---
title: "2 Inch Check Valve — $109K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/tools-home-improvement/2-inch-check-valve"
last_updated: "2026-08-08T06:05:29.634Z"
locale: en
meta:
description: "Niche score 59/100 · $109K/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
"og:description": "Niche score 59/100 · $109K/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
"og:title": "2 Inch Check Valve — $109K/yr Amazon US Niche (2026) - Flapen"
---
# **2 inch check valve**
**Worth a look**
Shows a sweet-spot price point ($27.46 avg), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Market size 26Growth 50Conversion 85Competition 54Returns 28Price range 94Avg price 95Brand share 70Review moat 89Quality gap 68
**Avg price**
**Incredible****$27.46**
avg listing price — sweet spot $15–$100
**Price range**
**Great****$14.18–$65.84**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Review moat**
**Great****210.22**
avg incumbent reviews — the moat a new listing must climb
**Conversion**
**Great****9.5%**
search→purchase rate — share of searches ending in a sale
**Brand share**
**Good****63%**
top-5 brand share — brands hold most of the demand
**Quality gap**
**Good****4.3★**
avg incumbent rating — lower means beatable quality
**Competition**
**Good****53%**
top-5 click share — leaders hold, buyers still browse
**Growth**
**Okay****+19.8%**
90-day search growth — must beat 0% to launch
**Returns**
**Okay****4.8%**
return rate — above 5% kills the launch gate
**Market size**
**Okay****$109K**
$109K/yr · 42K searches
According to Flapen's Amazon United States niche tracking, 2 inch check valve is a $109K/yr Amazon United States market (42K searches/yr). The top 5 brands hold 63% of demand. Demand peaks in Apr–May. Verdict: Worth a look — 59/100.
Data updated Jul 29, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **2 inch check valve market data**
- **Units sold / yr**
- **3K–4K**
- avg 100–250/product
- **Revenue / yr**
- **$82K–$110K**
- units × avg price
- **Conversion rate**
- **9.5%**
- **Avg BSR**
- **#513**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **74%**
- **Out of stock**
- **1.4%**
- **Avg brand age**
- **53 months**
- **Avg seller age**
- **168 days**
## **Competition & brand share**
The top 5 products take 53% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**21 **▼falling
**Sellers**
**60**
**Top-5 brand share**
**63%**
Top 20: 99%
**Top-5 click share**
**53%**
Top 20: 93%
**Open market**
**32%**
- Valterra22% - Midline Valve15% - HYDRO MASTER10% - Aumzong9% - SYWUWV7% - Megairon6%
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — +19.8% search growth over the last 90 days.
1K750Spike '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: Apr, May · busiest ÷ quietest = 2.1×
[**Open Trend **](https://flapen.com/research/us/tools-home-improvement/2-inch-check-valve/trend)
## **Top 2 inch check valve search terms**
- **2 inch check valve**10K/yr+24.9%5.3% conv. - **2 check valve**9K/yr+18.2%6.8% conv. - **2 inch pvc check valve**7K/yr+13.6%5.6% conv. - **2 check valve pvc**6K/yr+9.6%8.5% conv. - **check valve 2 inch**5K/yr+32.7%4.5% conv. - **2 pvc check valve**5K/yr+20.8%8.6% conv. [**All search terms **](https://flapen.com/research/us/tools-home-improvement/2-inch-check-valve/search-terms)
## **Top 2 inch check 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%$4K8%$9K12%$13K16%$18K1101001K10K 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**MIDLINE VALVE PVC Inline Check Valve for Backflow Prevention 2 Solvent Connections White Plastic**Midline Valve**$18.22**4.5★540 rev](https://www.amazon.com/dp/B08CY858C2) [2**Valterra 200-20W PVC Swing (No Spring) Check Valve White 2 Slip**Valterra**$15.23**4.5★282 rev](https://www.amazon.com/dp/B005OTLJIE) [3**Hydro Master Plastic Sump Pump Check Valve with Stainless Steel Clamps 2 inch**HYDRO MASTER**$19.57**4.5★412 rev](https://www.amazon.com/dp/B07P9X1P9V) [4**Aumzong 7305 Check Valve Replacement for Jandy 2 Inch to 2-1/2-Inch Check Valve pvc 180-Degree Compatible with Pool and Spa**Aumzong**$33.34**4.4★105 rev](https://www.amazon.com/dp/B0CZHG6RKB) [5**Valterra 200-CU20 PVC Swing/Spring Combination Check Valve Clear 2 Union**Valterra**$33.53**4.5★238 rev](https://www.amazon.com/dp/B00B95UUJQ)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**2 Inch Pool Check Valve Replacement for Jandy 7305 PVC Check Valve for Pool & Spa Backflow Preventer Fits 2 & 2.5 Pipes Clear Lid Easy Maintenance**SUFULUNO**$21.97**13 rev10mo ago](https://www.amazon.com/dp/B0FSWXWNDQ) [**Pbugac 2 Inch PVC Check Valve Socket x Socket**pbugac**$16.72**9 rev11mo ago](https://www.amazon.com/dp/B0FN7TFMFV) [**7305 Check Valve Replacement 2 Inch or 2.5 Inch PVC One-Way Valve for Pool and Spa Plumbing Systems Clear Cover Backflow Preventer for Inground & Above Ground Use**Ussuray**$22.22**18 rev1y ago](https://www.amazon.com/dp/B0FBM4X2DX) [**7305 Check Valve Replacement for Jandy 2-Inch to 2-1/2-Inch 180-Degree Straight Through Flow Check Valve Compatible with Pool and Spa (7305)**FQRANBO**$24.36**84 rev1y ago](https://www.amazon.com/dp/B0DXPNR6BH) [**2 Inch Silent PVC Check Valve Quiet Clear Sump Pump Check Valve With Stainless Clamps Fits 7-1/4 Gap in 2 Schedule 40 Pipe With Spring Loaded Flapper Leak-proof Sewage**Edovaf**$24.29**21 rev1y ago](https://www.amazon.com/dp/B0DK149C6F)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Valterra 200-C20W PVC Swing (No Spring) Check Valve Clear Blue 2 Slip White**Valterra**$16.24**4.3★**▲ 110%**](https://www.amazon.com/dp/B00B95U3TS) [**Valterra 200-20W PVC Swing (No Spring) Check Valve White 2 Slip**Valterra**$15.23**4.5★**▲ 79%**](https://www.amazon.com/dp/B005OTLJIE) [**7305 Check Valve Replacement for Jandy 2-Inch to 2-1/2-Inch 180-Degree Straight Through Flow Check Valve Compatible with Pool and Spa (7305)**FQRANBO**$24.36**4.5★**▲ 64%**](https://www.amazon.com/dp/B0DXPNR6BH) [**2 Inch Pool Check Valve Replacement for Jandy 7305 PVC Check Valve for Pool & Spa Backflow Preventer Fits 2 & 2.5 Pipes Clear Lid Easy Maintenance**SUFULUNO**$21.97**3.4★**▲ 37%**](https://www.amazon.com/dp/B0FSWXWNDQ) [**7305 Check Valve Replacement 2 Inch or 2.5 Inch PVC One-Way Valve for Pool and Spa Plumbing Systems Clear Cover Backflow Preventer for Inground & Above Ground Use**Ussuray**$22.22**3.6★**▲ 28%**](https://www.amazon.com/dp/B0FBM4X2DX)
**~~View all trending →~~**
## **What buyers say about 2 inch check valve**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Quality-Overall**22%
*“Good quality, easy to install and work perfectly”*
**Assembly/Installation**12%
*“Ez installation”*
**Value For Money**10%
*“Good Price”*
**Advertised Vs Actual Product**10%
*“Works as advertised”*
**Efficiency**9%
*“Check valve worked perfect on my application”*
**Size-Overall**6%
*“Great fit”*
**Noise Level**6%
*“Quiet and easy to install”*
**Pressure**5%
*“This sweet check valve was excellent for keeping high pressure sewage from spewing uncontrollably out of my toilet”*
**Leak-Proof**4%
*“leak-free performance with a durable stainless steel spring that prevents backflow”*
**Ease Of Use**4%
*“easy to use”*
### **What buyers complain about **
**Leak-Proof**16%
*“Leaked when filled with water”*
**Durability**13%
*“Broke after 1 month use”*
**Quality-Overall**12%
*“Trash”*
**Size-Overall**12%
*“doeas not fit well”*
**Water Resistance**12%
*“Water dribbled out”*
**Advertised Vs Actual Product**4%
*“Does not work as advertised”*
**Filtration**4%
*“I can see water flowing from the filter right past this valve through the clear lid”*
**Ease Of Cleaning**4%
*“making a mess”*
**Mechanism Issues**4%
*“kept slipping off no matter how much we tightened them”*
**Assembly/Installation**3%
*“It was essy to install”*
### **Top return reasons **
**Size-Overall**58%
**Leak-Proof**6%
**Advertised Vs Actual Product**6%
**Compatibility-Overall**5%
**Functionality-Overall**4%
**Defective Material/Parts**4%
**Value For Money**3%
**Product Condition**2%
**Assembly/Installation**2%
**Quality-Overall**1%
## **Common questions**
- **Is 2 inch check valve profitable to sell on Amazon United States?**
- The niche generates $109K/yr across 27 tracked products. 0 of 3 products launched in the last 360 days are still selling. 90-day search growth is +19.8%. Flapen's verdict: Worth a look (59/100).
- **How competitive is the 2 inch check valve niche?**
- 21 brands and 60 sellers compete. The top 5 products take 53% of clicks and top 5 brands hold 63% of demand.
- **What do buyers complain about in 2 inch check valve?**
- Top complaints mined from reviews: Leak-Proof, Durability, Quality-Overall. The return rate is 4.8%.
- **When does demand for 2 inch check valve peak?**
- Demand peaks in Apr–May; the busiest month runs 2.1× the quietest.
- **What does it cost to enter the 2 inch check valve niche?**
- Listings span $14.18–$65.84; the average listing price is $27.46 (sweet spot $15–$100). The average incumbent carries 210 reviews — the moat a new listing must climb.
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