Rola-Chem 554000 Digital ORP/pH Controller – Standalone Chemical Automation for Pools and Spas

The Rola-Chem 554000 Digital ORP/pH Controller is a reliable, microprocessor-based chemical automation unit engineered for maintaining perfect pool and spa water chemistry. Designed to monitor and control ORP (chlorine activity) and pH, this standalone controller integrates easily with existing peristaltic pumps or chemical feed systems for flexible installation.

It features an intuitive digital display that shows real-time readings for pH and ORP, programmable setpoints, feed cycle duration controls, and a delay feature to allow for solution mixing before further dosing. Built-in automatic temperature compensation (ATC) ensures accurate sensing in variable conditions, while the system can be calibrated easily using front-panel controls.

The 554000 is suitable for public, semi-public, and residential pools, fountains, spas, and water features, and is compliant with NSF/ANSI Standard 50 and California Title 22 for regulated facilities.

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