Staff Answer
Sep 27, 2026 - 06:34 PM
Yes, Norcold changed the boards partway through production. N822s with serials above 9126825 use the 628661 power board with the matching 628974 optical board. Serials below that took the 637779 kit, which is discontinued. Send us your serial number and we'll confirm what you have.
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.
