Staff Answer
Sep 27, 2026 - 06:30 PM
The 628979 optical board for the N611 is discontinued, and so is the 637775 kit that replaced it. With a newer serial like yours, if the front board has failed, the fridge would need to be replaced. The Norcold N7X is the current replacement, and it fits the same cutout.
If you have any questions, just reach out at info@rvfridgeguys.com or call us at 800-712-8822. You can find everything we carry at www.rvfridgeguys.com.
