Pentair EasyTouch UOC Motherboard w/ 4 Auxiliaries | 520659
The Pentair EasyTouch UOC Motherboard with 4 Auxiliaries (520659) is a replacement controller board for the
Pentair EasyTouch Automation System. As the central logic hub of an EasyTouch panel, this motherboard provides the
main processing and communication functions that allow your system to run schedules, control pumps, heaters, lights, and other auxiliary
circuits, and respond with timing logic through the automation interface.
What This Part Is For
This motherboard with 4 auxiliary outputs is designed specifically for the Pentair EasyTouch Automation System. It
replaces the original UOC (User Operated Controller) motherboard when it fails or malfunctions — restoring control of the system’s
core logic and ancillary outputs. Auxiliary outputs can be used to control features such as spa blowers, lighting, fountains, or other
secondary equipment.
Features & Benefits
- OEM replacement motherboard for EasyTouch automation panels
- Includes 4 auxiliary outputs for controlling additional pool/spa features
- Restores control logic and scheduling functions for pool automation
- Durable design built for reliable long-term service
Installation Notes
- Disconnect all power to the EasyTouch panel before servicing
- Remove the faulty motherboard carefully and label the harness connections
- Install the new motherboard and reconnect wiring exactly as originally configured
- Verify proper operation of all controlled equipment functions after installation
Maintenance Tips
- Check wiring harnesses periodically for corrosion or loose terminals
- Keep the panel enclosure dry and free of debris to help preserve electronics
- Test schedules and auxiliary equipment control functions seasonally
- Update connected interface software if your system supports network/mobile control
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