Pentair IntelliChlor Pass-Through Cell [Winter/Startup] (520588) reducers A part like this is

A part like this is useful because it restores the supporting metal seal-back portion of the pump assembly

it also helps restore a cleaner finished appearance without requiring additional cosmetic parts to complete the installation

or a heater that will not fire as expected

Designed for pool filtration repair and maintenance

Pentair IntelliChlor Pass-Through Cell [Winter/Startup] (520588) reducers A part like this isPool equipment service often comes down to small details, and Pentair IntelliChlor Pass Through Cell [Winter Startup] (520588) helps restore one of those critical connection points. The cell restores salt chlorine generation when the existing cell is depleted, damaged, or no longer meeting output needs. It is especially useful for salt chlorination systems that rely on matched cells, wiring, seals, and power components to keep chlorine output