CAT 5500 Professional Package, Temp/TDS/NACL - Wi-Fi Transceiver (Open Line)

The Hayward CAT 5500 Professional Package, Temp/TDS/NaCl – Wi-Fi Transceiver (Open Line) is a state-of-the-art water chemistry controller designed for advanced monitoring and automation in commercial and high-demand pool environments. It continuously measures pH, ORP, temperature, total dissolved solids (TDS), and salt (NaCl) levels, ensuring precise water balance and optimal sanitizer effectiveness. The integrated Wi-Fi transceiver provides secure remote access, allowing operators to view real-time data, receive alerts, and adjust settings from anywhere. Built with durable sensors and a professional-grade flow cell assembly, the CAT 5500 delivers reliable performance, streamlined maintenance, and enhanced oversight, making it a trusted solution for facilities that require consistent, automated water quality management.

WiFi Connectivity Checklist (092553RevB)(opens in new tab)

CAT 5500 Water Quality Controller Owner's Manual (092651RevD)