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The Goodman 20171701 is a genuine OEM condensate drain trap assembly built for the ACVC950915DXAA high-efficiency condensing gas furnace and other compatible Goodman and Amana models. In a 95%+ AFUE furnace, combustion produces acidic condensate that must drain away reliably. The drain trap maintains a water seal that allows condensate to exit while preventing flue gases from escaping into the cabinet — a function essential to both safe operation and proper pressure-switch performance.
This genuine OEM drain trap matches the factory port configuration, hose connections, and internal geometry that this furnace's drainage and pressure-switch system depend on. Generic or universal traps frequently differ in port layout, leading to leaks, blocked drainage, or pressure-switch faults. OEM ensures a leak-free, correctly sealed fit.
Moderate — requires removing and reconnecting condensate and pressure-switch hoses, then priming the trap with water to establish the seal. Turn off power before servicing. Inspect all hoses for cracks while the trap is removed, and confirm free-flowing drainage after reassembly to avoid water backup and lockout faults.