Balboa GS501SZ Control System.

System Parameters - (Click for the GS datasheet highlights control panel alternatives)

Plastic box enclosure:
Blower, one speed (if no pump 2)
Pump 1  - 2 speed (one speed with circ)
Pump 2 – one speed if no blower
Circ pump, 24hr operation with 1.5 degree centigrade safety shut off
Include 3KW Heater with M7 technology* (15" assembly with 2" diameter.)
Spa light10V 12W – on/off
Ozone read
Audio visual device power output.

*M7 technology means no sensors and flow switches connecting  to the spa as all controlling is undertook inside the control box by 2 sensors. Click for M7 system reliability Click for M7 Technology

The difference between this and the GS501Z system is this system can only run with a variety of panels from the Serial Std range, Click for a Balboa manual

Please always ring us to confirm configuration settings and discuss existing touch pads as they may not be compatible. This box uses plastic amp plugs (not supplied - click here) to connect to the circuit board, from all internal components i.e. pumps, ozone & blowers.