Norcold Power Supply Circuit Board/ Optical Board 691449/ 690863 (fits the N3150/ N3104/ N3141) This is the board kit (both power board and optical board) for the N3150 and N3104 with a serial number between the following ranges: E001N - E366N E001P - E365P E001R - E365R E001S - E058S
Norcold Power Supply Circuit Board/ Optical Board 691449/ 690863 (fits the N3150/ N3104/ N3141) This is the board kit (both power board and optical board) for the N3150 and N3104 with a serial number between the following ranges: E001N - E366N E001P - E365P E001R - E365R E001S - E058S