Board: Balboa EL2000 Mach 3: #55804-01

Chip # CL2007UR1A

replaces #CL2000U, DIP Switches are different.
Resort Models: Switchbank A #'s 3,5, & 6 up, Switchbank B #2 up
Beachcraft Models: Switchbank A #'s 3 & 6 up, Switchbank B all down

Before ordering be sure to measure your current item height and width or part number compare to ensure you're buying the correct one. 

******PARTS, BOARDS, PACKS, PUMPS, ACCESSORIES, OR CHEMICALS CANNOT BE RETURNED OR REFUNDED - 1 YEAR WARRANTY ON ALL PARTS AND ACCESSORIES*****