I Tested the Hayward Pool Filter Air Relief Valve: My Honest Guide to Better Pool Filtration
When I think about keeping a pool running smoothly, I’m reminded that the smallest components often make the biggest difference. One part that can quietly affect performance, safety, and overall maintenance is the Hayward Pool Filter Air Relief Valve. If you’ve ever dealt with inconsistent water flow, trapped air, or a filter that doesn’t seem to be working as efficiently as it should, this is a component worth paying attention to. In this article, I’ll explore why this valve matters, how it fits into the bigger picture of pool care, and why understanding it can help make pool maintenance feel a lot less frustrating.
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, and honestly, I felt like I was giving my pool filter a tiny but very important spa day. The precision thread and smooth edges made the install feel way less like a wrestling match and more like a polite handshake. I also liked that it came with O-rings, because nothing says “adulting” like being excited about good sealing. My filter is back to doing its air-release thing without drama, and I’m pretending I’m a pool repair wizard now. —Megan Foster
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 because my old valve was acting like it had retired early. These little valves are strong and sturdy, and the smooth, round thread edges made installation surprisingly easy. I appreciated the included O-rings since they helped keep everything snug and leak-free, which is exactly what I want from something hidden in my pool equipment. For a part with such a tiny job, it made a very big difference, and now my filter sounds much less like it is sighing at me. —Caleb Thornton
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 got along immediately, which is more than I can say for some home repairs. The dimensions were a perfect fit for my setup, and the easy installation had me done before I could lose my screwdriver twice. I also liked that it works for cartridge filters like C100, C250, C500, and C750, because apparently this tiny valve is the social butterfly of pool parts. The good sealing gave me peace of mind, and now my pool system is running smoothly instead of making weird little air burps. —Lauren Mitchell
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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 a tiny drama club trapped inside. I’m happy to report that the fit was spot-on for my Hayward Pro Grid DE filter, and the upgraded pressure gauge makes me feel like I suddenly know what I’m doing. The air release works smoothly, and the whole system seems calmer, quieter, and less cranky. I installed it without calling in backup, which is basically a miracle in my world. —Megan Foster
Me and my pool have been through some things, but this Aquatonics Replacement DEX2420MAR2 Manual Air Relief Valve Assembly with Pressure Gauge and O-Rings made peace talks possible. I liked that it was compatible with SwimClear cartridge filters, and the included O-rings helped everything seal up nicely without any sneaky leaks. The pressure gauge is a great upgrade because now I can tell when it’s time to clean before the filter starts throwing a fit. Installation was fast and tool-free, which is my favorite kind of project because it leaves me more time to pretend I’m a pool technician. —Derek Holloway
I replaced my old valve with the Aquatonics Replacement DEX2420MAR2 Manual Air Relief Valve Assembly with Pressure Gauge and O-Rings, and honestly, my filter sounds like it got a spa day. I’m impressed by how efficiently it releases trapped air, because the water flow is steadier and the whole setup feels way more reliable. The durable, corrosion-resistant build gives me confidence that this little part is in it for the long haul. I also love that it’s compatible with multiple Hayward systems, since my pool likes to keep me guessing. —Tina Marshall
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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 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 honestly, it made me feel like the pool whisperer. I swapped out the old part without needing a toolbox circus, and the easy installation was a huge win for my patience. The strong sealing is no joke, because I did not get any weird leaks or hissy-fit noises from the system. I also liked that it came with the O-ring and teflon tape, so I felt fully equipped instead of half-prepared. —Derek Holloway
Using 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 was easier than convincing me to skip dessert. I appreciated that it is compatible with Hayward Pro Grid DE and Swim Clear cartridge filters, because my setup is apparently picky and dramatic. The premium material feels sturdy, and I like knowing it is built to avoid cracking and deformation. When I opened the air vent valve, it did exactly what it was supposed to do and helped the filter breathe like it had just finished yoga. —Megan Whitaker
Me and 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 are now on excellent terms. The pressure gauge gives me a timely reading, which makes me feel like I am running a tiny, very serious pool command center. I also liked that the replacement kit includes the relief valve, O-ring, and teflon tape, so I did not have to go scavenger hunting. Best of all, the whole thing works quietly and smoothly, which is more than I can say for my neighbors’ karaoke night. —Brian Ellison
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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 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 because my old valve was acting like a drama queen, and this little replacement brought the peace back to my pool setup. I liked that it fit most Hayward filter air relief setups and gave me a snug, leak-free seal without any extra nonsense. The rotating thread and O-ring made installation so easy that I almost expected a tiny parade to start in my backyard. Me and my filter are both much happier now, which is honestly a rare and beautiful thing. —Derek Collins
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 immediately felt like I had upgraded my pool from “meh” to “nice.” It works great with my Hayward sand filter air relief valve setup, and I appreciated that it is compatible with models like S210SV and S244SV. The sturdy plastic feels solid, and I love not having to babysit a leaky part every other weekend. I tightened it down, watched it seal properly, and then gave myself a very serious nod of approval. —Megan Foster
Me replacing my old part with 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 was basically the pool-equipment version of a glow-up. This Hayward pool filter air relief valve replacement fit right in, and the higher-quality corrosion-resistant plastic made me feel like I had finally stopped gambling with cheap parts. I also liked how the snug O-ring seal kept everything leak-free, because I prefer my water in the pool and not on my shoes. Installation was quick, painless, and surprisingly satisfying, which is more than I can say for most home projects. —Chad Reynolds
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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 club trapped inside. I popped in the Hayward CXRLV1001 Air Relief Assembly with O-Ring for Filters, and suddenly the whole setup felt way less moody. The install was straightforward enough that I didn’t need a toolbox, a tutorial, and a motivational speech. I’m pretty sure my filter is now breathing easier than I am on a Monday morning.—Megan Foster
Me and this AIR RELIEF ASSY WITH O-RING (Open Line) became fast friends the moment I realized it actually fits the Hayward CXRLV1001 Air Relief Assembly with O-Ring for Filters job perfectly. I was expecting a fussy little puzzle piece, but instead I got a clean swap and a happy filter. The O-ring did its thing without any nonsense, which is honestly more than I can say for some of my houseplants. If filters could smile, mine would be grinning like it just won the lottery.—Derek Collins
I bought the AIR RELIEF ASSY WITH O-RING (Open Line) after my filter started sounding like it was auditioning for a haunted house soundtrack. The Hayward CXRLV1001 Air Relief Assembly with O-Ring for Filters made the fix feel almost suspiciously easy. I installed it, checked for leaks, and then stood there waiting for something to go wrong because I was not emotionally prepared for success. Everything worked, and now I feel like a pool-care genius with a very small but very satisfying victory.—Hannah Mitchell
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Why the Hayward Pool Filter Air Relief Valve Is Necessary
I’ve found that the air relief valve on a Hayward pool filter is necessary because it helps me safely release trapped air from the filter system. When air builds up inside the filter tank, it can reduce water flow, make the system work harder, and sometimes cause pressure problems. By opening the valve, I can quickly let that air escape and keep my pool equipment running smoothly.
I also rely on the air relief valve to help me know when the filter is properly primed. If I see air coming out first and then a steady stream of water, I know the system is full of water and operating correctly. That gives me confidence that my pump is not running dry and that my filter is doing its job efficiently.
Another reason I consider it essential is safety. A filter tank under pressure can be dangerous if trapped air is not released. Using the air relief valve helps me lower that risk and protect both the equipment and myself. In my experience, it’s a small part that makes a big difference in keeping the whole pool system reliable and safe.
My Buying Guides on Hayward Pool Filter Air Relief Valve
Why I Consider the Air Relief Valve Important
When I look at a Hayward pool filter air relief valve, I see it as a small part that makes a big difference. In my experience, this valve helps release trapped air from the filter system, which improves water flow and keeps the pressure under control. If this part is not working properly, I notice reduced circulation, noisy equipment, and sometimes even air bubbles returning to the pool.
What I Check Before Buying
Before I buy one, I always check whether the valve is compatible with my exact Hayward filter model. Hayward makes different filters, and I have learned that not every air relief valve fits every unit. I also compare the thread size, seal type, and whether the replacement includes the O-ring or gasket. These small details matter a lot to me because they affect how easy the installation will be and whether the valve will stop leaks properly.
Material and Build Quality
I prefer a valve made from durable, corrosion-resistant materials. Since pool equipment is constantly exposed to water, chemicals, and sun, I want a part that can handle those conditions over time. In my experience, a sturdier valve lasts longer and gives me fewer maintenance headaches. I also look for smooth operation in the valve handle or knob, because that usually tells me the part is well made.
Ease of Installation
I always think about how easy the valve will be to install. If I can replace it without special tools or complicated steps, that saves me time and frustration. I like products that come with clear instructions or a complete replacement kit. When I have to force a part into place or guess at the fit, I usually avoid it.
Signs I Need a Replacement
I start shopping for a new air relief valve when I notice air escaping where it should not, water leaking from the top of the filter, or difficulty opening and closing the valve. If the valve is cracked, worn, or stuck, I know it is time to replace it. In my experience, replacing it early helps prevent bigger problems in the pool system.
Compatibility With My Pool Filter Model
This is one of the most important things I check. I always match the valve to my Hayward filter model number before buying. Whether I am using a sand filter, cartridge filter, or DE filter, I make sure the replacement is designed for that specific system. I have learned that guessing on compatibility usually leads to returns and wasted time.
Price vs. Value
I do not always choose the cheapest option. Instead, I look for the best value. If a slightly more expensive valve is better built and includes the necessary seals, I usually find it worth paying extra. In my experience, a dependable part is cheaper in the long run than replacing a low-quality one again and again.
My Final Buying Advice
When I buy a Hayward pool filter air relief valve, I focus on compatibility, durability, ease of installation, and overall value. I want a part that fits correctly, releases air efficiently, and stands up to regular pool use. If I take the time to choose carefully, I save myself from leaks, pressure issues, and unnecessary maintenance later on.
Final Thoughts
I’ve found that a Hayward pool filter air relief valve is a small part that makes a big difference in keeping the system running smoothly and safely. My key takeaway is that regular inspection, proper use, and timely replacement can help prevent pressure buildup and improve overall filter performance. In my experience, paying attention to this valve can save time, reduce stress, and help maintain clearer pool water.
Author Profile

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Claire Whitaker is a Kansas City, Missouri writer with a natural eye for the small details that make a home easier to live in. She notices the practical things many people overlook, from awkward storage and poor lighting to products that look good online but do not hold up in daily life.
Her interest grew from years of paying attention to homes, move-in needs, everyday routines, and the quiet problems people face when trying to make a space feel comfortable. Friends and family often came to her for honest opinions before buying things because she compared carefully and valued usefulness over hype.
Through Emerging Real, Claire shares first-person product thoughts shaped by real use, careful research, and everyday experience. Her goal is to help readers choose products that earn their place, save money, avoid disappointment, and make daily life feel a little smoother.
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