---
title: "Hayward Air Relief Valve — $39K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/patio-lawn-garden/hayward-air-relief-valve"
last_updated: "2026-08-11T07:46:47.368Z"
locale: en
meta:
description: "Niche score 70/100 · $39K/yr market · 10K searches/yr. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
"og:description": "Niche score 70/100 · $39K/yr market · 10K searches/yr. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
"og:title": "Hayward Air Relief Valve — $39K/yr Amazon US Niche (2026) - Flapen"
---
# **hayward air relief valve**
**Worth a look**
Shows demand growing +139.4% this quarter, but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Market size 10Growth 96Conversion 95Competition 65Returns 83Price range 68Avg price 95Brand share 82Review moat 93Quality gap 60
**Growth**
**Incredible****+139.4%**
90-day search growth — must beat 0% to launch
**Conversion**
**Incredible****12.5%**
search→purchase rate — share of searches ending in a sale
**Avg price**
**Incredible****$30.85**
avg listing price — sweet spot $15–$100
**Review moat**
**Great****146.19**
avg incumbent reviews — the moat a new listing must climb
**Returns**
**Great****1.6%**
return rate — above 5% kills the launch gate
**Brand share**
**Great****53%**
top-5 brand share — no brand owns this niche
**Price range**
**Good****$8.92–$134.32**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Competition**
**Good****46%**
top-5 click share — leaders hold, buyers still browse
**Quality gap**
**Good****4.4★**
avg incumbent rating — lower means beatable quality
**Market size**
**Bad****$39K**
$39K/yr · 10K searches
**Signals**[** Trending**](https://flapen.com/research/niches?market=us&signal=trending "Search growth > 100% (90d)") [** No Dominant Brand**](https://flapen.com/research/niches?market=us&signal=no_dominant_brand "Top brand's click share < 20%") [** Low Review Barrier**](https://flapen.com/research/niches?market=us&signal=low_review_barrier "Top brand's reviews < 500")
According to Flapen's Amazon United States niche tracking, hayward air relief valve is a $39K/yr Amazon United States market (10K searches/yr). The top 5 brands hold 53% of demand. Verdict: Worth a look — 70/100.
Data updated Jul 24, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **hayward air relief valve market data**
- **Units sold / yr**
- **1K–1K**
- avg 0–100/product
- **Revenue / yr**
- **$31K–$39K**
- units × avg price
- **Conversion rate**
- **12.5%**
- **Avg BSR**
- **#3,342**
- **Page quality**
- **0%**
- **Prime**
- **85%**
- **Sponsored**
- **85%**
- **Out of stock**
- **7.9%**
- **Avg brand age**
- **29 months**
- **Avg seller age**
- **186 days**
## **Competition & brand share**
The top 5 products take 46% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**20 **▲rising
**Sellers**
**43**
**Top-5 brand share**
**53%**
Top 20: 100%
**Top-5 click share**
**46%**
Top 20: 94%
**Open market**
**41%**
- Aquatonics14% - Gleaming star12% - Hayward10% - DEF10% - Swimables8% - Hidtaw6%
## **Top hayward air relief valve products on Amazon**
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
0%4%$2K8%$3K12%$5K16%$6K1101001K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 24 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**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**Aquatonics**$39.77**4.2★38 rev](https://www.amazon.com/dp/B0FTYZX694) [2**Gleaming star DEX2420MAR2 Manual Air Relief Assembly Compatible with Hayward Pro Grid Swimclear and Swim Clear Cartridge Filtersr Perfect and Easy Replacement for that Part.**Gleaming star**$39.73**4.6★21 rev](https://www.amazon.com/dp/B0DX79LXZJ) [3**DEF CCX1000V Cartridge Filter Manual Air Relief Valve Replacement for Hayward DE Pro-Grid DE SwimClear and XStream Filters**DEF**$9.89**4.7★54 rev](https://www.amazon.com/dp/B0CQNTP6QX) [4**Swimables DEX2420MAR2 Manual Air Relief Assembly - Compatible with Hayward DE and Cartridge Pool Filter - Works with Pro Grid Swim Clear and Swimclear Cartridge Filters- New Upgraded Design**Swimables**$78.25**4.6★383 rev](https://www.amazon.com/dp/B096YH95QD) [5**Hayward CCX1000V XStream Cartridge Filter Manual Air Relief Valve**Hayward**$17.49**4.7★700 rev](https://www.amazon.com/dp/B004VJSPG2)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Grefilt DEX2420MAR2 Manual Air Relief Assembly Compatible with Hayward Pro Grid-DE Swim Clear Filters Upgraded ABS Material**Grefilt**$34.51**6 rev6mo ago](https://www.amazon.com/dp/B0GJL9STP2) [**Upgraded Clear DEX2420MAR2 Manual Air Relief Assembly 2420MAR2 Air Relief Valve Compatible with Hayward DE and Cartridge Pool Filter Fits ProGrid DE SwimClear SwimClear Cartridge and DEP Filter**Hidtaw**$42.88**22 rev9mo ago](https://www.amazon.com/dp/B0FVY1F7YL) [**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**Aquatonics**$39.77**38 rev9mo ago](https://www.amazon.com/dp/B0FTYZX694) [**DEX2420MAR2 Manual Air Relief Assembly 2420MAR2 Air Relief Valve Compatible with DE and Cartridge Pool Filter Fits ProGrid DE SwimClear SwimClear Cartridge and DEP Filter Models such as DE4820**Hidtaw**$39.22**22 rev1y ago](https://www.amazon.com/dp/B0F29KLNHL) [**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**Fundyliue**$24.36**29 rev1y ago](https://www.amazon.com/dp/B0DZN8BLC4)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Grefilt DEX2420MAR2 Manual Air Relief Assembly Compatible with Hayward Pro Grid-DE Swim Clear Filters Upgraded ABS Material**Grefilt**$34.51**3.4★**▲ 119%**](https://www.amazon.com/dp/B0GJL9STP2) [**DEX2400S Filter Air Relief Gauge Adapter Assembly + ECX270861 Pressure Gauge + DEX2400Z3A O-Ring Set for Filter Relief Valve Stem for Hayward Pool Filters**johntruck**$30.81**4.6★**▲ 108%**](https://www.amazon.com/dp/B0D4HLN962) [**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**Aquatonics**$39.77**4.2★**▲ 74%**](https://www.amazon.com/dp/B0FTYZX694) [**RO6G DEX2400S Sand Filter Air Relief Valve Replacement Hayward Air Gauge Relief Adapter S210SV S244SV C2000 C3000 C4000 C5000 Fit Hayward ProGrid DE Pool/Spa Filter Parts - 2 Pack**RO6G**$13.97**3.9★**▲ 71%**](https://www.amazon.com/dp/B0D8NHM6GY) [**BZTT DEX2400S Filter Air Gauge Relief Valve Assembly Replacement Hayward Air Relief**BZTT**$10.06**4.2★**▲ 69%**](https://www.amazon.com/dp/B0CZJLSQ1R)
**~~View all trending →~~**
## **What buyers say about hayward air relief valve**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Size-Overall**25%
*“Direct fit”*
**Value For Money**17%
*“much cheaper”*
**Quality-Overall**15%
*“The build quality feels very solid”*
**Assembly/Installation**14%
*“Easy to mount and use, good value and a quality product”*
**Advertised Vs Actual Product**7%
*“Worked as advertised”*
**Leak-Proof**4%
*“No leaks”*
**Filtration**3%
*“The clear housing gives a nice view into the filter”*
**Ease Of Use**2%
*“Very easy to change out”*
**Pressure**2%
*“which makes it easy to read the range for pressure”*
**Strength**1%
*“it feels sturdy and well made”*
### **What buyers complain about **
**Leak-Proof**24%
*“Leaks”*
**Durability**13%
*“Be carful it cracks easily”*
**Quality-Overall**10%
*“Poor quality”*
**Filtration**6%
*“bleed the air out until the filter is full of water”*
**Pressure**6%
*“I was initially having trouble tightening the valve to get it snug”*
**Value For Money**5%
*“Pool companies definitely overcharge”*
**Instructions/User Manual/Troubleshooting**4%
*“The rating is the poor usability of the instructions”*
**Functionality-Overall**3%
*“it doesn't”*
**Defective Material/Parts**3%
*“Parts missing”*
**Design-Overall**3%
*“poor design from Hayward in my opinion”*
### **Top return reasons **
**Size-Overall**38%
**Leak-Proof**12%
**Pressure**12%
**Assembly/Installation**6%
**Advertised Vs Actual Product**5%
**Defective Material/Parts**5%
**Filtration**4%
**Functionality-Overall**3%
**Value For Money**3%
**Product Condition**2%
## **Common questions**
- **Is hayward air relief valve profitable to sell on Amazon United States?**
- The niche generates $39K/yr across 27 tracked products. 1 of 3 products launched in the last 360 days are still selling. 90-day search growth is +139.4%. Flapen's verdict: Worth a look (70/100).
- **How competitive is the hayward air relief valve niche?**
- 20 brands and 43 sellers compete. The top 5 products take 46% of clicks and top 5 brands hold 53% of demand.
- **What do buyers complain about in hayward air relief valve?**
- Top complaints mined from reviews: Leak-Proof, Durability, Quality-Overall. The return rate is 1.6%.
- **What does it cost to enter the hayward air relief valve niche?**
- Listings span $8.92–$134.32; the average listing price is $30.85 (sweet spot $15–$100). The average incumbent carries 146 reviews — the moat a new listing must climb.
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