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The Goodman 0128F00006 is a genuine OEM chimney transition bottom designed for the ADVC81005CNBA furnace and compatible Goodman/Amana equipment. This sheet-metal transition adapts the furnace flue collar to the vent/chimney connector, ensuring proper draft and a sealed path for combustion byproducts. A properly fitted transition is critical for safe venting and preventing flue gas spillage into the home.
The OEM transition matches Goodman's exact flue collar dimensions and mounting hole pattern for a tight, code-compliant seal. Generic or field-fabricated transitions risk leaks, improper draft, and failed inspections. The genuine part drops straight in.
Moderate (3/5). Requires disconnecting the vent connector, removing fasteners, and resealing the flue joint per code. Because it involves combustion venting, professional installation is strongly recommended.