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The Goodman M0570808 Button Plug is a genuine OEM replacement for the VMSS960804CNAA gas furnace and related Goodman/Amana models. This snap-in plug seals unused knockout holes and access openings in the furnace cabinet or sheet-metal panels, blocking air leaks, dust, and pests.
An open or missing knockout can disrupt the furnace's sealed airflow path and allow debris into the cabinet. The correct OEM button plug restores a flush, secure closure that matches the factory panel.
The genuine Goodman button plug is matched to the panel hole diameter and gauge for a positive snap-lock fit. Generic plugs may be undersized and fall out, or oversized and refuse to seat. For a clean, retained seal, choose the OEM part.
Very Easy (1/5). No tools required. Power down the furnace, align the plug with the open hole, and press until it snaps flush. Under a minute to install.
Unsure of the hole size or fit? Email your model and serial number to info@nationalhvacparts.com and we will verify before you order.