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The Goodman 0128F00006 Chimney Transition (Bottom) is a genuine OEM flue/vent component for the Amana/Goodman AMEH800805CXAB gas furnace. This transition piece channels combustion byproducts from the heat exchanger collector into the venting system, maintaining the proper draft path and a sealed connection between the furnace and the chimney or vent pipe. A cracked, rusted, or mismatched transition can leak flue gases and disrupt draft.
Flue transitions must match the furnace's collector box and vent outlet dimensions precisely to seal correctly. The genuine OEM 0128F00006 guarantees factory fit and flange alignment; universal parts often require modification and risk leaks. For any flue-gas-carrying component, OEM fit is the safe standard.
Moderate — technician recommended. Requires shutting down the furnace, disconnecting the vent connector, and removing/resealing the transition with the correct high-temp fasteners and gasket. Because this handles combustion exhaust, a post-install combustion and draft check (and CO test) is essential before returning the unit to service.