Skip to content

15mm Isolation Valve

Fail

Prices span $4.10–$13.65, mostly outside the sweet spot, so 15mm Isolation Valve is a Fail.

Flapen Score
39
39 / 100
Ranks 638 of 740 Business, Industry & Science niches · −10 vs the category median of 49
Market size
£40K/yr54K searches / yr
90-day growth
-18.4%search demand this quarter
Competition
64%top-5 click share · 13 brands · 18 sellers

Flapen Score

15mm Isolation Valve against its category

The dotted line is the Business, Industry & Science average. Past it, 15mm Isolation Valve is stronger. Inside it, weaker.

39Fail
Big MarketTrendingHigh ConversionOpen MarketLow ReturnsPrice rangeAvg priceNo Dominant BrandLow Review BarrierQuality Gap
This niche Category average

Market

The 15mm Isolation Valve market on Amazon at a glance

Shoppers on Amazon United Kingdom searched for 15mm Isolation Valve 54K times last year and spent an estimated £40K. The top 5 brands take 86% of clicks. Flapen scores it 39 out of 100, a Fail.

01 · Demand

An estimated 9.4% of those searches ended in a purchase.

Shoppers searched for this 54K times in the last 12 months. That counts every search on Amazon United Kingdom for this niche's terms. An estimated 9.4% of those searches ended in a purchase. Searches in the last 90 days moved -18.4% against the 90 days before. Searches, conversion and average price together put the market at an estimated £40K a year.

Searches, last 12 months
54K
Growth, 90 days vs prior 90
-18.4%
Conversion, latest week
9.4%
Market size, estimated
£40Ka year
Top search term
15mm isolation valve27K searches a year

02 · Price

A sale here is worth £7.90.

Listings sell for £7.90 on average, from £4.10 to £13.65. Amazon reports units sold in ranges. This niche sold 5K to 6K a year. The average listing sells 100 to 250 of them. At £7.90 that is £790 to £2K a year per listing.

Average price
£7.90under the $15 to $100 sweet spot
Price range
£4.10–£13.65
Amazon United Kingdom median price
£12.12across 27,606 niches
Units sold a year
5K–6K
Units per listing a year
100–250
Revenue per listing a year
£790–£2K
Returns
1.3%of orders · Amazon United Kingdom median 0.6%

03 · Entry bar

The bar here is low.

64% of listings pay for placement with sponsored ads. 91% ship with Prime. On an average day, 2.5% of listings are out of stock. The average listing ranks #59 within Hydraulics, Pneumatics & Plumbing. It carries 226 reviews at 4.54 stars, so a new listing needs social proof before a better product.

Sponsored listings
64%
Prime listings
91%
Out of stock, average day
2.5%
Average rank
#59in Hydraulics, Pneumatics & Plumbing
Average rating
4.54 starsAmazon United Kingdom average 4.36 stars
Average reviews
226per listing
Listings tracked
22

04 · Newcomers

0 of last year's 5 launches cleared the first-year sales bar.

5 products launched here in the last 12 months. 0 of them cleared the first-year sales bar, our mark for a successful launch. The brands on the shelf have sold for 51 months on average, so the names here are settling in.

Launched, last 12 months
5
Successful launches
0Amazon's first-year sales bar
Average brand age
51 months

Products

Top 15mm Isolation Valve products & what they sell for

The products selling here, as shoppers see them on Amazon. Shelf share and sales are our estimates.

Prices and ratings read from Amazon on Jul 21, 2026. The live listing can differ.

Competition

Competition: brands, sellers & click share

The top 5 products take an estimated 64% of clicks. Leaders hold, but buyers still shop past them.

£0£4K£8K£12K£16K1101001K Review Count Sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)1 product missing review or click data not plotted

Brands

13 rising

Sellers

18

Est. top-5 brand share

86%

Top 20: 100%

Est. top-5 click share

64%

Top 20: 98%

Open market

11%

  • Pipestation28%
  • 22.5 Team Controls24%
  • Reeds23%
  • PlumbEZ6%
  • AIGHER5%
  • VANCOCO4%
  • Open — no brand owns it (7 brands, 11%)

Demand

15mm Isolation Valve search demand

Weekly searches over the year. Pick a range.

1K750Mar '26Apr '26Apr '26May '26May '26Jun '26Jun '26Jul '26

Search terms

Top 15mm Isolation Valve search terms shoppers use

The exact words shoppers type, with estimated yearly volume, growth, and conversion.

  • 15mm isolation valve27K/yr
  • isolation valve19K/yr
  • water shut off valve4K/yr
  • full bore isolating valve 15mm4K/yr

Reviews and returns

What reviews say buyers love and hate about 15mm Isolation Valve

We read the reviews and the return reasons for every product selling here.

34%of positive reviews mention “Quality-Overall”
25%of negative reviews mention “Leak-Proof”
1.3%of orders come back
“Leaking”
A buyer, on “Leak-Proof”25% of negative reviews mention the same topic

Every topic

Every topic buyers talk about, one row each.

Red shows the share of negative reviews and green the share of positive reviews, biggest topic first. Open a row to read what they wrote.

17 topics

NegativePositive

FAQ

Common 15mm Isolation Valve questions

Answered from the same tracked data.

Figures on this page are estimates modeled from public Amazon pages and third-party keyword data. Amazon does not supply them, and no connected seller's data is used. How we handle Amazon data