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The Goodman 0161F00018 is a genuine OEM flue collector box built as a direct-fit replacement for the Amana/Goodman AMSS920804CNAA gas furnace. The collector box gathers combustion by-products exiting the heat exchanger and channels them to the inducer and venting system, while its condensate ports route acidic moisture to the drain in this high-efficiency design.
The OEM 0161F00018 is molded to seal precisely against the heat exchanger and inducer with the correct port geometry. Because the collector box handles flue gases and condensate, a leak risks carbon-monoxide escape and water damage — a true OEM fit is strongly recommended over generic substitutes.
Requires removing the inducer assembly, replacing gaskets, and confirming an airtight seal. Recommended for HVAC technicians. Always disconnect power and gas, and leak-check the assembly before returning the furnace to service.