 minute job.