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Genuine OEM condensate drain trap (part 20171701) built as a direct-fit replacement for the AMV91155DXBA high-efficiency condensing furnace and other compatible Goodman and Amana models. The trap collects acidic condensate from the secondary heat exchanger and maintains a water seal that prevents flue gases from escaping while allowing drainage. Cracked, clogged, or algae-fouled traps cause water leaks, pressure-switch faults, and lockouts.
The OEM trap matches the port locations, hose diameters, and internal geometry your furnace requires, ensuring a leak-free water seal. Generic universal traps can fit poorly and disrupt drainage or pressure sensing. OEM is the safest choice for condensing units.
Easy–Moderate. Disconnect the inlet/outlet hoses and mounting clip, transfer to the new trap, and prime with water. Typical time 20–40 minutes. Power off before servicing.