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Chemtrol PC7100-UV Programmable Chemical and Filtration Integrated Controller With Free Chlorine Sensor and UV Control state_Rhode Island This Warning No Lifeguard OnThe advanced Chemtrol PC7100 UV is a fully integrated controller that offers chemical automation (pH and ORP), sanitizer control with PPM sensor, UV Control, TDS, water balance, water level, temperature and heater control, plus automatic pump and filter control. It has full remote access with true duplex operation. The PC7100 UV incorporates command of all the operating functions for monitoring, control, and communications into a single integrated