Pentair | 522621 | IntelliChem Controller with Acid Tank & Tank-Mounted Pump – Automated Pool Water Chemistry System
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The Pentair 522621 IntelliChem Controller with Acid Tank & Tank-Mounted Pump is a fully automated water chemistry management system designed to maintain precise pool water balance with minimal manual intervention. This advanced system continuously monitors pH and ORP (Oxidation-Reduction Potential) levels and automatically adjusts chemical dosing to ensure optimal sanitizer efficiency and swimmer comfort.
Ideal for residential and light commercial pools, the IntelliChem system helps prevent common water issues such as cloudy water, algae growth, scaling, and corrosion. The included acid storage tank and tank-mounted feed pump allow for automated acid dosing, making the system highly efficient and convenient. When integrated with compatible automation systems, IntelliChem offers centralized monitoring and enhanced control for a complete pool management solution.
By maintaining balanced water chemistry automatically, the IntelliChem Controller reduces chemical waste, extends equipment life, and ensures consistently safe water conditions.
Pentair 522621 IntelliChem Controller with Acid Tank & Tank-Mounted Pump Compatibility
- Compatible with Pentair IntelliTouch®, EasyTouch®, and IntelliCenter® Automation Systems
- Designed for residential and light commercial pools
- Works with liquid chlorine or bromine sanitation systems
- Suitable for use with Pentair IntelliChlor® Salt Chlorine Generators
- Integrates with compatible pool pumps, heaters, and filtration systems
- Designed for pools requiring automated pH and ORP chemical monitoring
Frequently asked questions
Is a variable speed pump worth it?
Variable speed pumps draw dramatically less power at low speed because energy use falls far faster than flow does. Many jurisdictions now require variable speed for new and replacement residential pool pumps above a certain horsepower, so check local code before buying single-speed.
What is the part number for this pump?
Pentair lists this pump under part number 522621. Quote 522621 when you cross-reference against your equipment manual, an existing part, or a parts diagram, so you are comparing the same revision.
How do I match a pump to my pool?
Work from the plumbing rather than the pool size: line diameter, total dynamic head and the flow your filter and heater can accept all cap the useful pump size. An oversized pump on undersized plumbing wastes power and can exceed the filter's rated flow.
How do I confirm this fits my equipment?
Match the part number stamped on the component you are replacing, or look it up in the parts list for your Pentair equipment. If your model or serial number is not named on this page, send it to us before you order and we will confirm the fit.
What do I need to check before installing this pump?
Confirm the voltage, the union or port sizes and the mounting footprint against your existing installation. Pump replacement usually involves electrical connections and may require a licensed electrician depending on local requirements.
Is there a warranty on this pump?
It carries the standard Pentair manufacturer warranty. The terms are set by Pentair, and on some equipment the coverage only applies when a licensed professional performs the installation. Keep the receipt and packaging until you have confirmed correct operation.