Explore our Circuit Boards collection, featuring dependable, high-performance replacements and upgrades for spa, pool, and control systems. Built for reliability and long life, these boards deliver precise compatibility, simple installation, and minimal downtime for technicians and DIY experts alike.
From busy service teams to do-it-yourself enthusiasts, these Circuit Boards are chosen for compatibility, durability, and straightforward installation. Each option is backed by quality control and clear documentation to get systems back online quickly.
Designed for technicians, property managers, and DIY enthusiasts, these boards meet standard mounting patterns, connector layouts, and safety ratings to fit a wide range of control systems. They support quick diagnostics, reliable power management, and future-ready upgrades. Clear specifications and accessible support help you choose the right option with confidence.








![Balboa Circuit Board, Export-50Hz GS500Z, M7, Duplex [54510] Spa Controls 54510.1](http://bathparts.com/cdn/shop/products/54510.1.jpg?v=1769976124&width=700)
![Balboa Circuit Board, VS523DZ, Serial Deluxe Digital, [55856-01] Spa Parts 55856-01](http://bathparts.com/cdn/shop/products/55856-01.jpg?v=1769976169&width=700)






