dual flush valve replacement kit
Worth a lookShows a sweet-spot price point ($27.96 avg), but a small market ($58K/yr) keeps it on the watch list.
Avg price
Incredible$27.96avg listing price — sweet spot $15–$100
Quality gap
Great4.3★avg incumbent rating — lower means beatable quality
Price range
Great$7.80–$38.71cheapest to priciest tracked listing — scored on the share inside $15–$100
Brand share
Good66%top-5 brand share — brands hold most of the demand
Review moat
Good889.49avg incumbent reviews — the moat a new listing must climb
Competition
Good48%top-5 click share — leaders hold, buyers still browse
Returns
Okay3.1%return rate — above 5% kills the launch gate
Conversion
Okay3.0%search→purchase rate — share of searches ending in a sale
Growth
Bad-1.4%90-day search growth — must beat 0% to launch
Market size
Bad$58K$58K/yr · 69K searches
According to Flapen's Amazon United States niche tracking, dual flush valve replacement kit is a $58K/yr Amazon United States market (69K searches/yr). The top 5 brands hold 66% of demand. Demand peaks in Jan. Verdict: Worth a look — 50/100.
Data updated Jul 29, 2026 · scored weekly · How we score niches
dual flush valve replacement kit market data
- Units sold / yr
- 2K–3K
- avg 0–100/product
- Revenue / yr
- $56K–$70K
- units × avg price
- Conversion rate
- 3.0%
- Avg BSR
- #3,341
- Page quality
- 0%
- Prime
- 97%
- Sponsored
- 91%
- Out of stock
- 3.4%
- Avg brand age
- 49 months
- Avg seller age
- 146 days
Competition & brand share
The top 5 products take 48% of clicks — established leaders, but buyers still shop beyond them.Brands
18 falling
Sellers
97
Top-5 brand share
66%
Top 20: 100%
Top-5 click share
48%
Top 20: 86%
Open market
25%
- houpeoro20%
- Danco13%
- Fluidmaster13%
- Next by Danco10%
- Senshare10%
- Ulinlo pouly9%
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -1.4% search growth over the last 90 days.Peak months: Jan · busiest ÷ quietest = 1.6×
Top dual flush valve replacement kit search terms
- dual flush valve replacement kit27K/yr
- push button toilet flush kit7K/yr
- dual flush toilet kit10K/yr
- dual flush valve7K/yr
- toilet dual flush valve7K/yr
- dual flush toilet parts4K/yr
- dual flush toilet conversion kit3K/yr
- dual flush conversion kit4K/yr
Top dual flush valve replacement kit 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
3-Inch Dual Flush Valve Replacement Kit for 2-Piece Toilets Universal Toilet Repair Kit with Push Button Fill Valve Gasket & Bolts Compatible with Glacier Bay Kohler American Standard and Toto
houpeoro$34.824.4★131 rev

Danco HYR451T HyrdroRight Universal Water-Saving Toilet Repair Kit with Dual Flush Valve Lever Handle White HYR451T
Next by Danco$28.084.0★2,241 rev

Danco HyrdroRight Water-Saving Toilet Tank Repair Kit with Dual Flush Valve Includes Dual Push Button Handle in Chrome (HYR460)
Danco$27.674.1★4,569 rev

Fluidmaster 3-Inch Dual Flush Valve Replacement for 2-Piece Toilets including Glacier Bay Aquasource and more
Fluidmaster$29.424.6★755 rev

2-Inch Dual Flush Valve Replacement Kit for 2-Piece Toilets Universal Toilet Repair Kit with Push Button Fill Valve Gasket & Bolts Compatible with Glacier Bay Kohler American Standard and Toto
houpeoro$34.374.4★131 rev
Newest
by launch date
VIKECAT 3-Inch Dual Flush Valve Kit Fix Running Weak Flush & Leaks
VIKECAT$29.770 rev

3 Inch Dual Flush Valve Replacement Kit for 2-Piece Toilets Compatible with Glacier Bay Toto WaterRidge AquaSource& More Complete Toilet Repair Kit to Fix Leaks Weak Flush & Wobbling (3 inch)
Senshare$36.8429 rev

3 Inch Dual Flush Valve Replacement Kit for One-Piece Dual Flush Toilets Top Push Button Toilet Repair Kit with Fill Valve Fix Leaks Running Water & Weak Flush Reliable Sealing Water Saving
Senshare$37.2415 rev

Ulinlo Pouly 3-Inch Dual Flush Valve Replacement Kit;with Metal Tool & Bolts Fits Glacier Bay Aquasource Toto Water Ridge & More DIY Friendly for 2-Piece Toilets Water-Saving Silent Mode
Ulinlo pouly$38.6836 rev

3-Inch Dual Flush Valve & Fill Valve Replacement Kit for 2-Piece Toilets Complete Toilet Repair Kit Inside Tank with Push Button Gasket & Bolts Compatible with Glacier Bay Toto & American Standard
Senshare$34.9652 rev
Trending
90-day click momentum
3 Inch Dual Flush Valve Replacement Kit for One-Piece Dual Flush Toilets Top Push Button Toilet Repair Kit with Fill Valve Fix Leaks Running Water & Weak Flush Reliable Sealing Water Saving
Senshare$37.244.3★

VIKECAT 3-Inch Dual Flush Valve Kit Fix Running Weak Flush & Leaks
VIKECAT$29.770.0★

3 Inch Dual Flush Valve Replacement Kit for 2-Piece Toilets Compatible with Glacier Bay Toto WaterRidge AquaSource& More Complete Toilet Repair Kit to Fix Leaks Weak Flush & Wobbling (3 inch)
Senshare$36.844.0★

R&T Universal Dual Flush Valve for 2-piece Toilet with Top Push Button Toilet Repair Kit Inside Tank Compatible with 3-Inch and 2-Inch Toilet Drain Outlet A2422U
R&T$38.715.0★

Ulinlo Pouly 3-Inch Dual Flush Valve Replacement Kit;with Metal Tool & Bolts Fits Glacier Bay Aquasource Toto Water Ridge & More DIY Friendly for 2-Piece Toilets Water-Saving Silent Mode
Ulinlo pouly$38.684.4★
What buyers say about dual flush valve replacement kit
What buyers praise and complain about, mined from review topics.What buyers love
“Easy to assemble”
“Excellent product”
“Fit perfect”
“GREAT Deal”
“Does the job perfectly”
“As advertised”
“Instructions are clear”
“Easy as pie”
“is leak free”
“Easy fix”
What buyers complain about
“It leaks”
“Random noises”
“doesnt function properly”
“one of them the hose was to short”
“broke almost instantly”
“the company needs a little more quality control for the parts”
“Frustrating installation”
“Poorly written instructions”
“not as sturdy as some other versions”
“Used. Arrived used. Was cleaned”
Top return reasons
Common questions
- Is dual flush valve replacement kit profitable to sell on Amazon United States?
- The niche generates $58K/yr across 35 tracked products. 6 of 13 products launched in the last 360 days are still selling. 90-day search growth is -1.4%. Flapen's verdict: Worth a look (50/100).
- How competitive is the dual flush valve replacement kit niche?
- 18 brands and 97 sellers compete. The top 5 products take 48% of clicks and top 5 brands hold 66% of demand.
- What do buyers complain about in dual flush valve replacement kit?
- Top complaints mined from reviews: Leak-Proof, Noise Level, Functionality-Overall. The return rate is 3.1%.
- When does demand for dual flush valve replacement kit peak?
- Demand peaks in Jan; the busiest month runs 1.6× the quietest.
- What does it cost to enter the dual flush valve replacement kit niche?
- Listings span $7.80–$38.71; the average listing price is $27.96 (sweet spot $15–$100). The average incumbent carries 889 reviews — the moat a new listing must climb.