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The Goodman 20171701 is a genuine OEM condensate drain trap for the GMV951155DXBC 96% AFUE two-stage variable-speed gas furnace. High-efficiency condensing furnaces produce acidic condensate that must drain freely while the trap maintains a water seal to block combustion gases and preserve correct pressure-switch operation. This factory trap is molded to route condensate from the collector box and secondary heat exchanger to the drain line. A cracked, clogged, or algae-fouled trap is a leading cause of water leaks and pressure-switch lockout faults.
The OEM Goodman 20171701 matches the factory port layout and water-seal geometry exactly, ensuring proper drainage and combustion-gas isolation. Generic or universal traps often require adapters and can seat incorrectly, causing leaks or nuisance lockouts. For correct fit and function, genuine OEM is recommended.
Moderate (2/5). Disconnect the drain hoses, remove the old trap, install and prime the new one with water, then verify free drainage—about 20–30 minutes. Shut off power before servicing.
Compatible with Goodman GMV951155DXBC. Genuine OEM replacement.