Norcold 636388 Optical Display Board – Fits N611V/N811V Models

Norcold 636388 Optical Display Board – Fits N611V/N811V Models Norcold 636388 is the upgraded Norcold Optical Display Board for the N611V and N811V with a Norcold refrigerator serial number above 17781054 (post July 2011 manufacture date). Your Norcold model number must have the “V” in order for this to fit your refrigerator. This Control board gives you more controls features. If your serial number is below 17781054, you cannot upgrade the optical board and you will need the following board replacement: Norcold Optical Board 636105