The advanced Chemtrol PC7000 is a fully integrated controller that offers chemical automation (pH and ORP), sanitizer control with PPM sensor, 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 PC7000 incorporates command of all the operating functions for monitoring, control, and communications into a single integrated command center designed around a powerful microprocessor. With its new PPM sensor for Free Chlorine and duplex operation by remote computer, it is the most advanced and most complete command center for automated water treatment in commercial swimming pools, spas, cooling towers, and industrial water treatment.The Chemtrol PC7000 controller operates like a computer with full-screen displays and direct access to all menus and submenus. The front panel keypad is used to move up and down each menu and enter or exit the submenus. All operating functions can be easily modified from the keypad, including sensor calibration, control set-points, alarm levels, and the programs for super-chlorination, sequential backwashing, chemical saving and energy saving programs. Other features include the Chemtrol proprietary Probe Alert Safeguard, Remote Tech Support, backwash for multiple filters, Automated Chloramine Treatment, heater control energy saver program, password protection, and ethernet/internet network communications. The Chemtrol PC7000 includes the new PPM sensor for true monitoring and control of Free Chlorine.The PC7000 is the only controller you need for your aquatic facility with chemical and pump room controls and remote monitoring. It does have additional options, if needed, like MODBUS communication, 4-20 data output, PPM control with chemical savings programs, chemical tank level, and more. These options can be purchased separately.Chemtrol controllers have a Five-Year Warranty on the electronics module and 1-Year on all other parts.