Pentair EasyTouch® 522465 Indoor Control Panel For EasyTouch® PL4 and PSL4 Pool and Spa Control Systems. Works with the EasyTouch PL4 and PSL4 control systems to provide control over filtration, pumps, lighting, chemical management and more. The system is designed for a single body of water, while the EasyTouch PSL4 system is designed to control a pool and spa combination. These systems work with the ScreenLogic2® Interface for full control via computer or mobile devices.