Made by Balboa
Balboa Replacement: 55857 - GS523DZ
This is a brand new PCB (Printed Circuit Board) from Balboa and should only be used to replace a faulty board of the same type.
This PCB can be used for many combinations of components, but it is best to stick to the specific that it is designed for - see list below.
The 55857 PCB's will only fit a balboa plastic control box.
Easy to Fit.
3 x pumps First pump 2 speed and second / third 1 speed only
1 x Circ Pump (Optional)
1 x Air Blower
2 x M7 Sensors (sold Separate)
Light 12v or 230v
Compatible Panels: VL801D or VL802D