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
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Pool owners with IntelliChlor® or iChlor® systems displaying “Low Flow” or “Sensor Fault” warnings.
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Service professionals performing routine maintenance or diagnostics on Pentair salt systems.
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Installations where the existing switch assembly has worn out, corroded, or been damaged.
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Pool facilities seeking reliable, accurate flow and temperature sensing for automated salt-chlorination.
Key Features
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OEM Pentair Part – ensures precise fit and compatibility with IntelliChlor® and iChlor® models.
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Dual Function – measures both flow rate and temperature to support safe chlorine generation.
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Compatible Models – designed for IntelliChlor® IC15, IC20, IC40, IC60 and iChlor® systems.
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Includes Sealed Connectors – watertight splices and wire harness for secure installation.
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Restores System Performance – resolves inaccurate readings or false low-flow alarms.
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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.