Pentair EasyTouch® 4PSC-IC20 520592 4PSC-IC20 Control System with IntelliChlor® Transformer and Cell. The EasyTouch® control system family offers a new level of control for homeowners looking for an affordable, easy to use pool and spa control system. EasyTouch allows full control of all pool and spa features including advanced features such as colored lighting and IntelliChlor® salt chlorine generator support. Every EasyTouch system includes an easy-to-use control panel that is built into the outdoor enclosure. This control panel allows for full system setup, programmability, and everyday operation. In addition, there are several other available remote interface choices. The EasyTouch systems come in a variety of configurations: Pool only or spa only, pool and spa with shared equipment, and also integrated with Pentair IntelliChlor salt chlorine generator.