Pentair | 521319Z | IntelliChem Controller PCBA Replacement Board – Genuine Pentair OEM Part

The Pentair 521319Z IntelliChem Controller PCBA Replacement Board is a genuine OEM circuit board designed to restore full functionality and communication in IntelliChem® Chemical Automation Systems. This precision-engineered replacement ensures accurate monitoring, dosing control, and reliable integration with Pentair automation platforms.

Key Features

• Genuine Pentair IntelliChem Controller PCBA (Printed Circuit Board Assembly) (Model 521319Z)

• Direct OEM replacement for IntelliChem® Chemical Automation Systems

• Restores communication, monitoring, and dosing control functions

• Factory-calibrated for precise chemical sensing and automation accuracy

• Compatible with Pentair IntelliTouch®, EasyTouch®, and IntelliCenter® systems

• Built from high-quality, heat- and corrosion-resistant components

• Ensures stable operation and system safety in demanding pool environments

• Easy to install with factory connectors and mounting points

• OEM-certified part maintains warranty and original system specifications

• Ideal for professional technicians performing IntelliChem repairs or upgrades

Product Overview
The Pentair 521319Z IntelliChem Controller PCBA Replacement Board provides a reliable, factory-quality solution for maintaining or repairing your IntelliChem water chemistry control system. As the main control module, it manages pH and ORP sensing, communication with automation systems, and precise chemical feed regulation.

Designed and tested by Pentair for long-term durability and accuracy, this replacement board ensures your IntelliChem system continues to operate efficiently and safely. Its plug-and-play configuration simplifies installation for pool professionals, restoring seamless automation, precise chemical management, and dependable system performance in residential and commercial pool applications.