520657 | Pentair UOC Motherboard For EasyTouch Systems | 8 Auxiliary 357151 lid cl200 o-ring worn out causing

cl200 o-ring worn out causing slow leak

efficient operation of spa lights by preserving their internal electrical integrity

ideal for operating pumps and motors through your automation system

This valve automatically adjusts water flow to match changing pool conditions

addition to your pool equipment

520657 | Pentair UOC Motherboard For EasyTouch Systems | 8 Auxiliary 357151 lid cl200 o-ring worn out causingThe Pentair UOC Motherboard 520657 is an OEM replacement part built for EasyTouch pool and spa control systems. Acting as the central controller, this board manages up to eight auxiliary functions, allowing users to automate essential operations such as lighting, water features, filtration cycles, and more. By restoring full automation, it helps maintain both convenience and efficiency across pool and spa systems. Compatible with EasyTouch, PL4, and