Balboa Circuit Board [Cal Spa, CS501Z] (ELE09100027)

The Balboa Circuit Board ELE09100027 for Cal Spa CS501Z models provides authentic Balboa control for spa systems. This replacement PCB from Balboa Water Group preserves the original control architecture, enabling reliable management of heating, pumps, lights, and sensors in compatible Cal Spa CS501Z configurations.

• Chip and compatibility: Chip number GS501ZR2; compatible with Balboa control layouts used in CS501Z installations; part number ELE09100027.
• Key components: integrated power transformer, relays, screw-terminal blocks, and multi-pin connectors for sensor and load wiring.
• Physical attributes: standard green printed circuit board designed to fit typical Balboa mounting footprints.
• Use case: ideal replacement for failed spa control boards, servicing by professionals, and retrofits within Balboa-based spa systems.

This Balboa Water Group board supports reliable diagnostics and lifecycle performance within pool and spa circuit board ecosystems. Verify CS501Z compatibility before installation.

Cal Spa Circuit Board ELE09100027

Specifications

• Chip Number: GS501ZR2