Balboa VS500Z Equipment Control System Circuit Board, 54369-01. Identical to: 53552, 53795, 54291-02, 54369, 54369-03, 55032, 59005, GVS500R1A, GVS500R2B, KEYS100DR1B. Balboa circuit boards are marked with a "Chip Number" that is located on a white label placed on the logic chip near the center of the board. It is imperative that this number matches VS500R1A, VS500R2B, KEYS100DR1B for proper circuit board match. Just because boards may look similar the programming may not allow it to work properly in all applications.
Compatible topside is: Balboa Water Group Duplex Mini Oval, LCD 3 Button Part # 52487
Runs 1 Pump, Temperature and Light
Phone Plug Spa side Connector