1/2 shut off valve
Skip itPrices mostly outside the sweet spot ($6.43–$537.26) — this niche doesn't clear our bar today.
Avg price
Incredible$43.97avg listing price — sweet spot $15–$100
Competition
Great34%top-5 click share — an open shelf
Review moat
Great429.14avg incumbent reviews — the moat a new listing must climb
Brand share
Great60%top-5 brand share — no brand owns this niche
Conversion
Good4.6%search→purchase rate — share of searches ending in a sale
Returns
Okay3.8%return rate — above 5% kills the launch gate
Market size
Okay$133K$133K/yr · 65K searches
Quality gap
Okay4.6★avg incumbent rating — lower means beatable quality
Growth
Bad-1.3%90-day search growth — must beat 0% to launch
Price range
Bad$6.43–$537.26cheapest to priciest tracked listing — scored on the share inside $15–$100
According to Flapen's Amazon United States niche tracking, 1/2 shut off valve is a $133K/yr Amazon United States market (65K searches/yr). The top 5 brands hold 60% of demand. Verdict: Skip it — 49/100.
Data updated Jul 29, 2026 · scored weekly · How we score niches
1/2 shut off valve market data
- Units sold / yr
- 3K–4K
- avg 0–100/product
- Revenue / yr
- $132K–$176K
- units × avg price
- Conversion rate
- 4.6%
- Avg BSR
- #189
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 81%
- Out of stock
- 1.8%
- Avg brand age
- 48 months
- Avg seller age
- 168 days
Competition & brand share
Clicks spread well past the top 5 (34% combined) — an open shelf where new products get seen.Brands
29 falling
Sellers
115
Top-5 brand share
60%
Top 20: 94%
Top-5 click share
34%
Top 20: 69%
Open market
35%
- EFIELD16%
- GUOFIS14%
- PXZBLG13%
- Eastman9%
- PROCURU8%
- Minimprover5%
Demand
Weekly Amazon search volume, last 47 weeks — -1.3% search growth over the last 90 days.Top 1/2 shut off valve search terms
- 1/2 shut off valve11K/yr
- angle stop valve 1/2 inch x 3/8 inch9K/yr
- angle stop10K/yr
- main water shut off valve7K/yr
- angle valve 1/2 x 3/87K/yr
- quarter turn valve4K/yr
- shutoff valves for 1/2 inch water pipe5K/yr
- bathroom sink shut off valve4K/yr
- compression valve4K/yr
- sink shut off valve 1/2 x 3/8 compression4K/yr
Top 1/2 shut off 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
10PCS EFIELD Angle Stop Valve 1/2 Nominal (5/8 OD) Compression x 3/8 OD
EFIELD$38.494.8★460 rev
10 Pack GUOFIS Angle Compression Stop Valve 1/4 Turn Water Shut Off Valve
GUOFIS$38.194.8★276 rev
![[10-Pack] PROCURU Heavy Duty Angle Stop Valve 1/2 Nominal (5/8 OD) Compression x 3/8 OD 1/4-Turn Operation (PCAS12-10P)](https://m.media-amazon.com/images/I/51rxaYfPiUL.jpg)
[10-Pack] PROCURU Heavy Duty Angle Stop Valve 1/2 Nominal (5/8 OD) Compression x 3/8 OD 1/4-Turn Operation (PCAS12-10P)
PROCURU$44.514.6★315 rev
2 Pack Stop Valve 1/2 Nominal (5/8 OD Comp.) Angle 3/8 OD Compression
PXZBLG$13.864.7★105 rev
Eastman Multi-Turn Angle Stop Valve with Nut and Sleeve 3/8 Inch OD x 5/8 Inch OD Chrome Plate 48290LF
Eastman$7.344.7★426 rev
Newest
by launch date
2 Pack 1/2 Mini Ball Valve 304 Stainless Steel Valve NPT Female x Male Thread Shut-Off Valves for Small Compact Space (2 1/2 Inch)
SKLSSVF$14.63119 rev
Pro 4PCS EFIELD Stop Angle Valve 1/2 Nominal (5/8 OD) COM x 3/8 OD
EFIELD$25.4267 rev
2 Pack Stop Valve 1/2 Nominal (5/8 OD Comp.) Angle 3/8 OD Compression
PXZBLG$13.86105 rev
2 Pack Angle Stop Valve 1/2 FIP Angle Input 3/8 OD Compression Output
PXZBLG$11.8555 rev
Angle Stop Valve 1/2 Nominal (5/8 OD Comp.) Angle 3/8 OD Compression
PXZBLG$7.2881 rev
Trending
90-day click momentum2 Pack 1/2 Mini Ball Valve 304 Stainless Steel Valve NPT Female x Male Thread Shut-Off Valves for Small Compact Space (2 1/2 Inch)
SKLSSVF$14.634.5★
2 Pack Angle Stop Valve 1/2 FIP Angle Input 3/8 OD Compression Output
PXZBLG$11.854.4★
SharkBite Max 1/2 x 3/8 Inch Compression Angle Stop Valve Quarter Turn Push to Connect Brass Plumbing Fitting PEX Pipe Copper CPVC PE-RT HDPE UR23036
SharkBite$12.984.8★
10PC HeSun 1/2 PEX-B Crimp x 3/8 OD Compression Angle Stop Valve
HeSun$29.864.8★
20 Pack GUOFIS Angle Compression Stop Valve 1/4 Turn Water Shut Off Valve
GUOFIS$75.674.8★
What buyers say about 1/2 shut off valve
What buyers praise and complain about, mined from review topics.What buyers love
“Easy Setup”
“The build quality is solid”
“Great deal”
“As advertised”
“No water leaks”
“Making life easier”
“the portable sensors are awesome”
“Fit perfect”
“Does the job”
“Provides convenient control of valve”
What buyers complain about
“They leak”
“The built quality is a bit rough”
“It was not the size I ordered”
“it no longer worked”
“Keeps disconnecting”
“very very costly”
“Can be something of a bother to install”
“Broke right away”
“Would not turn water off completely”
“Did not work for me as advertised”
Top return reasons
Common questions
- Is 1/2 shut off valve profitable to sell on Amazon United States?
- The niche generates $133K/yr across 63 tracked products. 5 of 6 products launched in the last 360 days are still selling. 90-day search growth is -1.3%. Flapen's verdict: Skip it (49/100).
- How competitive is the 1/2 shut off valve niche?
- 29 brands and 115 sellers compete. The top 5 products take 34% of clicks and top 5 brands hold 60% of demand.
- What do buyers complain about in 1/2 shut off valve?
- Top complaints mined from reviews: Leak-Proof, Quality-Overall, Size-Overall. The return rate is 3.8%.
- What does it cost to enter the 1/2 shut off valve niche?
- Listings span $6.43–$537.26; the average listing price is $43.97 (sweet spot $15–$100). The average incumbent carries 429 reviews — the moat a new listing must climb.