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The Goodman M0570808 Button Plug is a genuine OEM snap-in plug used to seal unused knockouts, access holes, and openings in the AMES961005CNAA gas furnace cabinet and compatible Goodman/Amana models. Sealing these openings keeps the cabinet airtight, blocks dust and pests, and preserves the airflow and combustion-air integrity the furnace was engineered around.
The OEM M0570808 matches the exact knockout diameter of your furnace for a secure snap fit that won't back out. Generic hole plugs in an approximate size may fit loosely or pop free. For a lasting, flush seal, choose the OEM plug.
Very Easy (1 of 5). Press the plug into the open knockout until it snaps flush — under 2 minutes, no tools needed. Ensure the furnace is powered off before opening any access panel.