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The Goodman/Amana 20171701 is a genuine OEM condensate drain trap for the AMV90453BXBA high-efficiency (90%+) gas furnace. In a condensing furnace, the secondary heat exchanger produces acidic condensate that must drain away safely. The trap holds a water seal that lets condensate flow out while blocking flue gases from escaping and preventing air from being drawn back into the drain system. A cracked, clogged, or missing trap can cause pressure-switch faults, water leaks, and shutdowns.
The genuine 20171701 matches the factory port sizes, orientation, and internal trap geometry so it seals and drains correctly. Generic traps may not fit the furnace's drain connections or maintain the proper water seal, leading to nuisance pressure-switch trips or leaks. For reliable condensate handling, choose the OEM part.
Easy (2/5). Power down the furnace, disconnect the condensate tubing, and swap the trap in the same orientation. Prime the trap with water before startup and check for leaks. Clean or replace the trap during annual maintenance to prevent clogs.
Fits model: AMV90453BXBA. Confirm the part number and drain configuration before ordering.