Product Overview
The Pentair IntelliChem Water Chemistry Controller Only | 521357 is an advanced automated pool chemistry controller designed to help maintain balanced pool water by monitoring pH and sanitizer levels. Built for use with compatible chemical feed systems, IntelliChem helps reduce manual testing, improve water consistency, and protect pool equipment from improper chemical balance.

This controller-only model is ideal for systems using external chemical feed pumps, IntelliChlor® salt chlorine generators, or CO₂ pH control setups. Chemical tanks, feed pumps, and additional installation components are sold separately.

Ideal For
Residential pools, commercial-style pool setups, pool owners who want automated water chemistry control, and pool professionals installing a Pentair-compatible pH/ORP monitoring system.

Key Features

Automated Water Chemistry Monitoring
Continuously monitors pool pH and sanitizer levels to help maintain proper water balance.

pH & ORP Control
Uses pH and ORP sensing to help manage chemical dosing and sanitizer performance.

Works Standalone or With Pentair Automation
Can operate independently or integrate with compatible Pentair automation systems for added convenience.

Compatible With External Feed Systems
Designed for applications using external chemical feed pumps, IntelliChlor salt chlorine generators, or CO₂ control.

Helps Reduce Chemical Waste
Adds chemicals more precisely when paired with the proper feed equipment, helping reduce overfeeding and unnecessary chemical use.

Professional-Grade Water Management
Uses technology designed for demanding pool environments where consistent water quality is important.

Benefits

• Helps keep pool water cleaner, clearer, and better balanced
• Reduces manual chemical adjustments
• Helps protect heaters, pumps, lights, plaster, and pool surfaces from poor water chemistry
• Improves sanitizer effectiveness by helping maintain proper pH
• Great upgrade for pools with automation or salt chlorine systems
• Designed for professional installation and setup

Specifications

What’s Included

• Pentair IntelliChem Water Chemistry Controller Only
• Controller components supplied by manufacturer

Not Included

• Chemical feed pumps
• Chemical tanks/containers
• Acid tank
• Chlorine tank
• CO₂ tank/regulator
• Installation plumbing or wiring accessories unless supplied by manufacturer

Confirm Before Ordering

Please verify your existing system setup before ordering. This is the controller-only model and does not include chemical feed pumps or tanks. Confirm compatibility with your automation system, chemical feed method, plumbing layout, and installation requirements before purchase.

Customer-Facing Q&A

Q: Does this include the chemical feed pumps?
A: No. This is the controller-only version. External chemical feed pumps and tanks are sold separately.

Q: Can this work with a salt system?
A: Yes, IntelliChem is commonly used with compatible Pentair IntelliChlor salt chlorine generator systems.

Q: Does this automatically add chemicals?
A: The controller monitors and manages chemistry, but chemical dosing requires compatible external feed equipment.

Q: Can it work without Pentair automation?
A: Yes, IntelliChem can operate independently or with compatible Pentair automation systems.

Q: Should this be professionally installed?
A: Yes. Professional installation is recommended because this product involves water chemistry, electrical wiring, sensors, and chemical feed equipment.

Warranty & Compatibility Note
Warranty coverage may depend on proper installation, application, and manufacturer requirements. Always confirm compatibility with your existing pool equipment before ordering.