Pentair 520267 Personality Circuit Board I9+3

What This Part Is Used For
The Pentair 520267 Personality Circuit Board I9+3 is used to configure expanded automation functions within compatible Pentair control systems. It manages multiple relays and feature circuits.

Why This Part Matters
When an automation system loses control of equipment or displays communication faults, the personality board may be the cause. Replacing it restores relay control and system logic. It supports reliable scheduling and coordinated equipment operation.

Key Features and Specifications

• Manufacturer part number: 520267
• Personality Circuit Board I9+3
• Used in Pentair automation platforms
• Supports expanded relay configuration
• OEM replacement circuit board

Installation and Fitment Guidance
Shut off all power at the breaker before servicing. Use care when reconnecting ribbon cables and connectors. Confirm by manufacturer part number before ordering.

About the Pentair Brand
Pentair automation products provide centralized control for modern pool systems. Their boards are engineered for stable communication across pumps, heaters, and salt systems. OEM electronics ensure correct configuration and firmware compatibility. Pentair remains a leader in pool automation technology.

Common Service Context
Installed during automation expansions or when replacing damaged boards after electrical events. Frequently part of system modernization projects.