Staff Answer
Sep 26, 2026 - 09:32 AM
With serial 881019, your N821 is below 9126825, so the 637779 board kit is the right one. It comes with the power and optical boards as a matched set, so they'll work together. It's discontinued, so we're down to limited stock.
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.
