Chemtrol PC2100 Programmable pH/ORP Controller state_Missouri The lettering is 5

The lettering is 5

Elegantly simple and highly reliable

And this will prolong the life of your filtration system

All controls are on the front panel

Chemtrol PC2100 Programmable pH/ORP Controller state_Missouri The lettering is 5The Chemtrol PC2100 pH ORP Controller is a reliable yet simple programmable controller that features automatic maintenance of water chemistry (ORP and pH) with a display of the Langelier Saturation Index. It is an upgrade of the Chemtrol PC2000 controller with new, improved electronics, a large 8 line screen display, and a USB port for easy datalog download. The PC2100 features a flow cell assembly, sensor cleaning, remote alarm, and several other