54638 Balboa ® Circuit Board, VS504SZ (replaces MVS504SZ)

54638 Balboa ® Circuit Board, VS504SZ (replaces MVS504SZ)  Balboa ® Circuit Board is compatible with the Balboa VL700S and VL701S Topside Panels (with correct Button Layout), VX20 and VX40S Aux Topside Panels.  Features: Chip: VS504SZR1 Product specifications: Control: Pump 1: 2-Speed, Pump 2: 1-Speed, Ozone, A/V, Cable: Phone Style Size:  7.4" x 13" x 3.25"   Circuit boards are not "plug and play - they will require correct component voltage set-up and dipswitch configuration. Please follow the wiring schematics on the back side of the spa pack cover. Do not buy a circuit board based on appearance, as many boards look the same and manufacturers can change board appearance. Refer to this tech tip before buying a replacement board What to Look for When Buying a Circuit Board €“ Spa Parts Experts Compatible replacement option for: 55372, 55370-01 (Control System*), 33-0612-08CB (Artesian*), 54637-01  (System model VSP-VS504SZ-DCAH), 55636 (CS504SZ System*), 55637 (CS504SZER1X*),