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The Goodman 0128F00006 Chimney Transition Bottom is a genuine OEM venting component for the VMS80604BXAA 80% AFUE gas furnace. This transition piece connects the furnace flue collar to the vent pipe, maintaining the sealed, correctly-sized pathway that carries combustion byproducts safely out of the home. A damaged, corroded, or missing transition can leak flue gases and disrupt proper draft.
The OEM 0128F00006 is stamped to the exact dimensions of the Goodman flue collar for a leak-tight, code-correct fit. Generic sheet-metal transitions rarely match the collar geometry and often require field modification or extra sealant, increasing the risk of a flue leak. For venting integrity, use the genuine OEM part.
Easy (2 of 5). About 15 minutes. Shut off power and gas, disconnect the existing vent connection, remove the old transition, seat the new piece against the flue collar, secure with sheet-metal screws, and seal per code. Verify proper draft after reassembly.
Compatible with the Goodman VMS80604BXAA. Genuine OEM replacement part.