Description
Balboa Circuit Board VS501ZR2B Spa Controller, 54357-03
This board uses M7 technology so there is no pressure switch needed.. A 2 Speed Pump (120 or 240 volts). A 1 Speed Pump or A Blower (120 or 240 volts). A Circulation Pump (120 or 240 volts.. If used a minimum of 30gpm is required for the heater). An Auxiliary Accessory. An ozone (Voltage must match pump 1). A Light (12 volts)