Seamless Compatibility: Precision-engineered to fit Intellichlor models IC15, IC20, IC40, and IC60, this flow switch is the perfect replacement for part number 520736, offering 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 key parameters 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 designed for use with Intellichlor equipment, this switch ensures smooth operation of your saltwater chlorination system with minimal maintenance required. Note: Slight color variations due to lighting or display differences may occur and do not affect performance. Color: Black & White Material: Plastic + Metal Package Contents: 1 x Swimming pool flow switch 1 x Raw material belt (random color, no specific color guaranteed) 4 x Terminals Only the items listed above are included; other accessories are not included. Note: Lighting and screen settings may cause slight color differences between the image and the actual item. Measurement may vary by +/- 1-3 cm.