Pentair IntelliChlor Power Center and IC40 Cell (520555 and 520556) Power Center and IC40 Cell in One Box Easy-to-view displays enable fast checking of salt levels, cell cleanliness, sanitizer output and water flow. All performance dataproduction settings, hours of operation, chlorine output, cell cleaning cycles, salt readings and water temperature averagesis captured daily, making it easy to maintain perfect water. Same sanitation performance as manual chlorine addition without the drawbacks.