The Balboa GS510SZ Spa Controller (3.0kW) is a reliable, mid-capacity control system designed to bring modern performance and flexibility to residential spas across Australia. Ideal for spa upgrades or replacement projects, this controller delivers dependable heating and the ability to manage multiple pumps and accessories from a single, compact unit.

Built with Balboa’s proven engineering, the GS510SZ (also commonly referenced within the GS52x family for similar configurations) is well suited to Australian conditions, offering stable temperature control, smooth pump operation and broad equipment support. Whether you’re revitalising an older spa or configuring a new setup, this controller provides a practical balance of power, expandability and ease of installation.

Manufactured by Balboa Water Group, the GS series is trusted worldwide for its long service life and installer-friendly design.