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The Goodman M0570808 Button Plug is a genuine OEM snap-in plug that seals unused knockout holes on the cabinet of the AMVM971205DNBA modulating variable-speed gas furnace. Keeping these openings sealed maintains cabinet static pressure and prevents dust, pests, and drafts from reaching the blower and control compartments.
OEM button plugs match the furnace's exact knockout diameter for a secure snap that won't pop loose during blower operation. Generic plugs frequently sit too loose or too tight; the factory part installs clean and stays sealed.
Very Easy (1/5) — Push into the knockout until it snaps flush. No tools needed. About 1 minute.