FINDING YOUR ELEMENT PART NUMBER NOTE: The manufacture's part number is circled in GREEN and is the number you need to match to your part to ensure you get the correct part. The numbers marked with a RED "X" are board numbers used in the manufacturing process and matching these numbers will not guarantee a compatible part. We have not put a red "X" on all board numbers present on the parts pictured. Element Main Boards Element Main Boards can be identified using the following part number patterns. (# = a number, X = a letter) Element Power Supplies Element Power Supplies can be identified using the following part number patterns. (# = a number, X = a letter) Element T-Con Boards Element T-Con Boards can be identified using the following part number patterns. (# = a number, X = a letter)