Product Overview

The Pentair 520723 PCBA Replacement Board is a genuine Pentair replacement circuit board designed for older EasyTouch® and IntelliTouch® automation systems equipped with IntelliChlor® Salt Chlorine Generator (SCG) power components.

This board is part of the IntelliChlor power-supply section inside the automation load center. It helps manage power delivery to the connected IntelliChlor salt cell and is intended to replace a failed or damaged SCG circuit board without replacing the entire automation system.

Pentair identifies 520723 as the IntelliChlor CG board used on systems manufactured before the applicable EasyTouch design change date. Newer EasyTouch systems use a different SCG board, 521218, so verifying the existing board and system configuration before ordering is important. Pentair

Key Features

• Genuine Pentair OEM replacement part
• Part number 520723
• Replacement IntelliChlor SCG PCBA / circuit board
• Designed for compatible Pentair EasyTouch automation systems
• Also used with applicable IntelliTouch systems equipped with IntelliChlor SCG components
• Replaces the SCG power-supply circuit board inside the automation load or power center
• Helps restore proper power operation to compatible IntelliChlor salt chlorine generator systems
• Direct replacement for the original pre-change-date IntelliChlor CG board
• Designed for professional repair rather than full automation-system replacement

Pentair's replacement-parts documentation specifically lists 520723 as the “IntelliChlor CG Board, before change date.” Pentair

Specifications

Compatibility Information

The 520723 should not be assumed to fit every EasyTouch load center.

Pentair's parts catalog separates the IntelliChlor circuit boards into two generations:

520723
IntelliChlor CG Board — before change date

521218
IntelliChlor CG Board — after change date

This distinction is important because the physical system configuration and related power-supply components may differ between generations. Pentair

For the best fit verification, compare:

• Existing circuit-board part number
• EasyTouch or IntelliTouch model
• Automation system manufacturing date
• Current IntelliChlor power-supply configuration
• Existing transformer and connection cable

Related Pentair SCG Components

The IntelliChlor power-supply system includes several serviceable components. Depending on the diagnosis, replacing the PCBA alone may not correct the problem.

Common related components include:

520722 – IntelliChlor SCG Transformer for earlier systems
520724 – IntelliChlor Cell/PCBA Power Cable
520714Z – 10A Resettable SCG Circuit Breaker for earlier systems
521218 – Newer-generation IntelliChlor CG Board
521441 – Newer-generation IntelliChlor System Transformer

Pentair's documentation lists these components separately as service parts for the SCG power-supply section. Pentair

Common Reasons for Replacement

The 520723 may need replacement when troubleshooting symptoms such as:

• IntelliChlor cell has no power
• SCG power LED does not illuminate
• Known-good salt cell does not receive power
• Visible damage or failure on the SCG circuit board
• Failed internal components on the existing PCBA
• Automation system operates normally but the IntelliChlor power section does not

Other components including the transformer, wiring, circuit breaker, connection cable, or IntelliChlor cell itself should also be tested before determining that the PCBA has failed.

Installation Notice

Professional installation is strongly recommended.

The 520723 is installed inside the EasyTouch or IntelliTouch electrical load/power center. Pentair instructs technicians to disconnect all power supplying the load center at the main circuit breaker before accessing or replacing SCG components. Electrical wiring and service should be completed by a qualified professional. Pentair

After installation, Pentair's service procedure calls for restoring power and verifying that the green SCG circuit-board power LED illuminates correctly. Pentair

What's Included

• 1 × Pentair 520723 IntelliChlor SCG PCBA Replacement Board

Transformer, salt cell, connection cable, circuit breaker, automation motherboard, and other components are not included unless specifically stated otherwise.

Important Compatibility Notice

Please verify your existing board and automation-system generation before ordering.

Part 520723 is intended for the earlier IntelliChlor SCG power-supply configuration. Newer EasyTouch systems may require 521218 instead. Ordering based only on the EasyTouch name without confirming the generation can result in receiving an incompatible board.