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The 0128F00006 is a genuine Goodman/Amana chimney transition bottom engineered as a direct-fit replacement for the AMS80604BXAB 80% AFUE gas furnace and compatible models. This sheet-metal transition seats the flue collar to the furnace vent outlet, maintaining a proper draft path so combustion byproducts are carried safely up the vent system. A damaged or corroded transition can cause draft problems, condensation, and spillage, so replacing it with the correct OEM part restores safe, code-compliant venting.
Aftermarket transitions often vary in gauge and dimensions, leading to gaps and draft leaks. This genuine OEM Goodman transition is stamped to factory tolerances for a leak-tight fit the first time — no shimming or field modification required.
Easy (1/5). A basic swap for an HVAC technician; requires shutting off gas/power, removing the vent connector, and reseating the transition. Always verify draft after service.