⚡ Balboa BP2100G0 Control Box with 3.0kW Heater

High-Capacity Spa Control for Multi-Pump Systems and Demanding Installations

📋 Product Overview

The Balboa BP2100G0 is a high-capacity spa control system built for larger hot tubs and demanding installations. With an integrated 3.0kW heater and support for up to three pumps plus a circulation pump and blower, this powerhouse controller delivers the performance needed for feature-rich spa systems.

Whether you’re running multiple jet zones, powerful hydrotherapy pumps, or a full complement of spa features including air blower massage, the BP2100G0 handles it all from a single, integrated control box. Factory-configured for immediate use with 2 × dual-speed pumps, with flexible alternatives available through simple test mode adjustments.

This system manages everything — multiple pumps, circulation, blower, ozone sanitation, and lighting — whilst remaining WiFi-ready for smartphone control. When your spa demands more power and more features, the BP2100G0 delivers.

✨ Key Features at a Glance

Feature	What It Does	Why It Matters
🌡️ 3.0kW Integrated Heater	Powerful heating with 2″ plumbing connections	Fast heat-up times even in cold conditions
💧 Multi-Pump Support	Control up to 3 pumps simultaneously	Run multiple jet zones independently
🔄 Circulation Pump Output	Dedicated circ pump connection	Energy-efficient 24/7 filtration
💨 Blower Output	Built-in air blower control	Relaxing bubble massage at the touch of a button
🫧 Ozone Ready	Integrated ozone output	Cleaner water with reduced chemical use
💡 10V Lighting Control	Powers spa lights (1A max)	Create the perfect ambience
📱 WiFi Ready	Accepts compatible WiFi module	Control your spa from anywhere
🔌 Expansion Capable	Optional boards for blower and pump	Grow your system as needed

🔧 Technical Specifications

Core System

Component	Specification	Details
Heater	3.0kW Integrated	High-output heating element
Pump 1	Dual-speed OR Single-speed	With circ pump if single-speed
Pump 2	Dual-speed OR Single-speed	Independent control
Pump 3	Via expansion	Optional additional pump
Circulation Pump	✅ Yes	Dedicated low-energy filtration
Blower	✅ Yes	Air massage system
Ozone Output	✅ Yes	Sanitation system ready
Light Output	10V @ 1A	Standard spa lighting
WiFi	✅ Ready	Module sold separately

Plumbing Specifications

Specification	Value
Plumbing Size	2″
Heater Connections	2″ unions

Compatibility

Component	Compatible With
Topside Panels	All Balboa TP Series
Pump Types	Dual-speed or Single-speed
Ozone Systems	Standard spa ozonators
Lighting	10V spa lights (1A max)

📐 Dimensions & Footprint

Measurement	Value	Notes
Length	500 mm	Including heater assembly
Width	120 mm	Compact profile
Height	300 mm	Standard mounting height

🔗 Topside Panel Compatibility

The BP2100G0 works seamlessly with all Balboa TP Series topside panels. Choose the control interface that best suits your spa’s design and the features you want to access.

What This Means For You

Benefit	Description
Full Range	Select from Balboa’s complete TP Series lineup
Feature Access	Control all pumps, blower, lights from your topside
Upgrade Path	Change topside panels anytime
Proven Compatibility	Balboa-to-Balboa reliability

🔌 Expansion Options

The BP2100G0 already includes substantial capability, but optional expansion boards let you add even more:

Expansion Board	What It Adds
Blower Board	Additional blower control
Pump Board	Single-speed Pump 2 output

Built-In vs. Expansion

The BP2100G0 comes with blower output already built in. Expansion boards are for configurations requiring additional outputs beyond the standard complement.

⚙️ Pump Configuration Options

The BP2100G0 offers flexible pump configurations to match your spa’s setup:

Factory Default: 2 × Dual-Speed Pumps

Component	Configuration
Pump 1	Dual-speed (High/Low)
Pump 2	Dual-speed (High/Low)
Circulation	Via Pump 1 Low Speed or Dedicated

Best For: Multi-zone jet systems where each pump powers different jet groups with variable speed control.

Alternative: Mixed Configurations

Component	Options
Pump 1	Dual-speed OR Single-speed (with circ pump)
Pump 2	Dual-speed OR Single-speed
Pump 3	Via expansion board
Circulation Pump	Dedicated output available

Need a different setup? Alternative configurations are easily achieved via test mode — no complicated procedures required.

💨 Blower Control

The BP2100G0 includes built-in blower output for air massage systems. Connect your spa’s air blower directly to the control box for integrated control through your topside panel.

Blower Feature	Specification
Output	✅ Included
Control	Via topside panel

Air Massage Benefits

• Relaxing Bubbles — Gentle air massage for ultimate relaxation
• Integrated Control — One system manages everything
• On-Demand Operation — Activate when you want it

🫧 Ozone System Integration

Built-in ozone output connects your spa’s ozonator for enhanced water sanitation. Ozone works alongside regular water treatment to keep spa water cleaner and fresher.

Ozone Feature	Specification
Output	✅ Included
Connection	Standard ozonator hookup

💡 Lighting Control

Integrated lighting control powers your spa lights directly from the BP2100G0.

Light Specification	Value
Voltage Output	10V
Maximum Current	1A

📱 WiFi Connectivity

The BP2100G0 is WiFi-ready, accepting compatible modules for smartphone and tablet control.

WiFi Feature	Status
WiFi Ready	✅ Yes
Module Included	❌ No (sold separately)
Control Method	Smartphone / Tablet via smart devices

Remote Control Benefits

• Pre-Heat Your Spa — Start heating before you get home
• Monitor Temperature — Check water temp from anywhere
• Adjust Settings — Change modes without walking outside
• Peace of Mind — Know your spa’s status anytime

🎯 Ideal Applications

Application	Suitability	Why It’s a Good Fit
🛁 Multi-Pump Hot Tubs	⭐⭐⭐⭐⭐	Controls up to 3 pumps independently
💨 Spas with Air Blowers	⭐⭐⭐⭐⭐	Built-in blower output included
🏠 Large Home Spas	⭐⭐⭐⭐⭐	3.0kW heater handles larger water volumes
❄️ Cold Climate Installations	⭐⭐⭐⭐⭐	Powerful heating maintains temperature
🏊 Feature-Rich Systems	⭐⭐⭐⭐⭐	Multiple outputs for full-featured spas
🔄 System Upgrades	⭐⭐⭐⭐⭐	Step up from single-pump systems

📦 What’s Included

Item	Included
BP2100G0 Control Box	✅ Yes
3.0kW Integrated Heater	✅ Yes
Topside Panel	❌ No (sold separately)
WiFi Module	❌ No (sold separately)
Expansion Boards	❌ No (sold separately)

❓ Frequently Asked Questions

Pump & Capacity

Q: How many pumps can this control? A: The BP2100G0 manages up to 3 pumps (with expansion), plus a dedicated circulation pump.

Q: What’s the factory default pump setup? A: Factory preset for 2 × dual-speed pumps. Alternative configurations available via test mode.

Q: Can I use single-speed pumps instead? A: Yes — Pump 1 and Pump 2 can each be configured for dual-speed or single-speed operation.

Blower & Features

Q: Does this include blower control? A: Yes, blower output is built in — no expansion board needed for basic blower operation.

Q: What features are built in vs. expansion? A: Built in: 2 pump outputs, circulation pump, blower, ozone, lighting, WiFi-ready. Expansion adds: additional pump output.

Heater & Heating

Q: What size heater is included? A: The BP2100G0 includes an integrated 3.0kW heater with 2″ plumbing connections.

Q: Is 3.0kW enough for my spa? A: 3.0kW is suitable for most domestic hot tubs. Contact Parts4Tubs for advice on larger or commercial installations.

Compatibility

Q: Which topside panels work with this? A: All Balboa TP Series topside panels are fully compatible.

Q: What plumbing size connections does this use? A: 2″ plumbing connections on the heater.

WiFi & Control

Q: Is WiFi included? A: The unit is WiFi-ready but the module is sold separately.

Q: How do I add WiFi control? A: Purchase a compatible Balboa WiFi module and connect it to the control box.

Dimensions & Installation

Q: What are the dimensions? A: 500 mm (L) × 120 mm (W) × 300 mm (H), including the integrated heater.

Q: Is this bigger than the BP200UX? A: Yes — the BP2100G0 is larger to accommodate more outputs and higher capacity.

What’s Included

Q: Does this include a topside panel? A: No, topside panels are sold separately.

Q: What exactly do I receive? A: The BP2100G0 control box with integrated 3.0kW heater. Topside, WiFi module, and expansion boards sold separately.

📥 Documentation & Downloads

📄 BP2100G0 Technical Data Sheet — Complete specifications, wiring diagrams, and technical details

🏆 Why Choose the Balboa BP2100G0?

• ✅ Multi-Pump Control — Manage up to 3 pumps from one box
• ✅ Built-In Blower — Air massage control included as standard
• ✅ 3.0kW Heating — Powerful, fast heat-up performance
• ✅ Full Feature Set — Pumps, blower, ozone, lighting in one system
• ✅ WiFi Ready — Add smartphone control when you’re ready
• ✅ Balboa Quality — Industry-leading spa control technology
• ✅ Flexible Configuration — Test mode adjustments for your setup
• ✅ TP Series Compatible — Works with all Balboa TP topsides

🤝 Why Buy From Parts4Tubs?

✅	What You Get
🇬🇧	UK-Based Company — Local support, local knowledge
🚚	Fast UK Delivery — Get your parts quickly
💬	Expert Advice — Spa specialists ready to help
💷	Competitive Pricing — Great value on genuine parts
🛡️	Full Warranty — Manufacturer backing included
↩️	Easy Returns — 30-day hassle-free returns
🔧	Technical Support — Help when you need it
🔗	Compatible Accessories — Everything you need in one place

✨ Summary

The Balboa BP2100G0 is a high-capacity spa control system designed for multi-pump installations and feature-rich hot tubs. With an integrated 3.0kW heater, support for up to 3 pumps plus circulation pump, built-in blower output, ozone integration, and 10V lighting control, this system handles demanding spa configurations from a single control box measuring 500 x 120 x 300 mm.

Factory preset for 2 × dual-speed pumps with alternative configurations available via test mode, the BP2100G0 connects to all Balboa TP Series topside panels and is WiFi-ready for smartphone control. 2″ plumbing connections ensure compatibility with standard spa plumbing, whilst optional expansion boards allow further system growth. When your spa needs more power and more features, the BP2100G0 delivers.

 

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.