Balboa GS501SZ 54515 3kw Control Box.
This GS501SZ (not Z) Balboa control box allows you to control a spa that either has a two pump or one pump and air blower system.
This control box is only compatible with Balboa Serial “Standard Topside” Control Panels.
Spec:
1 Pump – One Speed or Two Speed (Circ Pump).
2 Pump – One Speed or Air Blower.
Circ Pump – 24hr Operation (or low speed on Pump 1).
Air Blower – ON/OFF (If no Pump2).
Ozone – Yes.
Heater – 3Kw M7.
Light – 12 Volt.
M7 Sensors.