This economical Balboa spa control system is a great option for retro-fitting older hot tubs if the original equipment has died.  It uses Balboa's patented M7 technology which eliminates pressure switches or flow switches. The equipment connects to the control system using AMP plugs.

It manages the following equipment:

• Either a 24-hour circulation pump or a two-speed pump, AND...
• Either a massage pump or a blower
• Built in 3kW heater with Incoloy 800 element
• Ozonator (220V)
• Underwater lighting (12V, 10W)

Compatible with the following keypads
VL200, VL240, VL260, VL402, VL403, VL404, VL406T, VL406U

Dimensions
Height: 268 mm
Width of box: 311 mm (box only); 381 mm (heater, excluding unions)
Depth: 112 mm
Plumbing connections to heater: 2" (connections and o-rings included)

Warranty
2-year tubs.fr guarantee

Balboa Part numbers
Complete GS501Z system : 54511
Incoloy 800 3kW heater: 58118