Norcold Optical Display Board Fits 1210 Models. Replace it with Norcold 629113 Optical Display Board in black. This Norcold part is compatible with all Norcold 1210 refrigerator models regardless of the unit's serial number. Refer to manufacturer recommendations to ensure proper fit and usage. Features of Norcold 629113 Optical Display Board Fits 1210 Models Compatible with all Norcold N611 and N811 refrigerator models that have a serial number below 9056421 Durable black-wrapped plastic construction Refer to manufacturer recommendations to ensure proper fit and usage Quick and easy installation Package Contents: Norcold 629113 Optical Display Board Fits 1210 Models Norcold 629113: Optical Display Board Fits 1210 Models