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The Goodman 20171701 Condensate Drain Trap is the genuine OEM trap assembly for GMV951155DXBB 96% AFUE condensing gas furnaces. High-efficiency furnaces produce acidic condensate as flue gases cool, and this trap channels that water away while maintaining a sealed pressure barrier so combustion draft is not disrupted. A cracked, clogged, or algae-fouled drain trap leads to water pooling in the burner box, pressure-switch faults, and no-heat lockouts — making a clean OEM trap essential for reliable operation.
This OEM trap matches the exact port spacing, internal water-seal depth, and mounting geometry of the original. Generic universal traps rarely align with the factory drain routing and can leak or disrupt the pressure seal, triggering false pressure-switch trips. For a leak-free, fault-free drain path, the OEM part is the safe choice.
Moderate (3/5). Requires draining the old trap, disconnecting condensate hoses, and reseating the new trap without leaks — roughly 30–45 minutes. Have a shop towel and a small bucket ready, and prime the trap with water before restarting.