STRANTROL SYSTEM4 CONTROLLER The new System4 monitors and controls pool and spa water chemistry. It is also a direct connect interactive information station, allowing remote control, data acquisition, and other capabilities for more complete, less costly, and more convenient pool management. It is suitable for all sanitizing agents such as gas chlorine, liquid chlorine, bromine, ozone and a variety of feed devices. System4 is designed for use on recirculated applications such as pools and fountains. pdf data sheet

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CES Precision Controller