Balboa GS501Z 54511 3kw Control Box.

The GS501Z (not SZ) Balboa control box is the ideal option that allows you to control a spa that either has a two pump or one pump and air blower system.

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.
Light – Yes
M7 Sensors.

This Balboa control box use’s Balboa’s Duplex VL series topside controls.