2 inch check valve
Worth a lookShows a sweet-spot price point ($27.46 avg), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Avg price
Incredible$27.46avg listing price — sweet spot $15–$100
Price range
Great$14.18–$65.84cheapest to priciest tracked listing — scored on the share inside $15–$100
Review moat
Great210.22avg incumbent reviews — the moat a new listing must climb
Conversion
Great9.5%search→purchase rate — share of searches ending in a sale
Brand share
Good63%top-5 brand share — brands hold most of the demand
Quality gap
Good4.3★avg incumbent rating — lower means beatable quality
Competition
Good53%top-5 click share — leaders hold, buyers still browse
Growth
Okay+19.8%90-day search growth — must beat 0% to launch
Returns
Okay4.8%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
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.Peak months: Apr, May · busiest ÷ quietest = 2.1×
Top 2 inch check valve search terms
- 2 inch check valve10K/yr
- 2 check valve9K/yr
- 2 inch pvc check valve7K/yr
- 2 check valve pvc6K/yr
- check valve 2 inch5K/yr
- 2 pvc check valve5K/yr
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.
All 24 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
MIDLINE VALVE PVC Inline Check Valve for Backflow Prevention 2 Solvent Connections White Plastic
Midline Valve$18.224.5★540 rev
Valterra 200-20W PVC Swing (No Spring) Check Valve White 2 Slip
Valterra$15.234.5★282 rev
Hydro Master Plastic Sump Pump Check Valve with Stainless Steel Clamps 2 inch
HYDRO MASTER$19.574.5★412 rev
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$33.344.4★105 rev
Valterra 200-CU20 PVC Swing/Spring Combination Check Valve Clear 2 Union
Valterra$33.534.5★238 rev
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$21.9713 rev
Pbugac 2 Inch PVC Check Valve Socket x Socket
pbugac$16.729 rev
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$22.2218 rev
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$24.3684 rev
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$24.2921 rev
Trending
90-day click momentum
Valterra 200-C20W PVC Swing (No Spring) Check Valve Clear Blue 2 Slip White
Valterra$16.244.3★
Valterra 200-20W PVC Swing (No Spring) Check Valve White 2 Slip
Valterra$15.234.5★
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$24.364.5★
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$21.973.4★
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$22.223.6★
What buyers say about 2 inch check valve
What buyers praise and complain about, mined from review topics.What buyers love
“Good quality, easy to install and work perfectly”
“Ez installation”
“Good Price”
“Works as advertised”
“Check valve worked perfect on my application”
“Great fit”
“Quiet and easy to install”
“This sweet check valve was excellent for keeping high pressure sewage from spewing uncontrollably out of my toilet”
“leak-free performance with a durable stainless steel spring that prevents backflow”
“easy to use”
What buyers complain about
“Leaked when filled with water”
“Broke after 1 month use”
“Trash”
“doeas not fit well”
“Water dribbled out”
“Does not work as advertised”
“I can see water flowing from the filter right past this valve through the clear lid”
“making a mess”
“kept slipping off no matter how much we tightened them”
“It was essy to install”
Top return reasons
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.