The Balboa GS520DZ Control Box is compatible with Systems fitted with topside controls from the deluxe VL range such as the VL801D, also suitable for upgrades. The M7 technology means you do not need to have sensors and flow switches going back into the tub as everything is done inside the control box by 2 sensors. This control box is an ideal replacement for a system that has 2 main pumps both dual speed.
Pump 1: Single or dual speed pump + circulation pump if required.
Pump 2: Single speed or dual speed
Air Blower: x 1 (optional)
Heater: x 1 (3KW)
Ozone: x 1
Light: x1, 12 volt
Radio, TV/AV: Point available
Length: 500 mm (inc heater) 320 mm (box only)
Width: 120 mm
Height: 270 mm