Balboa electronics have been used in the manufacture of hot tubs for many years and are the main name in the industry.
Balboa BP200G2 Will run : x1 - 2 speed pump x1 - 1 speed pump Ozone and light 3kw heater Works with TP panels.
Balboa BP6013G3 59259 Will run : 3 x jet pumps - 2spd pump with/without circ pump or 1 spd pump with circ pump, 1 x jet pump 2 1 x jet pump 3 1 x blower Ozone and light 3kw heater Works with TP panels.