<p>Rola-Chem 555000 Generation II Digital ORP/FAC Controller Only Microprocessor-based chemical automation system—which continuously monitors the pH and sanitizer level in a pool or spa. Dual ORP to control two sanitizers. </p>

<p>Rola-Chem 555013 Generation II Digital Control w/ 12 GPD Peristaltic Pump &amp; Gold Tip ORP Probe Microprocessor-based chemical automation system—which continuously<br>monitors the pH and sanitizer level in a pool or spa. Dual ORP to control two sanitizers. This set includes Controller, flow cell with flow switch, probes, 3/8” tubing and fittings.</p>

<p>Rola-Chem 554512 Digital Controller with 12 GPD Peristaltic Pump and Solenoid Kit. </p>