Balboa GS501SZ + VL701S: The Heart of Your Hot Tub

As an experienced hot tub enthusiast and parts supplier, I’m excited to introduce you to the Balboa GS501SZ electronic control pack paired with the VL701S topside control. This powerful combination is designed to breathe new life into your hot tub, offering advanced features and reliable performance.

Product Overview

The Balboa GS501SZ + VL701S is a top-of-the-line electronic control system that serves as the brain of your hot tub. It’s perfect for retrofitting older models or upgrading your current setup to enjoy modern conveniences and energy efficiency.

Key Features

• Versatile Pump Control: Supports one single or dual-speed pump, with an option for an additional circulation pump
• Customizable Experience: Optional air blower for invigorating bubble massage
• Efficient Heating: Equipped with a 3KW heater for optimal water temperature control
• Advanced Sanitization: Ozone-ready for crystal-clear water
• Atmospheric Lighting: 12-volt light connection for creating the perfect ambiance
• Entertainment Options: Includes a point for radio or TV/AV integration

Technical Specifications

Specification	Detail
Power	230VAC, 50Hz, 16A or 32A
Pump Support	1 x Single/Dual Speed + Optional Circulation
Air Blower	1 x Optional
Heater	1 x 3KW
Ozone	1 x Connection
Light	1 x 12V Connection
Radio/TV/AV	Available Point
Heater Connections	2-inch Socket Union Sleeves
Component Control	Amp Cables Plug into PCB

Documentation

• Tech-Sheet
• Tech-Sheet Updated
• VL series
• cutout template

Dimensions and Design

The Balboa GS501SZ is designed for easy installation in a variety of hot tub configurations:

• Total Length: 500 mm (including heater)
• Box Length: 320 mm
• Width: 120 mm
• Height: 270 mm

The VL701S topside control panel measures a compact 187 mm x 83 mm, fitting seamlessly into your hot tub’s design.

User-Friendly Interface

The VL701S topside control puts the power at your fingertips with intuitive buttons for:

• Jets
• Blower
• Mode
• Light
• Temperature Control (Warm and Cool)

Advanced M7 Technology

One of the standout features of this system is the innovative M7 technology. This advancement eliminates the need for sensors and flow switches in the tub itself. Instead, all monitoring and control are handled by two sensors within the control box, simplifying installation and maintenance.

Versatility and Compatibility

Whether you’re looking to upgrade an older hot tub or replace a malfunctioning control system, the Balboa GS501SZ + VL701S is designed to be compatible with a wide range of hot tub models. Its flexible configuration options make it an ideal choice for various setups.

Installation and Setup

While the Balboa GS501SZ + VL701S is designed for straightforward installation, it’s important to note that cables are not included. This allows for customization based on your specific hot tub layout and requirements.

Alternative Part Numbers

Complete GS501Z system: 54515-02
Incoloy 800 3 kW heater: 58118
PCB : 54516-02

Keypad with overlay: 54112CE2, replaces 53189
Keypad without overlay: 54561 or 54112
Volition : S107LV

Enhance Your Hot Tub Experience

By choosing the Balboa GS501SZ + VL701S, you’re not just replacing a part – you’re upgrading your entire hot tub experience. Enjoy precise temperature control, customizable jet and blower settings, and the peace of mind that comes with a reliable, efficient system.

Elevate your relaxation and make your hot tub the oasis you’ve always dreamed of with this advanced control system. It’s more than just a spare part; it’s an investment in your comfort and enjoyment.

 

 

Hot Tub Wiring – Configuring a Balboa BP7 Spa Control 4.0kW Spa Pack

If you are using a basic setup, and by basic I mean a regular dual speed hot tub pump with a single speed blower, out of the box, your Balboa pack is likely to work without any additional configuration. However, if you are not using a separate circulation pump, the chances are you will need to “configure” the pack using the details below.

On the underside of the Spa Pack covers, you will see a circuit diagram that looks something like this.

Firstly, you need to work through the setup table at the bottom on the left hand side and work out which setup number you need. For example, a 2 speed pump and a single speed blower will need setup #12.

Next, you need to change the DIP switch settings to match your setup. Once you have the right combination of DIP switches, using the topside control you should do the following to change the pack’s setup mode to #12.

To go into the low levels follow the following steps please.

1. Turn tub off.
2. DIP switch 1 move to ON.
3. Turn tub on
4. On the top side control, Press “WARM” twice
5. Press “LIGHT”
6. Press “WARM”
7. Then use “WARM” to move down to the low levels until you get on the set up number you need.
8. Turn off tub
9. DIP switch one back to OFF
10. Turn on tub

Getting the right setup and config is important for the pack to function correctly and the buttons on the top side to do what you expect them to.

 

Balboa DIP Switches Explained

Most of the Balboa Spa Packs have a set of DIP switches that can seem a little confusing in the setup. In the most basic form, you are telling the Spa Pack how many pumps or blowers you have connected and how many it should allow to run before it turns off the heater (or let them all run at once). The reason for this is if you are limiting the amount of current the pack can draw. You are also telling the pack wither you need additional cool down times if you are using an gas/propane/ASHP additional heater. This to stop the kettling effect you can get in the heaters.

Check the circuit diagram that is on the inside of your Balboa pack and do not just copy the settings I explain below as they may be in a different order. The “logic” behind them is the same so just check what each of the DIP switches says it does.

Fixed-fuction DIP Switches 

A1 Test Mode (normally Off). 

A2 In “ON” position, add one high-speed pump (or blower) with Heater. (If you have 1 pump and NO blower use this)

A3 In “ON” position, add two high-speed pumps (or 1 HS Pump and Blower) with Heater. (If you have a pump and a blower use this)

A4 In “ON” position, add four high-speed pumps (or 3 HS Pumps and Blower) with Heater. (If you have two or three pumps and a blower use this)

You should only enable one of the A2, A3 or A4. You can use them in combinations, but it is easier just to use one.

A5 In “ON” position, enables Special Amperage Rule B.  In “OFF” position, enables Special Amperage Rule A. 

Special Amperage Rule A No Limitation (if you are not sure, set it to this. Worst case, your electric will trip if you don’t have enough current available)

Special Amperage Rule B 2 High Speed Pump Maximum, in Setups 1 – 9 1 High Speed Pump Maximum, and also Blower turns off with 1 High Speed Pump, in Setups 10 – 18 (avoid this if you can)

A6 Persistent memory reset (Used when the spa is powering up to restore factory settings as determined by software configuration). 

A2, A3, and A4 work in combination to determine the number of high-speed devices and blowers that can run before the heat is disabled. i.e. A2 and A3 in the ON position and A4 in the OFF position will allow the heater to operate with up to 3 high‑speed pumps (or two HS Pumps and Blower) running at the same time. Heat is disabled when the fourth high-speed pump or blower is turned on. 

Note: A2/A3/A4 all off = No heat with any high-speed pump or blower. 

Assignable DIP Switches 

A7 In “ON” position, enables a 5-minute cooldown for some gas heaters (Cooling Time B). In “OFF” position, enables a 1-minute cooldown for electric heaters (Cooling Time A). 

 

Who are Balboa Water Group?

Balboa Water Group is a prominent manufacturer and supplier of innovative spa and hot tub components. With a rich history spanning several decades, Balboa Water Group has established itself as a leading brand in the industry, known for its cutting-edge technology, quality craftsmanship, and exceptional customer service.

Balboa Water Group specializes in designing and manufacturing spa control systems, which serve as the brains behind the operation of hot tubs and spas. These control systems include a control panel, circuit board, and other components that regulate various functions, such as temperature control, water flow, jet activation, and lighting.

One of the key strengths of Balboa Water Group is their dedication to innovation. They continuously strive to develop new and advanced technologies that enhance the spa experience for users. From user-friendly interfaces and touchscreens to wireless connectivity and smartphone apps, Balboa control systems offer convenient and intuitive control over every aspect of the spa.

Balboa Water Group also places a strong emphasis on safety and energy efficiency. Their control systems often feature built-in safety mechanisms, such as high-limit sensors and automatic shutdowns, to protect users from potential hazards. Additionally, they incorporate energy-saving features that optimize power consumption, helping to reduce operating costs and environmental impact.

In addition to control systems, Balboa Water Group offers a comprehensive range of spa components and accessories. These include pumps, heaters, filters, jets, valves, and more. Their products are known for their durability, reliability, and compatibility with various hot tub models and brands.

Customer satisfaction is a top priority for Balboa Water Group. They provide excellent technical support, troubleshooting assistance, and product documentation to help spa owners and industry professionals make the most of their products. Balboa also collaborates closely with spa manufacturers and distributors worldwide, ensuring that their components are widely available and supported.

Balboa Water Group's commitment to quality and innovation has earned them a stellar reputation within the spa industry. Whether you are a hot tub owner, a spa designer, or a service professional, choosing Balboa products can provide you with the confidence and reliability you need to create a superior spa experience.

Overall, Balboa Water Group is a trusted and respected name in the spa industry, known for its technologically advanced spa components, commitment to customer satisfaction, and ongoing pursuit of innovation. Their products and solutions continue to elevate the spa experience for users around the world.