Skip to content
Free Pool Tools
Water Volume Water Test Filter Size Pump Size Heating Size Chlorinator Size Sand/Glass Qty
Get Started
SMART ENERGY If you have a pool pump, a pool heat pump or a spa/hot tub - consider a SMART ENERGY SOLUTION SMART ENERGY If you have a pool pump, a pool heat pump or a spa/hot tub - consider a SMART ENERGY SOLUTION
Skip to product information
Balboa GS510SZ Controller 3.0Kw 800Inc
Description

The Balboa® GS510SZ Spa Controller is a compact yet highly capable control system, making it an excellent choice for retro-fitting older hot tubs in Australian homes. Designed to simplify upgrades while delivering modern reliability, the GS510SZ combines intelligent control, efficient heating and proven Balboa engineering in one space-saving unit.

Equipped with Balboa’s patented M7™ technology, this controller eliminates the need for traditional pressure switches, flow switches and external temperature sensors. This reduces installation complexity, improves reliability and enhances long-term performance—ideal for homeowners wanting peace of mind and lower maintenance. With support for multiple pumps, a blower, lighting and a 3.0kW heater, the GS510SZ provides everything required to revitalise an ageing spa system.

Manufactured by Balboa Water Group, the GS510SZ is trusted worldwide and engineered to suit Australian electrical standards and spa environments.

Balboa GS510SZ Controller 3.0Kw 800Inc

Regular price $1,270.36

B-54517

Specifications
  • Availability:
    In stock

The Balboa® GS510SZ Spa Controller is a compact yet highly capable control system, making it an excellent choice for retro-fitting older hot tubs in Australian homes. Designed to simplify upgrades while delivering modern reliability, the GS510SZ combines intelligent control, efficient heating and proven Balboa engineering in one space-saving unit.

Equipped with Balboa’s patented M7™ technology, this controller eliminates the need for traditional pressure switches, flow switches and external temperature sensors. This reduces installation complexity, improves reliability and enhances long-term performance—ideal for homeowners wanting peace of mind and lower maintenance. With support for multiple pumps, a blower, lighting and a 3.0kW heater, the GS510SZ provides everything required to revitalise an ageing spa system.

Manufactured by Balboa Water Group, the GS510SZ is trusted worldwide and engineered to suit Australian electrical standards and spa environments.

Balboa GS510SZ Controller 3.0Kw 800Inc
Regular price $1,270.36

Product Information

Property Details
Brand Balboa
Specifications Specifications

Model: GS510SZ

Model Number: B-54517-03

Controller Type: Spa controller with integrated heater

Heater Output: 3.0 kW

Power Supply: Single-phase (configurable to two or three-phase)

Brand: Balboa®

Technical Details

Controlled Equipment:

Pump 1 – Single or two-speed

Pump 2 – Single-speed

24-hour circulation pump

1 blower

1 × 3.0kW heater

1 ozonator

1 underwater light

Keypad Compatibility (sold separately):

VL600S

VL700S

VL701S

VL702S

Plumbing Connections:

Heater connections: 2-inch

O-rings and connections included

Physical Dimensions:

Height: 268 mm

Width: 311 mm (control box only, excluding heater)

Width: 381 mm (heater, excluding unions)

Depth: 112 mm
Functionality

The Balboa GS510SZ acts as the central command unit for your spa, managing heating, circulation, massage pumps, air blowers and lighting from a single intelligent controller. Its M7™ sensor system continuously monitors water temperature and flow internally, improving safety and reliability while simplifying system design.

This makes the GS510SZ particularly well suited to spa upgrades, where older control systems can be replaced with minimal plumbing and electrical changes.

Installation Notes & Guidance

Must be installed by a qualified electrician, pool or spa technician

Delivered pre-configured for single-phase power

Can be reconfigured for two-phase or three-phase installations to distribute electrical loads

AMP plug connections streamline component wiring

Ensure keypad compatibility before installation

Installation must comply with Australian electrical and plumbing standards

Shipping Information

Shipping Weight: 5.0 kg

Shipping Dimensions:

Length: 0.400 m

Width: 0.130 m

Height: 0.300 m

Shipping Volume: 0.0156 m³

Selection Tips

Confirm your spa model and system layout

Match the model and part number

Verify pump and accessory requirements

If unsure, consult a qualified spa technician or parts specialist

Why Choose the GS510SZ for Australian Homes?

Compact, versatile and engineered for easy retrofits, the Balboa GS510SZ is ideal for extending the life of older spas while introducing modern safety, efficiency and control—perfect for Australian households looking to upgrade without replacing their entire spa.
Key Features

Ideal for retro-fitting older spa and hot tub systems

Integrated 3.0kW heater for consistent water temperature

Patented M7™ technology – no pressure or flow switches required

Supports multiple pumps and spa accessories

AMP plug connections for simplified installation

Compatible with a wide range of Balboa keypads

Pre-configured for single-phase power
Documentation Installation & Use Considerations

Installation must be carried out by a qualified spa technician or licensed electrician in line with Australian electrical and safety standards. The controller should be positioned for easy access while ensuring protection from water exposure.

Routine maintenance includes checking connections, monitoring temperature readings, and ensuring the controller operates as intended. Proper installation and care will maximise performance and longevity.

Why It’s a Good Choice

The Balboa GS510SZ Controller 3.0kW 800Inc is an ideal choice for Australian spa owners seeking a compact, reliable, and efficient control solution. Its robust design and user-friendly interface make it suitable for smaller residential spas where ease of use and dependable performance are essential.

By providing precise control over heating and spa functions, the GS510SZ ensures a comfortable and safe spa experience—delivering lasting value and peace of mind for residential owners.

Fast Australia-Wide Shipping

Orders dispatched within 24–48 hours.

Secure Checkout

SSL-encrypted transactions. Shop confidently.

Expert Customer Support

Talk to real pool specialists when you need help. (02) 4943 7311

Newcastle’s first and most trusted pool shop. Established in 1967, we’re a proudly Australian, family-owned business now serving its third generation, with over 150 years of combined industry experience. From cutting-edge robotic cleaners and energy-efficient pool pumps to water treatments, heaters, covers, and filters, we carry only the best brands and stand behind every product we sell.

Quick Links
We Want Australian Made
    Air Systems
    Bath Components
    Support

    Copyright© 2026 Pool and Spa Accessories

    en
    Australia AUD
    • American Express
    • Apple Pay
    • Google Pay
    • Mastercard
    • PayPal
    • Shop Pay
    • Union Pay
    • Visa
    Drawer Title

    This website uses cookies to ensure you get the best experience on our website.

    Similar Products