Controllers from PULSAtrol MCT Series continuously protect cooling systems from the harmful effects of scaling, corrosion, and microbiological growth. They are designed using advanced microprocessor technology and the latest in surface mount assembly techniques. The result is amazing versatility in a compact, reasonably priced controller package. The units are simple to program using the clearly labeled keypad and the bright alphanumeric display. And Pulsatrol’s distinctive receptacle cords make easy to connect any electrical device being controlled.