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The Goodman 0128F00006 is a genuine OEM chimney transition bottom — the flue/vent adapter that channels combustion gases from the furnace's induced-draft outlet into the vent connector. It is designed for the Amana/Goodman AMH81405DXCE furnace and compatible AMH8 models, matching the factory flange pattern and vent diameter so exhaust flows correctly and safely.
Vent transitions must preserve the exact cross-section and geometry Goodman engineered for proper draft and pressure-switch operation. The genuine OEM 0128F00006 bolts up cleanly and seals to the factory gasket, preventing flue-gas leakage. Generic or fabricated adapters risk poor draft, pressure-switch faults, and combustion-product spillage — a serious safety concern. Use OEM.
Moderate (3/5). Plan for 20–40 minutes. Shut off power and gas, disconnect the vent connector, remove the fasteners and old transition, then install the new part with a fresh gasket/sealant where specified. After reassembly, verify the pressure switch closes and check for spillage with a combustion analyzer or draft test. Because this is on the flue path, confirm a proper seal before returning the unit to service.
Ships new and genuine. Message us your full model and serial number and we'll confirm this transition matches your furnace.