Alternate board that can be used (Click Here)
Cal Spas Circuit Board PN: ELE09907280 Chip Number: CS5100R1A
There is an alternate cheaper board that can be used (Click Here), when using it follow the instruction below.
When installing the alternate board: Make sure that you move all the white wires on the new board in the same location as the old board. Do not add any wires to the board or move any other wires Make sure all Dip Switches are down