Pentair IntelliChlor Union [Qty-2] (520595) spaaccessories and this Jacuzzi SherLok 80

and this Jacuzzi SherLok 80 Dirt Catcher is designed for compatible 16-1/4 inch applications where the original catcher has torn

Matching those details helps keep the replacement accurate and avoids feature mismatch during service

This is important in replacement work because a poor-quality button can stick

An overlay is useful because it restores the visible legends on the panel surface

Pentair IntelliChlor Union [Qty-2] (520595) spaaccessories and this Jacuzzi SherLok 80The Pentair 520595 IntelliChlor union set includes two unions for compatible IntelliChlor plumbing connections. Union fittings like these are useful because they make it easier to connect, remove, or service the related cell or assembly without cutting plumbing apart during maintenance. Replacement is often helpful when the original unions are cracked, damaged, worn, or no longer sealing or tightening correctly. Installing the correct Pentair union