sump pump check valve
Skip itSoft demand (-35.8% this quarter) — this niche doesn't clear our bar today.
Avg price
Great$20.45avg listing price — sweet spot $15–$100
Price range
Great$8.33–$36.15cheapest to priciest tracked listing — scored on the share inside $15–$100
Review moat
Good624.88avg incumbent reviews — the moat a new listing must climb
Conversion
Good6.2%search→purchase rate — share of searches ending in a sale
Brand share
Good70%top-5 brand share — brands hold most of the demand
Competition
Good52%top-5 click share — leaders hold, buyers still browse
Returns
Okay4.4%return rate — above 5% kills the launch gate
Quality gap
Okay4.6★avg incumbent rating — lower means beatable quality
Market size
Okay$112K$112K/yr · 89K searches
Growth
Bad-35.8%90-day search growth — must beat 0% to launch
According to Flapen's Amazon United States niche tracking, sump pump check valve is a $112K/yr Amazon United States market (89K searches/yr). The top 5 brands hold 70% of demand. Demand peaks in Mar–Apr–May. Verdict: Skip it — 44/100.
Data updated Jul 29, 2026 · scored weekly · How we score niches
sump pump check valve market data
- Units sold / yr
- 6K–8K
- avg 250–500/product
- Revenue / yr
- $123K–$164K
- units × avg price
- Conversion rate
- 6.2%
- Avg BSR
- #195
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 73%
- Out of stock
- 0.0%
- Avg brand age
- 56 months
- Avg seller age
- 170 days
Competition & brand share
The top 5 products take 52% of clicks — established leaders, but buyers still shop beyond them.Brands
19 rising
Sellers
92
Top-5 brand share
70%
Top 20: 100%
Top-5 click share
52%
Top 20: 92%
Open market
26%
- PumpSpy30%
- Zoeller23%
- HYDRO MASTER9%
- Tellingyou5%
- Green living4%
- Homewerks Worldwide4%
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -35.8% search growth over the last 90 days.Peak months: Mar, Apr, May · busiest ÷ quietest = 4.3×
Top sump pump check valve search terms
- sump pump check valve30K/yr
- sump pump check valve 1 1/2 inch13K/yr
- check valve 1 1/25K/yr
- 1 1/2 check valve7K/yr
- 1.5 check valve4K/yr
- check valve sump pump6K/yr
- 1.5 inch check valve3K/yr
- 1 1/2 check valve for sump pump4K/yr
- check valve for sump pump3K/yr
- quiet check valve for sump pump4K/yr
Top sump pump 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
PumpSpy Silent Check Valve - 1-1/2 with Buna-N Couplings Model CV-150 Spring-Loaded Flapper Sump Pump Life Expectancy Increase Includes Steel Clamps Fit 1-1/2 Pipe
PumpSpy$20.604.7★2,013 rev
Hydro Master Plastic Sump Pump Check Valve with Stainless Steel Clamps for 1-1/2 inch or 1-1/4 inch
HYDRO MASTER$15.804.6★513 rev
Zoeller 300040 Quiet Check Valve 1-1/2 PVC Full Flow SolventWeld Union for Sump Pump Discharge Backflow Prevention Water Hammer Reduction 50PSI Rated
Zoeller$29.074.7★501 rev
Zoeller 30-0181 PVC Plastic Check Valve 1-1/2 Inch
Zoeller$22.704.6★2,429 rev
Zoeller 30-0041 50 psi PVC 2-Port Check Valve 1-1/2
Zoeller$35.234.7★664 rev
Newest
by launch date
1-1/2 Inch Silent Sump Pump Check Valve Spring-Loaded Quiet Check Valve for Backflow Prevention Clear Body with Stainless Steel Clamps Fits 1-1/2 Pipe
Replizo$20.6116 rev
Silent Check Valve 1-1/2 Inch with Clear Body & Spring-Loaded Flapper Buna-N Couplings & Stainless Steel Clamps - for Sump Pump Backflow Prevention Quiet Operation Extends Pump Life
ReeMoo$16.3463 rev
7235 Check Valve Replacement for Jandy 1-1/2-Inch to 2-Inch 180-Degree Check Valve Straight Through Flow Compatible with Pool and Spa (7235)
FQRANBO$24.8484 rev
Tellingyou Sump Pump Check Valve Fits 1-1/2 or 1-1/4 Pipe Thread
Tellingyou$10.1621 rev
Threlaco 1 Pack Sump Pump Check Valve Fit 1-1/2 inch and 1-1/4 inch Pipe
Threlaco$12.5463 rev
Trending
90-day click momentum7235 Check Valve Replacement for Jandy 1-1/2-Inch to 2-Inch 180-Degree Check Valve Straight Through Flow Compatible with Pool and Spa (7235)
FQRANBO$24.844.5★
1-1/2 Inch Silent Sump Pump Check Valve Spring-Loaded Quiet Check Valve for Backflow Prevention Clear Body with Stainless Steel Clamps Fits 1-1/2 Pipe
Replizo$20.614.8★
FibroPool Check Valve - 5 PSI Spring Loaded - 1.5 in - CPVC
FibroPool$32.394.3★
Pool Check Valve - 1 1/2 Inch- Positive Seal & Non Lube for Pools and Spas Replaces Jandy 7235 Check Valve 180 Degree
Ussuray$26.484.3★
Valterra 200-C15W PVC Swing (No Spring) Check Valve Clear 1-1/2 Slip
Valterra$14.874.3★
What buyers say about sump pump check valve
What buyers praise and complain about, mined from review topics.What buyers love
“A well-made product”
“Ez installation”
“Good Price”
“QUIET”
“Works as advertised”
“does the job”
“valve works great”
“Does as designed”
“Fit perfect”
“thoes work perfect”
What buyers complain about
“Leaking water”
“Spring inside this broke after less than 2 months of use”
“but it is pretty loud when the pump starts”
“doeas not fit well”
“Cheap already rusting”
“Costs a bit more than others”
“You cannot adjust the spring pressure on this either”
“Unfortunately this one just didn't work for me”
“But, in a short run upstream from the backup pump it tends to drip”
“Dangerous if installed could cause sewer overflow”
Top return reasons
Common questions
- Is sump pump check valve profitable to sell on Amazon United States?
- The niche generates $112K/yr across 26 tracked products. 1 of 3 products launched in the last 360 days are still selling. 90-day search growth is -35.8%. Flapen's verdict: Skip it (44/100).
- How competitive is the sump pump check valve niche?
- 19 brands and 92 sellers compete. The top 5 products take 52% of clicks and top 5 brands hold 70% of demand.
- What do buyers complain about in sump pump check valve?
- Top complaints mined from reviews: Leak-Proof, Durability, Noise Level. The return rate is 4.4%.
- When does demand for sump pump check valve peak?
- Demand peaks in Mar–Apr–May; the busiest month runs 4.3× the quietest.
- What does it cost to enter the sump pump check valve niche?
- Listings span $8.33–$36.15; the average listing price is $20.45 (sweet spot $15–$100). The average incumbent carries 625 reviews — the moat a new listing must climb.