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The Goodman M0570808 Button Plug is a genuine OEM snap-in plug for the Goodman/Amana AMEC961004CNAD gas furnace. It fills unused knockouts and access holes in the cabinet or blower deck, keeping the furnace sealed against air leaks and blocking dust, insects, and debris from entering the equipment.
The OEM plug matches the exact knockout diameter, so it snaps in and stays sealed. Generic plugs are often the wrong size and pop out over time, defeating the purpose. For proper cabinet sealing and airflow integrity, use the genuine part.
Easy (DIY-friendly). Push the plug into the open hole until it snaps flush — no tools required. Always shut off power before removing furnace panels.
Verify the knockout diameter if using on a different unit. Reach us at info@nationalhvacparts.com with fitment questions.