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The genuine OEM Goodman M0570808 button plug is a snap-in cabinet plug used to seal unused knockout holes and access openings on Goodman and Amana gas furnaces, including the ACSS961005CNAA. Keeping these openings sealed maintains proper combustion-air draw and cabinet integrity, which is essential for safe, efficient furnace operation.
The genuine OEM plug is molded to the exact knockout diameter for a flush, rattle-free fit. Generic universal plugs may fit loosely or require trimming. For a guaranteed seal on factory openings, OEM is recommended.
Easy — Tool-free push-in installation; no wiring or disassembly required. Power down the furnace, press the plug into the open knockout until it seats.