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The Goodman 0128F00006 Chimney Transition Bottom is a genuine OEM venting component for the ADSH801005CXAB gas furnace and compatible Goodman/Amana models. This sheet-metal transition piece connects the furnace flue collar to the vent/chimney pipe, channeling combustion byproducts safely out of the home. A correct-fitting transition is essential for proper draft and a leak-free flue path.
This genuine OEM Goodman part (0128F00006) is stamped to the exact dimensions of your furnace's flue collar and cabinet opening. Generic transitions rarely match the factory geometry, leading to gaps, poor draft, and potential flue-gas leakage. For a component that vents carbon monoxide, an exact OEM fit is critical.
Easy to Moderate — Secured with sheet-metal screws and sealed at the joints. Ensure all seams are tight and the draft is verified after installation. Because improper venting can allow carbon monoxide into the home, we recommend a licensed HVAC technician confirm proper draft.
Never operate a furnace with a compromised flue. Test draft and CO after any venting repair.