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The Goodman 0128F00006 Chimney Transition Bottom is a genuine OEM venting component for the AMH80704BXCB gas furnace. This transition piece adapts the furnace's flue outlet to the vent connector, directing combustion byproducts safely toward the chimney or vent system. A correctly fitted transition maintains proper draft and a sealed flue path, which is essential for safe operation and preventing flue-gas spillage.
The OEM 0128F00006 is stamped to the precise dimensions of the AMH80704BXCB flue opening, ensuring a leak-free, properly aligned fit. Generic sheet-metal adapters often require modification and may not seal correctly, risking improper venting. For a flue-gas component, exact fit matters for safety.
Moderate (20–30 minutes). Turn off power and gas. Detach the existing vent connector and transition, fit the replacement, and re-seal all joints per code before restoring the vent connection. Because this component handles combustion gases, verify proper draft and check for spillage after install.