Staff Answer
Sep 27, 2026 - 06:30 PM
With serial 1177411, your 1200LRIM is in the 832172–8981138 range, so the 633205 kit isn't the right one. It's for much older serials and it's discontinued. For the rear power board, use the Norcold 621271001 power board or the Dinosaur 6212XX.
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.
