Balboa GS520SZ 54752 3kw Control Box.
This GS520SZ Balboa control box is used to control a spa that has two pumps both with two speeds and air blower system.
This control box is use’s Balboa Deluxe VL701S & VL700 Topside Control Panels.
1 Pump – One Speed or Two Speed (Circ Pump).
2 Pump – One Speed or Two Speed.
Circ Pump – 24hr Operation (or low speed on Pump 1).
Air Blower – One Speed
Ozone – Yes.
Heater – 3Kw M7
Light – Yes
TV / Radio – Yes