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The 0128F00006 is a genuine OEM Goodman chimney transition bottom (flue transition/collar) for the AMH80603ANBD gas furnace and compatible Goodman/Amana models. This sheet-metal transition connects the furnace's induced-draft outlet to the vent pipe, providing a correctly sized, sealed path for combustion gases. A rusted, warped, or ill-fitting transition can leak flue products or disrupt draft, so using the exact OEM part keeps venting safe and to spec.
OEM 0128F00006 transitions are formed to the exact outlet dimensions and hole pattern of this furnace cabinet, ensuring a leak-free, properly drafted connection. Generic or fabricated substitutes may not seal correctly, risking flue-gas spillage. For venting integrity, OEM is recommended.
Easy (2/5) — Fastens with sheet-metal screws and is sealed at joints per code. Ensure vent connections are gas-tight and pitched correctly. Shut off power and gas first. Typically 20–30 minutes.