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The OEM Goodman 0128F00006 Chimney Transition Bottom is the factory flue-vent transition piece for the Amana/Goodman AMVC80804CXBD 80,000 BTU gas furnace. This sheet-metal component connects the furnace's induced-draft outlet to the vent pipe, forming a properly sized transition that maintains correct exhaust flow and draft. Its exact geometry ensures the combustion by-products vent efficiently and safely, without leaks or turbulence that could interfere with the pressure switch.
Venting components must match the furnace's outlet size and draft design precisely. A generic or field-fabricated transition can create leaks, improper draft, or pressure-switch faults. The genuine Goodman transition guarantees correct fit and a safe seal on the exhaust path.
Easy to Moderate. Turn off the furnace, remove the sheet-metal screws securing the old transition, seat the new piece, and reseal. Usually 15–20 minutes. Verify a tight, gap-free seal and confirm proper draft after reassembly.