Norcold Refrigerator Control BOARD KIT 637779 (REPLACES 633292) FITS N621/ N821 MODEL

Norcold Refrigerator Control BOARD KIT 637779 (REPLACES 633292) FITS N621/ N821 MODEL Norcold Refrigerator Control Board Kit / Controls Adapters Included 637779 (Old 633292) Models N82X/ N62X Every Norcold refrigerator has a specific Control board and optical board. They are completely Married with eachother because they need to communicate back and forth. This kit will work on any N82X/N62X Norcold model refrigerator that has an obsolete optical board assembly. This is determined by the serial number located on a decal inside the refrigerator box. If your serial number is below 9126825, this is the kit you need. If your serial number is above 9126825, you need: Norcold Optical Board 628974 Included in the kit: Optical Board w/ wire adapter Power Board w/ wire adapter Lamp/thermistor wire (the jumper wire that goes across LI IN and LI OUT) Installation instructions Works with the following models: N621/N6213/N621F/N621SS N622 WINNEBAGO N623 N624 N820 N821/N821BK/N821BKF/N821F/N821IM/N821V N822/N822F N823 N824