Pentair IntelliSync Pool Pump Control & Monitoring System || EC-523404 Hayward Parts List 2026 Twist the union nut counter-clockwise

Twist the union nut counter-clockwise to remove

It can be found on the top end of the swivel assembly making it easy to identify for a replacement if necessary

Zodiac Diaphragm Retaining Ring — W81600

(2) Caretaker 2" Valve Union Assembly

Pentair IntelliSync Pool Pump Control & Monitoring System || EC-523404 Hayward Parts List 2026 Twist the union nut counter-clockwisePentair IntelliSync Pool Pump Control & Monitoring System EC 523404 The Pentair EC 523404 IntelliSync Pool Pump Control & Monitoring System is a game changer in pool automation. Designed to simplify pool maintenance, this advanced system remotely controls and monitors your Pentair variable speed pumps through a smartphone or tablet. IntelliSync offers unmatched convenience, efficiency, and energy savings while ensuring optimal pool performance. Sold