Balboa VS520SZ Control System is a highly versatile control system that enables users to customize the features. Friendly interface and multiple programming options, the control system can be tailored to meet a variety of needs.

This Control System offers superior reliability and functionality, making it an ideal choice for spas. With features such as energy-saving settings, freeze protection, and multiple pump control. With its easy-to-use design and superior reliability, the Balboa VS520SZ Control System is an excellent choice for any spa or hot tub. 

• VS501Z controller is equipped with M7® technology
• Stainless Steel Heater
• US & Canadian safety approvals
• Pumps Voltage: 120V or 240V 50-60Hz
• Heater: 4.0Kw
• Software version 39
• M7® flow and temperature sensors
• Heater: 1 - 5.5 Kw Stainless Steel
• Power requirements: 240 VAC, 60Hz, 40A, Class A GFCI-Protected Service, (Circuit rating=50A max)
• Number Of Appliances - 3
• Model - VS520SZ
• Supply Voltage - 230v - 4 Wire
• Heater Type - Fixed - Bottom
• Heater Wattage - 4.0kW
• Topside Included - None
• Circ Pump Ready - Yes 115v/230v
• Auxiliary Topside Ready - Yes
• Fiber Optic - No
• Accessory Ready - Yes
• Wi-Fi Compatible  - No

Fitment Guidelines: 

VS520SZ, 4.0kW, 2-Pumps

Additional Info:

Replacement for 56007