Compatibility: Flow switch compatible with Intellichlor salt chlorinator models IC-15, IC-20, IC-40, and IC-60. Replaces part number 520736. Helps protect your salt chlorine generator. Designed for durability in various weather conditions. Easy Connection: Flow switch features 4 push-button wire connectors. Waterproof and moisture-resistant design. Includes waterproof sealing tape to prevent leaks. Arrow marking on the switch indicates proper water flow direction for correct installation. Sensitive Detection: Red and black/blue wires detect water flow. White and green wires detect temperature. This flow switch monitors water flow and temperature for Intellichlor systems only. It does not measure or adjust salt levels and will not resolve low-salt readings. Easy Installation: Compatible with 2-wire, 3-wire, and 4-wire chlorine cells. Pre-stripped wires simplify setup. Installation typically takes only a few minutes to clear the “no flow” warning light. What’s Included: 1 x Flow Switch, 1 x Waterproof Sealing Tape, 4 x Push-Button Connectors. Color: As shown in product image Material: Plastic Package Contents: 1 x Flow Switch Note: Color appearance may vary slightly due to screen settings and lighting conditions. Measurement tolerance: ±1–3 cm.