The Aquasol ORP electrode sensor is designed for compatible water-treatment and controller applications where oxidation-reduction potential needs to be monitored. An ORP sensor is useful because it helps provide the controller with water-condition feedback, supporting more accurate treatment adjustment and dependable water-management performance.This replacement is especially useful when the original sensor is aging, damaged, inaccurate, or no longer reading correctly. Matching the correct sensor with a 3 foot cord helps preserve intended fit and dependable monitoring support.The S010 is a practical service part when a compatible Aquasol system needs an ORP sensor to restore dependable water-treatment monitoring. Aquasol ORP electrode sensor 3 foot cord Designed for compatible water-treatment applications Useful when the original sensor is inaccurate or worn Supports cleaner and more dependable water monitoring