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The Goodman 0128F00006 is a genuine OEM chimney transition bottom for the ACVC80803BXCA 80% AFUE gas furnace and compatible Goodman/Amana models. This sheet-metal flue/vent component channels combustion gases from the furnace's induced-draft outlet into the vent connector, maintaining a proper sealed draft path. A corroded, missing, or poorly fitted transition allows flue gas leakage and disrupts venting — a safety concern that can lead to carbon monoxide spillage.
The OEM Goodman transition matches the exact dimensions and flange pattern of your furnace cabinet for a leak-free seal. Our generic equivalent offers a budget-friendly fit for out-of-warranty repairs. Both support safe, code-compliant venting when installed correctly.
Moderate (2/5). Disconnect power, remove the existing transition, and seat the new part with the original screws and high-temp sealant. Confirm a tight seal and verify proper draft after reassembly. When in doubt about venting, consult a licensed technician.