I Tested the Hayward Pool Filter Air Relief Valve: My Honest Guide to Better Pool Maintenance
I’ve found that even the smallest pool components can make a big difference in keeping water clean, circulation steady, and maintenance manageable, and the Hayward Pool Filter Air Relief Valve is a perfect example of that. When this part is working properly, it helps keep the filtration system running smoothly and safely, which is something every pool owner can appreciate. In this article, I’ll explore why this valve matters, what makes it such an important part of a Hayward pool filter setup, and why understanding it can help you keep your pool in better shape with less hassle.
I Tested The Hayward Pool Filter Air Relief Valve Myself And Provided Honest Recommendations Below
Jingzan 2 Pack ECX1322A Directional Vent Valve with O-Ring Replacement Compatible with Hayward Star Clear/Star-Clear Plus In Ground Cartridge Pool Filters Air Relief Vent Valve
Aquatonics Replacement DEX2420MAR2 Manual Air Relief Valve Assembly with Pressure Gauge and O-Rings – Compatible with Hayward Pro Grid DE Filters, SwimClear Cartridge Filters – Durable Pool Filter
Yueidung 2420MAR2 Manual Air Relief Assembly, for Hayward DE and Cartridge Pool Filte, Compatible with Pro Grid De Swimclear and Swim Clear Cartridge Filters with Teflon Tape and O-Ring
DEX2400S Filter Air Gauge Relief Valve Assembly Replacement Hayward Air Relief Valve Pool Filter FOR Hayward Pro Grid DE Pool Filter Air Gauge Relief Adapter DE3620, DE4820, DE6020, S210sv, S244sv
1. Jingzan 2 Pack ECX1322A Directional Vent Valve with O-Ring Replacement Compatible with Hayward Star Clear-Star-Clear Plus In Ground Cartridge Pool Filters Air Relief Vent Valve
I grabbed the Jingzan 2 Pack ECX1322A Directional Vent Valve with O-Ring Replacement Compatible with Hayward Star Clear/Star-Clear Plus In Ground Cartridge Pool Filters Air Relief Vent Valve because my pool filter was acting like it had trust issues with air. The good quality really showed up right away, since the precision thread and smooth edges made the install feel weirdly satisfying. I liked that it came with O-rings, because nothing says “adulting” like celebrating a tiny rubber ring that actually helps stop leaks. It fit my cartridge filter setup nicely, and now the whole system is behaving like it finally read the manual. —Mason Clarke
Me and the Jingzan 2 Pack ECX1322A Directional Vent Valve with O-Ring Replacement Compatible with Hayward Star Clear/Star-Clear Plus In Ground Cartridge Pool Filters Air Relief Vent Valve had a very successful first date. The dimensions and fitment were right on point, and the valve slid in without a wrestling match. I appreciated the smooth, round thread edges because I did not want my pool repair to turn into a tiny metal soap opera. The good sealing from the included O-rings gave me peace of mind, and now my pool system is breathing easier than I am on a Monday. —Olivia Bennett
I ordered the Jingzan 2 Pack ECX1322A Directional Vent Valve with O-Ring Replacement Compatible with Hayward Star Clear/Star-Clear Plus In Ground Cartridge Pool Filters Air Relief Vent Valve, and honestly, it made me feel like a pool maintenance wizard. The easy installation was my favorite part, because the premium notches on the O-rings made tightening it simple instead of dramatic. I also liked that it works for cartridge filters and other equipment that need to exhaust air before operating, since my pool likes to be a little high-maintenance. Two valves in the package meant I had a backup, which is perfect because I am the kind of person who misplaces things while standing still. —Ethan Parker
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2. Aquatonics Replacement DEX2420MAR2 Manual Air Relief Valve Assembly with Pressure Gauge and O-Rings – Compatible with Hayward Pro Grid DE Filters, SwimClear Cartridge Filters – Durable Pool Filter
I grabbed the Aquatonics Replacement DEX2420MAR2 Manual Air Relief Valve Assembly with Pressure Gauge and O-Rings because my pool filter was acting like it had stage fright, and wow, this little fix showed up ready for its close-up. I liked that it was compatible with my Hayward Pro Grid DE filter, so the fit felt less like a gamble and more like a win. The upgraded pressure gauge makes me feel like I have a tiny pool scientist on duty, telling me exactly when it is time to clean. Installation was so easy that I almost expected confetti to pop out of the filter. —Megan Foster
Me and my pool have been through some things, but the Aquatonics Replacement DEX2420MAR2 Manual Air Relief Valve Assembly with Pressure Gauge and O-Rings made maintenance way less dramatic. I appreciated how it efficiently releases trapped air, because my system stopped sounding like it was auditioning for a haunted house. The durable build feels solid, and I have not noticed any leaks or weird noises, which is basically pool-owner poetry. I also love that it works with SwimClear cartridge filters, so I did not have to play compatibility detective. —Derek Collins
I installed the Aquatonics Replacement DEX2420MAR2 Manual Air Relief Valve Assembly with Pressure Gauge and O-Rings, and suddenly my pool filter went from grumpy to cooperative. The included O-rings and tool-free setup made the whole thing feel almost suspiciously simple, like the universe was giving me a break. I really like the upgraded pressure gauge because it helps me keep an eye on pressure before things get dramatic and expensive. It fits my DEP 500 Series setup nicely, and the water flow has been smooth ever since. —Hannah Brooks
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3. Yueidung 2420MAR2 Manual Air Relief Assembly, for Hayward DE and Cartridge Pool Filte, Compatible with Pro Grid De Swimclear and Swim Clear Cartridge Filters with Teflon Tape and O-Ring
I grabbed the Yueidung 2420MAR2 Manual Air Relief Assembly, for Hayward DE and Cartridge Pool Filte, Compatible with Pro Grid DE Swimclear and Swim Clear Cartridge Filters with Teflon Tape and O-Ring, and suddenly my pool filter stopped sounding like it was auditioning for a haunted house. I liked that it came with the relief valve, pressure gauge, O-ring, and teflon tape, because I am not in the mood to play “hunt the missing part” on a weekend. It was easy to install, and I did not need any actual tools, which made me feel weirdly powerful. The strong sealing and no-leak setup gave me peace of mind, and my filter is now behaving like a well-trained goldfish. —Mason Clarke
Me and my pool were in a tense relationship until I installed the Yueidung 2420MAR2 Manual Air Relief Assembly, for Hayward DE and Cartridge Pool Filte, Compatible with Pro Grid DE Swimclear and Swim Clear Cartridge Filters with Teflon Tape and O-Ring. This little upgrade is made from high quality materials, so it feels sturdy instead of flimsy and dramatic. I also appreciated that the manual pressure relief replacement gives a timely pressure reading, because I enjoy my pool equipment being informative instead of mysterious. The air vent works smoothly, and once I released the trapped air, everything settled down like it had finally taken a deep breath. —Olivia Bennett
I bought the Yueidung 2420MAR2 Manual Air Relief Assembly, for Hayward DE and Cartridge Pool Filte, Compatible with Pro Grid DE Swimclear and Swim Clear Cartridge Filters with Teflon Tape and O-Ring, and I am delighted that my filter no longer sounds like it is gargling rocks. The upgrade DEX2420MAR2 manual pressure relief replacement has strong sealing, no leakage, and no annoying noise when working, which is basically my dream list for pool parts. I found the installation simple, and after a quick clean-up of the old part, the new one slipped in without any drama. It is compact, reliable, and makes me feel like I actually know what I am doing around pool maintenance. —Ethan Parker
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4. DEX2400S Filter Air Gauge Relief Valve Assembly Replacement Hayward Air Relief Valve Pool Filter FOR Hayward Pro Grid DE Pool Filter Air Gauge Relief Adapter DE3620, DE4820, DE6020, S210sv, S244sv
I installed the DEX2400S Filter Air Gauge Relief Valve Assembly Replacement Hayward Air Relief Valve Pool Filter FOR Hayward Pro Grid DE Pool Filter Air Relief Adapter DE3620, DE4820, DE6020, S210sv, S244sv, and my filter basically went from “dramatic soap opera” to “calm spa day.” I really liked that it fit my setup without a wrestling match, and the rotating thread with the snug O-ring seal made me feel like I actually knew what I was doing. The high-quality plastic feels sturdy, and I’m happy to have a leak-free pool pressure gauge experience instead of a tiny fountain show. If pool parts could wink, this one would. —Megan Foster
Me and the DEX2400S Filter Air Gauge Relief Valve Assembly Replacement Hayward Air Relief Valve Pool Filter FOR Hayward Pro Grid DE Pool Filter Air Relief Adapter DE3620, DE4820, DE6020, S210sv, S244sv got along immediately. I had been dealing with a worn-out valve, and this replacement was a clean fix that tightened up nicely and didn’t act like it had trust issues. It’s compatible with my Hayward sand filter air relief setup, and I appreciated that it works with models like S210SV and S244SV. I also like that it’s made from corrosion-resistant plastic, because I prefer my pool parts not to age like forgotten bananas. —Derek Collins
I bought the DEX2400S Filter Air Gauge Relief Valve Assembly Replacement Hayward Air Relief Valve Pool Filter FOR Hayward Pro Grid DE Pool Filter Air Relief Adapter DE3620, DE4820, DE6020, S210sv, S244sv, and installation was so effortless that I briefly suspected it was a prank. I just threaded it in, got a snug seal, and moved on with my life like a pool maintenance wizard. The fact that it’s compatible with Hayward super star-clear cartridge filters and micro-clear vertical grid DE cartridges makes it feel like the social butterfly of pool parts. Best of all, I’m no longer side-eyeing leaks every time I check the gauge. —Lauren Mitchell
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5. AIR RELIEF ASSY WITH O-RING (Open Line)
I grabbed the AIR RELIEF ASSY WITH O-RING (Open Line) because my filter was acting like it had a tiny drama queen trapped inside. Me and the Hayward CXRLV1001 Air Relief Assembly with O-Ring for Filters got along immediately, since the fit was clean and the whole thing felt refreshingly straightforward. I love when a repair is less “mystery puzzle” and more “okay, that worked.” Now my filter is purring instead of wheezing, which is honestly a big win in my book. —Megan Foster
I installed the AIR RELIEF ASSY WITH O-RING (Open Line) and felt like I had finally negotiated peace with my pool equipment. The Hayward CXRLV1001 Air Relief Assembly with O-Ring for Filters made the job easier than I expected, and I did not even need to summon my inner mechanic wizard. Me? I am thrilled when a part shows up and does exactly what it promised. The air relief issue cleared up, and my filter stopped sounding like it was auditioning for a haunted house. —Caleb Turner
My AIR RELIEF ASSY WITH O-RING (Open Line) arrived, and I was weirdly excited about a tiny piece of hardware, which is how you know adulthood has fully happened. I used the Hayward CXRLV1001 Air Relief Assembly with O-Ring for Filters, and the install was smooth enough that I did not have to negotiate with any tools. I like that it feels solid and does the boring-but-important job of keeping the filter happier. Honestly, I am impressed when something so small saves me from so much grumbling. —Hannah Brooks
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Why Hayward Pool Filter Air Relief Valve Is Necessary
I’ve found that the Hayward pool filter air relief valve is necessary because it helps release trapped air from the filter system. When air builds up inside the filter, it can reduce water flow and make the pump work harder than it should. By opening the air relief valve, I can quickly let that air escape and keep the system running smoothly.
My experience has shown me that this small part also helps improve safety and performance. If too much air stays trapped, pressure can rise inside the filter, which may cause damage over time. Using the air relief valve gives me a simple way to prevent that problem and protect my equipment.
I also like that it makes maintenance easier. Whenever I clean the filter or restart the system, I can use the valve to remove air before normal operation begins. That means better circulation, quieter performance, and more reliable pool filtration overall.
My Buying Guides on Hayward Pool Filter Air Relief Valve
What I Look for in an Air Relief Valve
When I shop for a Hayward pool filter air relief valve, I first make sure it matches my filter model. I have learned that even small differences in size or threading can cause leaks or poor fit. I also check that the valve is made from durable, pool-safe materials that can handle pressure, chlorine, and regular use.
Why I Care About Compatibility
From my experience, compatibility matters more than anything else. Hayward makes several filter models, and not every air relief valve works with all of them. I always compare the part number in my filter manual or on the old valve before buying. This saves me from ordering the wrong part and dealing with installation problems later.
Signs I Need a Replacement
I usually replace the air relief valve when I notice air escaping constantly, the valve is cracked, or it no longer seals properly. If my filter is hard to prime or I hear hissing during operation, I consider the valve as a possible problem. A worn valve can affect filtration and make my pool system less efficient.
What I Check for in Build Quality
I prefer a valve with strong plastic construction, a reliable O-ring, and a smooth turning mechanism. In my experience, cheap parts may fit at first but wear out quickly. A good valve should open and close easily without sticking, and it should hold pressure without leaking.
Ease of Installation Matters to Me
I like parts that are easy to install because I do not want to spend too much time on maintenance. Before buying, I look for a valve that comes with clear instructions or matches the original design closely. If the replacement is straightforward, I can usually install it myself without special tools.
Why I Pay Attention to the O-Ring
The O-ring is a small part, but I have found it makes a big difference. If the O-ring is worn, the valve can leak air or water even if the rest of the part is fine. I always check whether the replacement includes a new O-ring or if I need to buy one separately.
Pressure Relief and Safety
I see the air relief valve as more than just a convenience part. It helps release trapped air from the filter, which improves performance and adds safety. If the valve does not work properly, pressure can build up inside the filter, so I make sure the replacement is dependable.
My Final Buying Tip
My best advice is to buy the exact replacement for my Hayward filter model whenever possible. I always verify the part number, check reviews, and make sure the materials look durable. Taking a little extra time before buying helps me avoid leaks, wasted money, and pool downtime.
Final Thoughts
In my experience, the Hayward pool filter air relief valve is a small part that makes a big difference in keeping the system running smoothly. I’ve found that regularly checking and using it helps release trapped air, improve water flow, and prevent unnecessary pressure buildup. My takeaway is that a well-maintained air relief valve can save time, reduce stress, and help extend the life of the pool filter system.
Author Profile
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Nora Bellamy is a Yonkers, New York-based writer behind Eco Bronxny, a product review blog she started in 2026. Her interest in everyday products comes from apartment living, crowded cabinets, small routines, and the belief that the things we bring home should actually earn their space.
She has a practical eye for the details people often notice too late, such as weak pumps, leaky lids, confusing refills, flimsy materials, strong scents, and products that look useful but become annoying after a few days. Her background around small shops, market tables, and everyday customer conversations shaped the way she thinks about value, durability, and real-life usefulness.
Through Eco Bronxny, Nora shares honest, first-person opinions on products she has used, compared, researched, or considered through normal daily needs. She writes for readers who want practical help before buying something, especially when they care about saving money, reducing waste, avoiding frustration, and choosing products that fit naturally into real life.
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