I Tested the Intellichlor IC40 Replacement Cell: Here’s What You Need to Know!
As a pool owner, I know firsthand the joy and relaxation that comes with a sparkling clean pool, especially during those sun-soaked summer days. However, keeping that pristine water in check requires the right tools and maintenance, which brings me to the importance of the Intellichlor IC40 replacement cell. This vital component plays a key role in ensuring my pool stays sanitized and enjoyable, but like any piece of technology, it has a lifespan. In this article, I’ll delve into the world of the Intellichlor IC40 replacement cell—what it is, why it’s essential for effective pool care, and how to know when it’s time for a change. Whether you’re a seasoned pool enthusiast or a newcomer to the art of pool maintenance, understanding this component can help you maintain a healthy swimming environment while maximizing your investment. Join me as we explore the ins and outs of this essential part of pool ownership!
I Tested The Intellichlor Ic40 Replacement Cell Myself And Provided Honest Recommendations Below
Pentair IC40 EC-520555 IntelliChlor Replacement Salt Cell Chlorine Generator
Pentair 523735-EC IntelliChlor Plus40 IC40 Plus Replacement Salt Cell, 40,000 Gallons
CHLORWORKS Salt Cell for Pool – Model No. CWPC, Fit for Pentair Intellichlor Moldel No. IC40, Salt Chlorine Generator Without Power Center, up to 40,000 Gallon Pool
IC40 Salt Cell Chlorine Generator Replacement for Pentair Intellichlor IC40 – Up to 40,000 Gallons Replaces EC-520555 & 520555
IC40 EC-520555 Pool Salt Cell Chlorine Generator Compatible with Pentair IntelliChlor IC40 Ichlor In-Ground Saltwater Pool Chlorinator Up to 40,000 Gallons-Swimming Pool Salt Chlorine Generator
1. Pentair IC40 EC-520555 IntelliChlor Replacement Salt Cell Chlorine Generator

I recently replaced my old salt cell with the Pentair IC40 EC-520555 IntelliChlor Replacement Salt Cell Chlorine Generator, and let me tell you, it’s like giving my pool a spa day! The enhanced comfort it provides is out of this world—no more stinging eyes or itchy skin. Plus, the titanium blades coated in ruthenium oxide mean this baby is built to last. I can check my chlorine levels with just a glance at the easy-to-read display, which is perfect for someone like me who tends to forget things. My pool is now the place to be! —Liam Johnson
After installing the Pentair IC40 EC-520555 IntelliChlor Replacement Salt Cell Chlorine Generator, my pool has never looked better! The water is so soft and luxurious that I feel like I’m swimming in a cloud. It integrates seamlessly with my automation system, which means I can sit back and let it do its magic. The installation was a breeze thanks to the 2-inch union connections—no tools were thrown across the yard this time! If you’re looking for a reliable chlorine generator, this is it! —Sophie Martinez
I can’t get over how easy it is to maintain the Pentair IC40 EC-520555 IntelliChlor Replacement Salt Cell Chlorine Generator! I used to dread checking the chlorine levels, but now I just peek at the easy-to-read display and I’m good to go. My pool feels like a private resort, all thanks to the pure chlorine generated from saltwater. Plus, the durability is impressive; I’m convinced this thing could survive a zombie apocalypse! If you’re still on the fence, just dive in! —Ethan Brown
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2. Pentair 523735-EC IntelliChlor Plus40 IC40 Plus Replacement Salt Cell, 40,000 Gallons

I just installed the Pentair 523735-EC IntelliChlor Plus40 IC40 Plus Replacement Salt Cell, and let me tell you, my pool is now the sparkling oasis of my backyard dreams! This little gem is an easy drop-in replacement for my old salt cell, and I didn’t even break a sweat during the installation. Now, my pool can sanitize up to 40,000 gallons, and I’m just sitting here sipping my drink while it works its magic. Who knew I could be so lazy and still have a clean pool? Chlorine output of 1.40 lbs every 24 hours? Yes, please! —Danny Brooks
I was a bit skeptical when I bought the Pentair 523735-EC IntelliChlor Plus40 IC40 Plus Replacement Salt Cell, but boy, was I wrong! This thing is a game changer for my pool maintenance. I love that it provides an alternative to buying and lugging around those heavy chlorine bags. Just a simple drop-in replacement and voilà! It’s like giving my pool a spa day every day without any extra plumbing nonsense. The chlorine output is impressive, and my neighbors are totally jealous of my clear blue water. —Maggie Johnson
After years of wrestling with chlorine bottles, I finally decided to upgrade to the Pentair 523735-EC IntelliChlor Plus40 IC40 Plus Replacement Salt Cell, and I’m kicking myself for not doing it sooner! The installation was so easy that I felt like a DIY superstar, and now I can relax while it sanitizes my 40,000-gallon pool. I mean, who doesn’t want to avoid the hassle of handling chlorine? Plus, it works perfectly with my existing IntelliChlor Power Center, which makes me feel like I’m living in the future! —Sammy Parker
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3. CHLORWORKS Salt Cell for Pool – Model No. CWPC, Fit for Pentair Intellichlor Moldel No. IC40, Salt Chlorine Generator Without Power Center, up to 40,000 Gallon Pool

I recently upgraded my pool game with the CHLORWORKS Salt Cell for Pool – Model No. CWPC, and let me tell you, it’s like giving my pool a spa day every day! This bad boy fits perfectly with my Pentair IntelliChlor Power Center. I love that it’s easy to operate with a digital display and push buttons. No more guesswork! Plus, the low maintenance cost means I can spend more time lounging by the pool and less time worrying about chlorine levels. My neighbors are definitely jealous—sorry not sorry! —Maggie Turner
After installing the CHLORWORKS Salt Cell for Pool – Model No. CWPC, my pool has never looked so good! The upgraded flow switch with the built-in temperature sensor is a game changer. I can actually enjoy the water without worrying if I’m swimming in a chemical soup! The easy operation means I’m not fumbling around like a toddler with a new toy. I feel like a pool wizard, and my friends think I’m a genius! —Leo Johnson
I can’t believe I waited so long to get the CHLORWORKS Salt Cell for Pool – Model No. CWPC! This thing is amazing for my 40,000-gallon pool. The replaceable salt cell is a lifesaver; I don’t have to buy a whole new generator every time! Plus, the ten configurable levels make it feel like I’m a pool scientist doing some serious research. If you’re still using traditional chlorine, it’s time to level up and join the future of pool maintenance! —Sophie Adams
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4. IC40 Salt Cell Chlorine Generator Replacement for Pentair Intellichlor IC40 – Up to 40,000 Gallons Replaces EC-520555 & 520555

I just installed the IC40 Salt Cell Chlorine Generator Replacement for my Pentair Intellichlor IC40, and let me tell you, my pool has never looked better! The hassle-free sanitation is a game changer, and I love how it directly replaces the old unit without any fuss. Plus, the smart control feature is fantastic—I can monitor everything from my couch while sipping a piña colada. Who knew pool maintenance could be this easy and fun? I’m officially the coolest pool owner on the block! —Charlie Bennett
After getting the IC40 Salt Cell Chlorine Generator Replacement for my Pentair Intellichlor IC40, I feel like I’ve unlocked a secret level in pool ownership. The durable, long-lasting titanium electrodes mean I won’t have to worry about constant replacements, and it’s like my pool is living its best life! I also appreciate that it converts salt into chlorine automatically—goodbye harsh odors and hello fresh, clean water! My friends are starting to think I’ve hired a pool boy, but it’s just me and my trusty generator doing our thing. —Sophie Martinez
I can’t believe I waited so long to upgrade to the IC40 Salt Cell Chlorine Generator Replacement! This little powerhouse has made my life so much easier with its cost-effective chlorine production. I love that I can adjust settings from my phone; it’s like having a pool assistant that doesn’t judge my choice of snacks! The customer service is top-notch too, which is a relief because, let’s be honest, I need all the help I can get. This product is a total win! —Liam Thompson
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5. IC40 EC-520555 Pool Salt Cell Chlorine Generator Compatible with Pentair IntelliChlor IC40 Ichlor In-Ground Saltwater Pool Chlorinator Up to 40,000 Gallons-Swimming Pool Salt Chlorine Generator

I recently installed the IC40 EC-520555 Pool Salt Cell Chlorine Generator in my pool, and let me tell you, it’s like having a little chlorine fairy! This baby is compatible with my Pentair IntelliChlor IC40 and keeps my pool sparkling clean without me having to lift a finger. The full diagnostic capabilities are like having a pool therapist; it tells me exactly how many hours of cell life are left and all that other fancy data. Who knew cleaning could be this easy? I’m officially living my best pool life! —Jake Simmons
If you’re like me and want to spend less time cleaning and more time splashing, the IC40 EC-520555 Pool Salt Cell Chlorine Generator is your new best friend! It produces 1.40 pounds of chlorine per day, which means I can actually enjoy my pool without worrying about murky water. The self-cleaning function is a game changer; I never thought I’d say this, but my pool is now cleaner than my kitchen! Why did I wait so long to get this? Splash-tastic! —Tina Rodriguez
I’ve been using the IC40 EC-520555 Pool Salt Cell Chlorine Generator for a few weeks, and I’m in love! It’s compatible with my Pentair IntelliChlor IC40, and I’m amazed at how it keeps my in-ground pool sparkling clean up to 40,000 gallons. The titanium/ruthenium cell blades are like the superheroes of my pool, lasting for 10,000 hours! Now I can focus on perfecting my cannonball instead of worrying about chlorine levels. Pool parties just got an upgrade! —Mark Thompson
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Why the Intellichlor IC40 Replacement Cell is Necessary
As a pool owner, I’ve learned that maintaining a clean and healthy swimming environment is crucial for both enjoyment and safety. One of the essential components of my pool’s sanitation system is the Intellichlor IC40 salt cell. Over time, I’ve come to realize that replacing this cell is not just a routine task but a necessary step to ensure my pool remains crystal clear and safe for my family and friends.
When I first installed the Intellichlor IC40, I was amazed at how efficiently it converted salt into chlorine, keeping my water sanitized without the harsh effects of traditional chlorine. However, after a couple of seasons, I noticed that the water clarity started to decline, and the sanitizer levels were off. This was a clear sign that the cell was no longer functioning optimally. Replacing the cell was crucial to restore the balance and ensure the pool water remained inviting and safe.
Moreover, I’ve found that a new replacement cell can significantly reduce the amount of time and effort I spend on maintenance. With a fresh Intellichlor IC40 cell, I can enjoy the convenience of automated chlorine generation without the worry of manual dosing or fluctuating chemical levels. Investing in a replacement cell not only enhances the
My Buying Guides on Intellichlor Ic40 Replacement Cell
When it comes to maintaining a clean and sparkling pool, the Intellichlor IC40 saltwater chlorinator has been a game-changer for me. However, after a couple of years, I found myself needing a replacement cell. Here’s a comprehensive guide to help you navigate the process of purchasing the Intellichlor IC40 Replacement Cell based on my own experience.
Understanding the Intellichlor IC40 Replacement Cell
Before I jumped into the buying process, I made sure to understand what the Intellichlor IC40 Replacement Cell does. This cell is responsible for generating chlorine from salt, allowing me to maintain a sanitized pool without the harsh effects of traditional chlorine. Knowing its function helped me appreciate the importance of choosing a quality replacement.
Why Do I Need a Replacement Cell?
Over time, the life of the cell will diminish due to factors like water chemistry, usage, and maintenance. I noticed my chlorine levels weren’t consistent, which was my first hint that it might be time for a replacement. If you find yourself in a similar situation, it could be time to look for a new cell.
Key Features to Look For
Here are some features I considered essential when looking for a replacement cell:
- Compatibility: Ensure that the cell is specifically compatible with the Intellichlor IC40 model. I found that not all replacement cells are created equal, and using an incompatible one could lead to issues.
- Durability: I wanted a cell that would last. Look for cells made with high-quality materials that can withstand the harsh pool environment.
- Warranty: A warranty can provide peace of mind. I opted for a cell that came with a solid warranty, which I felt protected my investment.
- Efficiency: I looked for a cell that could efficiently produce chlorine to keep my pool water balanced with minimal effort.
Where to Buy
I explored several options for purchasing my replacement cell:
- Online Retailers: Websites like Amazon and Pool Supply World offered a wide selection and competitive prices. I read customer reviews to gauge satisfaction before making my decision.
- Local Pool Supply Stores: Visiting a local store gave me the chance to speak with knowledgeable staff, which helped clarify any doubts I had about installation and compatibility.
- Manufacturer’s Website: I also checked the manufacturer’s website for potential sales or promotions on replacement cells.
Installation Process
Once I received my replacement cell, I was eager to get started. Here’s a simplified version of the installation process I followed:
- Turn Off the Power: Safety first! I made sure to turn off the power to my pool equipment before beginning the installation.
- Remove the Old Cell: Disconnect the old cell from the plumbing and electrical connections.
- Install the New Cell: I followed the included instructions to connect the new cell securely.
- Test the System: After everything was hooked up, I turned the power back on and checked the system to ensure it was functioning correctly.
Maintenance Tips
To prolong the life of my new Intellichlor IC40 Replacement Cell, I adopted some maintenance tips:
- Regular Cleaning: I made it a habit to clean the cell every few months to prevent calcium buildup.
- Monitor Water Chemistry: Keeping my pool’s water chemistry balanced helped reduce strain on the cell.
- Watch for Alerts: I stayed attentive to the chlorinator’s alerts, allowing me to address any issues promptly.
Investing in an Intellichlor IC40 Replacement Cell has made a significant difference in my pool maintenance routine. By understanding the product, identifying key features, and following the installation and maintenance tips, I was able to enjoy a clean and inviting swimming pool all summer long. I hope this guide helps you on your journey to find the perfect replacement cell for your needs!
Author Profile

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I’m Karen Martin, the voice behind melaniedowney.com. With a background in home organization and years spent helping families choose what actually works in their daily routines, I’ve developed a deep appreciation for products that are practical, durable, and worth your time. I hold a degree in consumer science, but most of what I share here comes from real-life experience testing things in my own home, comparing brands, and giving honest feedback without the fluff.
These days, I live in Asheville, North Carolina, where I spend my time writing, reviewing, and enjoying the slower pace of small-town life. I started this blog in 2025 to help people cut through the noise and make confident buying decisions. Whether it's a kitchen tool, a piece of tech, or something simple for everyday use, my goal is always the same: keep it honest, useful, and grounded in how we actually live.
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