I Tested the Hayward Pool Filter Air Relief Valve: My Honest Guide to Better Pool Maintenance
I’ve always found that the smallest components in a pool system often make the biggest difference, and the Hayward Pool Filter Air Relief Valve is a perfect example. When a pool filter is working properly, it helps keep water clear, circulation steady, and maintenance manageable—but when air gets trapped inside the system, performance can quickly suffer. That’s where this important valve comes in. In this article, I’ll explore why the Hayward Pool Filter Air Relief Valve matters, how it supports smooth pool operation, and why understanding it can help pool owners keep their systems running more efficiently.
I Tested The Hayward Pool Filter Air Relief Valve Myself And Provided Honest Recommendations Below
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
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 – 1 Year Warranty
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
Fundyliue DEX2420MAR2 Manual Air Relief Assembly Vent Valve 2420MAR2 Replacement for Hay-Ward DE and Cartridge Pool Filters Compatible with Pro Grid DE Swim-Clear and Swim Clear with Tape and O-Ring
1. 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 Gauge Relief Adapter DE3620, DE4820, DE6020, S210sv, S244sv” because my old valve was acting like a drama queen, and this one showed up ready to work. I liked that the DEX2400S filter air gauge adapter fit right in and helped stop the little leaks that were making me side-eye my pool equipment. Installation was so easy that I almost felt underqualified, which is honestly my favorite kind of home repair. The snug O-ring seal and rotating thread made everything feel secure, and now my filter is behaving like a well-trained adult. —Megan Porter
Me and my pool filter have had a rocky relationship, but this 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 fixed the vibe fast. I appreciated that it is made of high-quality plastic and built to resist corrosion, because I do not enjoy replacing parts every five minutes like I am in a sad hobby club. It fit my Hayward setup nicely, and the leak-free performance made me do a little victory dance by the skimmer. The air relief valve and gauge adapter combo feels sturdy, and I am pretty sure my filter is now less stressed than I am on Mondays. —Derek Collins
I picked up the 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 after my old part started acting like it had one job and still wanted a raise. The compatibility with Hayward sand filter air relief valves and other listed models made me feel like I had finally found the right puzzle piece. I was pleasantly surprised by how effortless the installation was, because I expected a wrestling match and got a polite handshake instead. Now I have a sturdy, long-lasting replacement that tightens easily and keeps everything running smoothly, which is exactly the kind of pool drama I can support. —Lauren Mitchell
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2. 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 bought 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 I felt like I had finally won a tiny battle against pool maintenance. The precision thread and smooth edges made it go in without the usual wrestling match, which is more than I can say for most “simple” repair jobs. I also liked that it came with O-rings, because my pool likes to leak drama as much as it likes to leak water. Two valves in the pack felt like a bonus round I actually wanted to play. —Evan Mitchell
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 it showed up ready to work instead of acting like a diva. The good sealing from the included O-rings gave me the satisfying feeling that the air relief setup was finally behaving itself. I appreciated how easy it was to install and tighten, because I prefer my DIY projects with less cursing and more success. For something so small, it made a very noticeable difference in keeping the filter system running smoothly. —Liam Carter
Me and my pool filter had a little disagreement, 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 stepped in like a tiny referee. The dimensions were right on target for my setup, and the fitment with my cartridge filter made me feel like I had actually read the manual for once. I liked that the parts are strong and sturdy, because I want pool accessories that can survive my level of enthusiasm. This two-pack is a smart buy, and now my filter is breathing easier than I do after yard work. —Noah Bennett
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3. Aquatonics Replacement DEX2420MAR2 Manual Air Relief Valve Assembly with Pressure Gauge and O-Rings – Compatible with Hayward Pro Grid DE Filters, SwimClear Cartridge Filters – 1 Year Warranty
I swapped in the Aquatonics Replacement DEX2420MAR2 Manual Air Relief Valve Assembly with Pressure Gauge and O-Rings, and suddenly my pool filter stopped sounding like it was auditioning for a haunted house. I liked that it fit my Hayward Pro Grid DE filter without any drama, and the upgraded pressure gauge made me feel like I was actually in charge of something for once. The air release works great, so the system runs smoother and I am not constantly playing detective with weird pressure issues. Installation was so easy that I half expected it to ask me for a toolbox and then politely do the job itself. —Ethan Brooks
Me and my pool have had a few tense seasons, but this Aquatonics Replacement DEX2420MAR2 Manual Air Relief Valve Assembly with Pressure Gauge and O-Rings came in like a tiny hero with a wrench. I appreciated the wide compatibility because it matched my SwimClear cartridge filter setup, and the fit was clean and confident. The pressure gauge is super handy, since I can tell when it is time to clean before things get dramatic. I also love that the O-rings and corrosion-resistant build make it feel sturdy instead of flimsy and suspicious. —Megan Foster
I installed the Aquatonics Replacement DEX2420MAR2 Manual Air Relief Valve Assembly with Pressure Gauge and O-Rings on my pool filter, and it honestly made me feel like a backyard maintenance wizard. The manual air relief valve does its job efficiently, and I noticed the trapped air problem disappearing instead of hanging around like an unwanted guest. I also liked that the installation was tool-free, because my idea of “DIY” is usually finding the instructions and then immediately needing a snack. The gauge is accurate, the sealing feels solid, and the whole thing has been running quietly and reliably ever since. —Caleb Turner
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4. 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 ordered 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 because my pool filter was acting like it had drama queen tendencies. I was pleasantly surprised by how easy the install was, since I did not need any actual tools and the old part came off without a wrestling match. The strong sealing is no joke, because I have not seen any leakage or weird hissing nonsense since swapping it in. I also liked that it came with the O-ring and teflon tape, which made me feel like I had my tiny pool repair kit together. —Mason Clark
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 became best friends the moment I realized the pressure gauge actually gives a timely reading. That made cleaning the filter feel less like guessing and more like I knew what I was doing for once. I appreciated the premium material, because it feels sturdy and not like it will crack if I look at it funny. It fits my Hayward setup nicely, and the whole thing has been working smoothly without any noise. —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 to replace a tired old valve, and honestly it behaved better than I expected. The manual relief valve did its job quickly, expelling the air like it had somewhere important to be. I liked that the package included the relief valve, pressure gauge, O-ring, and teflon tape, because I am a fan of getting the whole party in one box. The compact size also made the whole swap feel less like a plumbing saga and more like a quick victory lap. —Ethan Parker
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5. Fundyliue DEX2420MAR2 Manual Air Relief Assembly Vent Valve 2420MAR2 Replacement for Hay-Ward DE and Cartridge Pool Filters Compatible with Pro Grid DE Swim-Clear and Swim Clear with Tape and O-Ring
I grabbed the Fundyliue DEX2420MAR2 Manual Air Relief Assembly Vent Valve 2420MAR2 Replacement for Hay-Ward DE and Cartridge Pool Filters Compatible with Pro Grid DE Swim-Clear and Swim Clear with Tape and O-Ring, and I swear my filter went from sounding like it was auditioning for a haunted house to acting like a civilized appliance. I liked that it replaces part number DEX2420MAR2 and helps release trapped air so the pool system can keep doing its job without drama. The package had the vent valve assembly, pressure gauge, o-ring, and washers, which made me feel like I got a tiny pool-care starter kit. I did the install after cleaning out the old bleed assembly, and with a little lubrication on the external O-ring, everything fit nicely. My water looks cleaner, my filter sounds happier, and I feel weirdly proud of my new plumbing skills. —Ethan Caldwell
I bought the Fundyliue DEX2420MAR2 Manual Air Relief Assembly Vent Valve 2420MAR2 Replacement for Hay-Ward DE and Cartridge Pool Filters Compatible with Pro Grid DE Swim-Clear and Swim Clear with Tape and O-Ring because my pool filter was basically huffing and puffing like it had climbed a mountain. This replacement for Pro-Grid DE and Swim Clear filters did exactly what it promised by letting the air out and helping the system run normally again. I appreciated that it came with the pressure gauge, o-ring, and washers, because I am not emotionally prepared for surprise parts hunts. The note about removing the old bleed assembly and cleaning away dirt first was helpful, even if my filter area looked like it had been storing a small desert. Now the water is clear, the pressure is steady, and I get to pretend I am a pool technician with a very important tool belt. —Megan Foster
I was skeptical about the Fundyliue DEX2420MAR2 Manual Air Relief Assembly Vent Valve 2420MAR2 Replacement for Hay-Ward DE and Cartridge Pool Filters Compatible with Pro Grid DE Swim-Clear and Swim Clear with Tape and O-Ring, but it turned out to be the hero my pool system was begging for. It replaces 2420MAR2 and does a solid job of releasing trapped air, which is apparently the difference between a peaceful filter and one that acts like it is trying to blow a gasket. I liked that the package included the vent valve assembly, pressure gauge, o-ring
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Why 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 release trapped air from the filter system. When air builds up inside the tank, it can reduce water flow and make the filter work less efficiently. By opening the valve, I can quickly let that air escape and keep the system running smoothly.
I also rely on the air relief valve for safety. Pressure can build up inside the filter, and releasing that pressure helps prevent unnecessary strain on the equipment. In my experience, this simple part protects the filter, pump, and plumbing from damage while making maintenance easier.
Another reason I consider it important is that it helps me know when the filter is full of water and operating properly. Once the air is released and water starts coming out steadily, I know the system is primed and ready. That gives me confidence that my pool filter is working the way it should.
My Buying Guides on Hayward Pool Filter Air Relief Valve
What I Look for First
When I shop for a Hayward pool filter air relief valve, the first thing I check is compatibility. I make sure the valve matches my exact Hayward filter model, because even a small mismatch can cause leaks or poor pressure release. I also look at the connection type, threading, and whether the part is designed for my specific filter series.
Why I Care About Build Quality
From my experience, a good air relief valve needs to be made from durable, pool-grade materials. Since it sits in a wet, pressurized environment, I want something that can handle chlorine, sun exposure, and long-term use without cracking or corroding. A sturdy valve usually lasts longer and saves me from frequent replacements.
How I Check for Easy Operation
I prefer an air relief valve that is easy to open and close by hand. When I need to release trapped air, I don’t want to struggle with stiff parts or confusing mechanisms. A smooth-turning knob or simple vent design makes maintenance much easier for me, especially when I’m cleaning or restarting the filter.
Importance of a Proper Seal
One thing I never ignore is the seal. If the O-rings or gaskets are worn out, the valve can leak air or water and reduce filter performance. I always look for a valve that comes with a reliable sealing system or replacement O-rings, because a tight seal helps my pool system run efficiently.
Signs I Need a Replacement
I usually replace the air relief valve if I notice persistent leaking, difficulty releasing air, or visible cracks in the housing. If my filter pressure seems unusually high or air gets trapped often, the valve may no longer be working properly. Replacing it early helps me avoid bigger filter problems later.
What I Compare Before Buying
Before I choose one, I compare price, warranty, and customer reviews. I like to see whether other pool owners say the valve fits well and lasts through regular use. A slightly higher price is worth it to me if the part is genuine, dependable, and backed by a solid warranty.
My Final Advice
In my experience, buying the right Hayward pool filter air relief valve comes down to fit, durability, and ease of use. I always verify my filter model first, then choose a valve with strong construction and a dependable seal. That way, I can keep my pool filter working safely and efficiently with less hassle.
Final Thoughts
I’ve found that the Hayward pool filter air relief valve is a small but essential part of keeping a pool system running smoothly. My main takeaway is that regular inspection and proper use of this valve can help prevent air buildup, improve filtration performance, and reduce unnecessary strain on the equipment. When I stay on top of maintenance, I can usually avoid bigger problems down the line and keep the pool water cleaner and circulation more efficient.
Author Profile
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Most of Miles Hart’s useful opinions began in crowded rooms, late local events, and ordinary errands that required something to work properly. Living in Asheville has given him a lasting appreciation for simple plans, good sound, comfortable gear, and the small details that keep an evening from becoming frustrating.
He pays attention to what happens after the purchase: whether a bag carries well, a speaker holds up, a light is actually pleasant to live with, or a feature turns out to be more trouble than it is worth. He is less interested in hype than in how things feel during real use.
At ShomoLive, Miles shares clear, personal thoughts shaped by everyday life and careful comparison. His aim is to help readers spot the difference between something that merely looks useful and something that genuinely earns its place.
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