Balboa Serial Standard Digital Retro Kit 54000 54001 52518 - Hot Tub & Spa Control System Upgrade for Easy Maintenance & Energy Efficiency

Balboa Circuit Board, Serial Deluxe Std Retro Kit, M2/M3, 52518. Replacement circuit board for the M2 and M3 Serial Standard Digital and Serial Deluxe Digital model. This circuit board will not have misters and other high end features. This board kit includes the 54122 circuit board, reference cards (DCM3D2, DCM3S2, DCM2-3S), two topside overlays, one jumper wire, and wiring diagram (53170-01 M3). This circuit board kit is compatible with the following Balboa Topsides Panels: 51058, 51057, 54128, 54108, 54155, 54156, 51452, 53189, 51247, 53811, 54170. Also compatible with Balboa Sensor Assembly 30337. When selecting your spa circuit board, it's critical that you go by part numbers and not appearances. The part number on a spa circuit board can be found on a white sticker located directly on the circuit board.