Seamless Compatibility: Precision-engineered to fit Intellichlor models IC15, IC20, IC40, and IC60, this flow switch is the perfect replacement for part number 520736, delivering the reliability and efficiency your system requires. Advanced Detection: Equipped with sophisticated sensors, the switch monitors water flow (red and blue wires) and temperature (white and green wires) in your salt chlorine generator system, enhancing overall reliability by ensuring critical operating conditions are met. Installer-Friendly: Designed for easy installation, this flow switch is compatible with 2, 3, and 4-wire systems. Includes secure button connectors for quick, moisture-resistant connections, simplifying setup. High Compatibility: Specifically engineered for seamless integration with Intellichlor systems, ensuring optimal performance and reliable operation of your saltwater chlorination system with minimal maintenance. Note: Slight color variations due to lighting or display settings may occur and do not affect product functionality. Color: Black & White Material: Plastic + Metal Package Contents: 1 x Swimming pool flow switch 1 x Raw material belt (random color, no color choice available) 4 x Terminals Note: Only the items listed are included. Measured dimensions may vary by +/- 1-3 cm due to manual measurement.