Pentair IntelliTouch® 521223 i5+3S Single Body Personality Kit. Pentair IntelliTouch® 521223 i5+3S Single Body Personality Kit. An IntelliTouch® Control System takes the work and worry out of scheduling and operating pool and spa heating, filtration and cleaning cycles. It also gives you one-touch control over additional heaters, valves, pool lights, landscape lights, water features and more. At the same time, an IntelliTouch system makes sure all yourequipment operates at peak efficiency for minimum energy usage and cost. It evenhelps protect your equipment investment. IntelliTouch systems sense conditions that could hamper operation and alert you to these situations or take automatic corrective action.