The Balboa GS501SZ Control Box 3.0kW is compatible with Systems fitted with topside controls from the serial standard VL range such as the VL600S, VL700S and VL701S, also suitable for upgrades. Northwind Hot Tubs, Leisure Bay and more. Ideal replacement for some versions of the Master Spa MS1500E on Down East Spas with the following configuration Jets 1, Jets 2, Light, Warm, Cool, Mode, Jets 3. In some cases with the other version of this topside which has the temperature controls at the far right of the panel, you will need to replace the topside sticker also.
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.
Pump 1: Single or dual speed pump + circulation pump if required.
Pump 2: N/A
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 (only box)
Width: 120 mm
Height: 270 mm