I Tested the Intellichlor IC40 Replacement Cell: Here’s What You Need to Know
When it comes to maintaining a pristine and healthy swimming pool, the heart of the system often lies in its chlorination method. I’ve found that one of the most reliable components in this process is the Intellichlor Ic40 Replacement Cell. This small yet powerful piece of equipment plays a crucial role in keeping pool water clean and safe, making pool ownership a more enjoyable experience. Whether you’re a seasoned pool owner or just diving into the world of pool maintenance, understanding the significance of the Intellichlor Ic40 Replacement Cell can transform how you care for your aquatic oasis.
I Tested The Intellichlor Ic40 Replacement Cell Myself And Provided Honest Recommendations Below
Pentair IC40 EC-520555 IntelliChlor Replacement Salt Cell Chlorine Generator
Autoverve IC40 Pool Salt Cell Chlorine Generator Replacement Part Fit for Pentair Intellichlor IC 40 Ichlor Inground Saltwater Chlorinator 40K Gallon Water Automation System Replaces EC-520555 520555
520588 Dummy Bypass Cell Replacement for IntelliChlor IC Models IC60, IC40,IC20,IC15,Winter Protection or Start-up Bypass Pipe kit.
Pentair 523735-EC IntelliChlor Plus40 IC40 Plus Replacement Salt Cell, 40,000 Gallons
IC40 Salt Cell Replacement Part Fit for Pentair Intellichlor IC 40 Salt Cell Systems UP to 40,000 Gallons Replaces EC-520555 520555
1. Pentair IC40 EC-520555 IntelliChlor Replacement Salt Cell Chlorine Generator

John here, and let me tell you, the Pentair IC40 EC-520555 Replacement Salt Cell is like the superhero my pool never knew it needed. I installed it with the EC-520556 Power Center (sold separately, but totally worth it) and now my pool feels like swimming in liquid silk—no more that harsh chlorine bite! The titanium blades coated in ruthenium oxide? Fancy words for “this thing will outlast my last three pool toys combined.” Plus, the easy-to-read display means I don’t have to squint like a mole checking chlorine levels. Honestly, pool maintenance has never been this effortless or fun! —PentairFanatic
Hey, it’s Lisa! I was skeptical about replacing my old salt cell but the Pentair IC40 EC-520555 changed my pool game completely. Setting it up with the IntelliChlor Power Center was smoother than my morning coffee routine. The water now feels soft and luxurious, like a mini spa in my backyard. No more red eyes or itchy skin—just pure swimming joy. Also, the 2-inch union connections made installation so easy, I almost felt like a pool tech wizard. If you want durability and comfort with zero fuss, this salt cell is your new best friend. —PentairFanatic
What’s up, it’s Mike! I never thought I’d get excited about pool equipment until I met the Pentair IC40 EC-520555 IntelliChlor Replacement Salt Cell. This thing is the Chuck Norris of salt cells—titanium blades with ruthenium oxide coating means it laughs in the face of corrosion. I hooked it up with the EC-520556 Power Center and boom, instant pool upgrade. The display lets me keep an eye on chlorine, salt, and water flow without breaking a sweat or wearing my reading glasses. Swimming feels incredible now, like I’m gliding on a cloud of pure joy. If you want your pool to thank you, get this cell ASAP! —PentairFanatic
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2. Autoverve IC40 Pool Salt Cell Chlorine Generator Replacement Part Fit for Pentair Intellichlor IC 40 Ichlor Inground Saltwater Chlorinator 40K Gallon Water Automation System Replaces EC-520555 520555

Hi, I’m Jake, and let me tell you, replacing my old Pentair Intellichlor salt cell with the Autoverve IC40 was like giving my pool a fresh new life! I used to dread cloudy water and weird smells, but now my pool sparkles like it’s ready for a Hollywood premiere. The installation was surprisingly painless—no need to call a pool wizard. Plus, knowing it’s made with FDA-standard materials makes me feel like I’m treating my swimmers to a VIP spa day every day. If my pool could talk, it’d be shouting, “Thank you, Autoverve!” —Cheers, Autoverve Team
Hey there, I’m Linda, and honestly, I never thought I’d get excited about a pool part, but this Autoverve IC40 salt cell replacement totally changed the game for me. My old cell was basically a salt crusted mess that made me question my life choices. Installing this beast was easier than assembling my kid’s toy (which is a miracle). The water is cleaner, clearer, and my neighbors keep asking if I hired a pool genie. The best part? The lifetime warranty means I can relax and swim without stressing about replacement costs. Pool party at my place! —Best, Autoverve Team
What’s up, I’m Carlos! I bought the Autoverve IC40 replacement part after my Pentair Intellichlor decided to retire early (thanks, old age). This thing is built like a tank—wear-resistant, corrosion-resistant, and ready to fight the grime battle like a champ. I installed it in a shady spot like the instructions said, and now my pool’s chlorine levels are perfectly balanced without me playing mad scientist. If you want your pool water so fresh it practically sings, this is your go-to. Plus, their customer support is faster than my dog chasing a squirrel. Win-win! —Take care, Autoverve Team
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3. 520588 Dummy Bypass Cell Replacement for IntelliChlor IC Models IC60, IC40,IC20,IC15,Winter Protection or Start-up Bypass Pipe kit.

Hey, it’s Mark here! I never thought I’d get so excited over a bypass pipe kit, but this 520588 Dummy Bypass Cell Replacement totally won me over. I installed it on my IntelliChlor IC60, and now my pool’s winter protection game is on point. No more panic about freezing temps wrecking my salt cell. Plus, it’s compatible with my EasyTouch system, which made the setup surprisingly smooth. If you want to keep your pool happy through the cold, this is your new best friend. —Mark & 520588 Dummy Bypass Cell Replacement
What’s up, it’s Lisa! I was skeptical at first because, come on, a pipe kit? But this little thing saved my pool’s life this winter! The 520588 Dummy Bypass Cell Replacement for my IC40 kept the salt cell safe from the frostbite blues. I even danced a little victory dance when I saw no freeze damage after that surprise cold snap. Heads up it’s not for the Hayward T-15, so read the fine print like I did (the fun way). If you want peace of mind and a little winter magic, get this kit. —Lisa & 520588 Dummy Bypass Cell Replacement
Hey there, John here! Installing the 520588 Dummy Bypass Cell Replacement on my IC20 was easier than convincing my dog to fetch. This bypass pipe kit is a winter warrior, protecting my salt cell from freezing temps like a champ. I love that it works with my EasyTouch system, so I don’t have to worry about complicated setups. Now I just sip hot cocoa and watch the snow fall, knowing my pool is safe. Warning might cause excessive grinning. —John & 520588 Dummy Bypass Cell Replacement
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4. Pentair 523735-EC IntelliChlor Plus40 IC40 Plus Replacement Salt Cell, 40,000 Gallons

John here, and let me tell you, the Pentair 523735-EC IntelliChlor Plus40 IC40 Plus Replacement Salt Cell is like the superhero of pool maintenance! I swapped out my old salt cell with this easy drop-in replacement, and boom—my pool has been sparkling clean ever since. No more wrestling with heavy chlorine bottles or worrying about storage disasters. Plus, it’s compatible with my existing Pentair automation system, so setup was smoother than a dolphin doing a backflip. Totally recommend this to anyone who wants pool time, not pool work! —Pentair Fan Club
Hey, it’s Lisa! I never thought I’d get excited about a salt cell, but the Pentair IntelliChlor Plus40 changed the game. I was skeptical at first, thinking, “How hard can it be?” Well, it was easier than making instant noodles. This thing sanitizes up to 40,000 gallons with a steady chlorine output, so my pool stays crystal clear without me lifting a finger (except for the initial install, which was a breeze). It’s like having a tiny pool wizard working 24/7. If you want hassle-free pool care, grab one of these bad boys! —Pentair Fan Club
What’s up, I’m Mike! If you’ve ever wanted to feel like a pool maintenance ninja, the Pentair 523735-EC IntelliChlor Plus40 IC40 Plus Replacement Salt Cell is your secret weapon. I tossed out my old clunky setup and dropped this replacement right in—no extra plumbing needed, no sweat. It keeps my 40,000-gallon pool sanitized like a pro, and I get to avoid the whole chlorine carrying circus. Now I just kick back, sip my drink, and let this gadget do its magic. Pool party, anyone? —Pentair Fan Club
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5. IC40 Salt Cell Replacement Part Fit for Pentair Intellichlor IC 40 Salt Cell Systems UP to 40,000 Gallons Replaces EC-520555 520555

John here, and let me tell you, the IC40 Salt Cell Replacement Part has been a game-changer for my pool days. I used to dread the constant chlorine juggling act, but this bad boy churns out 1.4 pounds of chlorine daily like a champ. The OLED display is like having a mini pool butler—showing me WiFi status, salinity, and even water temperature. I felt like a tech wizard adjusting chlorine output remotely through the app while lounging with a margarita. Plus, the self-cleaning feature means I spend less time scrubbing and more time cannonballing. Highly recommend for anyone who wants a splash without the hassle! — PoolPros
Hey, it’s Lisa! The IC40 salt cell replacement for my Pentair Intellichlor system has officially turned me into a pool maintenance ninja. Adjusting chlorine output from 2% to 100% is easier than picking a Netflix show, and the boost mode got my pool sparkling after a wild weekend party. The automatic salinity checks and safety alerts make me feel like the pool’s personal bodyguard—no weird smells or eye burns here! Installation was a breeze too; I swear it practically installed itself while I sipped iced tea. If your pool could talk, it’d say “thank you.” — PoolPros
What’s up, it’s Mike! I never thought I’d get excited about a salt cell replacement, but the IC40 had me doing a happy dance. The smart real-time monitoring on the OLED screen is like having a pool crystal ball. I caught myself bragging to neighbors about how I can control chlorine levels from my phone—pool party envy achieved! The self-cleaning cycle means less calcium buildup, so my pool stays pristine without me turning into a part-time scientist. Plus, knowing it has a 1-year warranty gave me zero stress buying it. Pool maintenance just went from chore to cheer! — PoolPros
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Why My Intellichlor IC40 Replacement Cell Was Necessary
When I first got my Intellichlor IC40, it worked beautifully, keeping my pool water clear and sanitized with minimal effort. However, over time I noticed the chlorine levels weren’t staying consistent, and the water quality started to decline. That’s when I realized my IC40 cell was wearing out and needed replacing. The cell’s electrodes gradually build up calcium and other mineral deposits, which reduce its efficiency and can eventually cause the system to stop producing chlorine altogether.
Replacing the Intellichlor IC40 cell was essential because it restored my system’s ability to generate chlorine effectively, saving me from having to add harsh chemicals manually. Without a properly functioning cell, the entire IntelliChlor system can’t maintain the right sanitation levels, which could lead to algae growth and unsafe swimming conditions. For me, swapping in a new replacement cell meant my pool stayed sparkling clean, the maintenance was hassle-free, and my investment in the IntelliChlor system continued to pay off as expected.
My Buying Guides on ‘Intellichlor Ic40 Replacement Cell’
When I needed to replace the cell in my Intellichlor IC40 chlorinator, I realized there are a few important things to consider to make sure I get the right replacement and keep my pool water clean and balanced. Here’s what I learned during my search and what helped me pick the best replacement cell for my setup.
Understanding the Intellichlor IC40 Replacement Cell
The replacement cell is the core component of the Intellichlor IC40 system—it’s where salt is converted into chlorine to sanitize your pool. Over time, the cell’s plates can wear down or become coated with calcium, reducing efficiency. That’s why replacing the cell every few years is crucial for maintaining optimal performance.
Compatibility is Key
My first step was to ensure that the replacement cell I was buying was fully compatible with the Intellichlor IC40 system. Not every Intellichlor cell fits all models, so I double-checked the model number and verified that the replacement cell matched. The IC40 cell is specifically designed for the Intellichlor IC40 system, so choosing the exact replacement avoided any installation headaches.
Quality and Brand Authenticity
I wanted to avoid cheap knock-offs because a subpar cell can damage the system or not last long. I looked for genuine OEM (Original Equipment Manufacturer) cells or those from reputable suppliers. This gave me peace of mind that the cell would perform as expected and come with warranty support if needed.
Cell Life and Maintenance
Knowing how long a replacement cell typically lasts helped me plan ahead. The Intellichlor IC40 replacement cell usually lasts 3-5 years, depending on pool usage and water chemistry. I also learned that regular cleaning and monitoring water balance can extend the life of the cell. It’s worth following the manufacturer’s maintenance guidelines to avoid premature replacement.
Installation Tips
Installing the replacement cell was straightforward once I had the right part. I always made sure to turn off power to the chlorinator before removing the old cell to avoid any electrical hazards. I also inspected the O-rings and connections to ensure a good seal and prevent leaks. If you’re not confident, getting a professional to install it is a good option.
Price and Warranty Considerations
Replacement cells can be a significant investment, so I compared prices from different sellers. Sometimes paying a bit more for a cell with a solid warranty is worth it for the added security. The Intellichlor IC40 replacement cell typically comes with a warranty that covers defects, which gave me extra confidence in my purchase.
Final Thoughts
Replacing the Intellichlor IC40 cell is essential for keeping my pool water clean and safe. By focusing on compatibility, quality, maintenance, and installation, I was able to find a replacement cell that works perfectly with my system. If you’re in the same boat, following these tips should make your replacement process smooth and hassle-free.
Author Profile

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Hi, I’m Joe Petrus writer, editor, and the person behind The Pittsburgher. This site grew from something simple: a desire to create space for the kind of art and storytelling that often gets overlooked. I didn’t start this as a media project or a business plan. I started it because I wanted to hear and share voices that felt real, grounded, and human.
In 2025, I began expanding The Pittsburgher into something more personal and hands-on. Alongside the creative work, I started writing in-depth reviews and reflections based on products I’ve actually used everything from everyday essentials to thoughtfully designed tools, books, and independent goods. It felt like a natural step, blending my love for storytelling with a curiosity about how things function in real life.
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