Pentair Flow Switch Assembly | 520736

Product Overview The Pentair 520736 Flow Switch Replacement Kit is an OEM flow and temperature sensing assembly designed for IntelliChlor® and iChlor® salt-chlorine generator systems. This part monitors both water flow and temperature, ensuring that chlorine production only occurs under safe operating conditions. Replacing a worn or failed switch restores proper system safety and performance. Ideal For Pool owners with IntelliChlor® or iChlor® systems displaying “Low Flow” or “Sensor Fault” warnings. Service professionals performing routine maintenance or diagnostics on Pentair salt systems. Installations where the existing switch assembly has worn out, corroded, or been damaged. Pool facilities seeking reliable, accurate flow and temperature sensing for automated salt-chlorination. Key Features OEM Pentair Part – ensures precise fit and compatibility with IntelliChlor® and iChlor® models. Dual Function – measures both flow rate and temperature to support safe chlorine generation. Compatible Models – designed for IntelliChlor® IC15, IC20, IC40, IC60 and iChlor® systems. Includes Sealed Connectors – watertight splices and wire harness for secure installation. Restores System Performance – resolves inaccurate readings or false low-flow alarms. Durable Construction – built for long-term use in pool and spa chemical environments. Customer-Facing Q&A Q: What does this switch do? A: It detects water flow and temperature, signaling the control unit when conditions are safe for chlorine production. Q: How do I know it needs replacement? A: Common signs include persistent “No Flow” or “Sensor Error” alerts even when the system is running normally. Q: Can I install this myself? A: Installation is straightforward for anyone familiar with pool equipment. Always disconnect power, follow the wiring diagram, and ensure proper flow direction before restoring power. Q: Does this part include the cable and connectors? A: Yes, the kit includes the cable assembly, connectors, and sealing components for a complete replacement. Q: Is this compatible with all IntelliChlor models? A: Yes, it works with all standard IntelliChlor® and iChlor® models, including IC15, IC20, IC40, and IC60.