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The Goodman 20171701 Drain Trap is a genuine OEM condensate trap for the WGFD295070V4CAA high-efficiency gas furnace. It maintains the water seal that lets condensate drain away while preventing flue gases from escaping through the drain line. A cracked, clogged, or algae-fouled trap is a leading cause of pressure-switch lockouts, water leaks around the furnace base, and error codes on condensing furnaces.
This genuine Goodman OEM trap matches the exact port spacing, inlet/outlet sizing, and internal geometry of the WGFD295070V4CAA drain system. Generic traps often misalign with the collector box or hose runs, causing leaks. OEM ensures a clean, sealed fit the first time.
Easy (1 of 5). Disconnect the drain hoses, swap the trap, and reconnect — typically a 15-minute job. Flush the new trap and confirm a proper water seal before restarting. Have towels ready for residual condensate.