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Balboa GS510SZ spa control system.
It uses Balboa's patented M7 technology which eliminates pressure switches or flow switches and uses Balboa temperature sensors.
It has a built-in 3 kW heater.
It manages the following equipment:
Pump 1 single or two-speed
Pump 2 single-speed
Circulation pump
1 blower
1 3 kW heater
1 ozonator
1 underwater lighting
Dimensions
Height: 268 mm
Width: 311 mm (box only, excluding the heater), 381 mm (heater without unions)
Depth: 112 mm
Plumbing connections to heater: 2-inch (connections and o-rings included)