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The Goodman 0161F00046 Condensate Drain Trap is a genuine OEM part for AMES920403ANAA high-efficiency gas furnaces and compatible Goodman/Amana models. The drain trap collects and channels acidic condensate away from the secondary heat exchanger while maintaining the water seal that keeps flue gases from escaping the drainage path. A cracked, clogged, or missing trap frequently triggers pressure-switch lockouts and intermittent no-heat calls.
The genuine OEM trap is molded to the exact port spacing and hose diameters of your furnace's drainage system, ensuring a leak-free fit and proper pressure-switch signaling. Generic traps can force awkward hose routing and slow leaks that corrode nearby components. OEM is the clean, reliable fit.
Easy to Moderate. Requires disconnecting and reconnecting condensate hoses and clearing any blockage. Power down the furnace and place towels to catch residual water. Prime the trap with water and verify all hose clamps are secure before restarting.