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The Goodman 0128F00006 Chimney Transition Bottom is a genuine OEM venting component engineered for the ACVC80603BXBD 80% AFUE gas furnace. It forms the lower transition between the furnace flue collar and the vent connector, maintaining proper draft and a sealed path for combustion byproducts. A warped, rusted, or cracked transition is a common cause of vent leaks and nuisance pressure-switch trips.
Our OEM Goodman transition is dimensionally identical to the original, ensuring a leak-free seal at the flue collar. Universal generic transitions often require field cutting or extra sealant and can alter draft characteristics. For a safe, code-compliant vent connection, the OEM part is the recommended choice.
Moderate. Requires shutting off gas and power, disconnecting the vent connector, and resealing the joint. Approximately 30–45 minutes. We recommend a qualified HVAC technician verify proper draft after installation.