---
title: "Dual Flush Valve Replacement Kit — $58K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/tools-home-improvement/dual-flush-valve-replacement-kit"
last_updated: "2026-08-07T20:26:51.458Z"
locale: en
meta:
description: "Niche score 50/100 · $58K/yr market · 69K searches/yr · $27.96 avg price. A small market ($58K/yr) keeps it on the watch list. Data updated Jul 2026."
"og:description": "Niche score 50/100 · $58K/yr market · 69K searches/yr · $27.96 avg price. A small market ($58K/yr) keeps it on the watch list. Data updated Jul 2026."
"og:title": "Dual Flush Valve Replacement Kit — $58K/yr Amazon US Niche (2026) - Flapen"
---
# **dual flush valve replacement kit**
**Worth a look**
Shows a sweet-spot price point ($27.96 avg), but a small market ($58K/yr) keeps it on the watch list.
Market size 15Growth 24Conversion 38Competition 62Returns 48Price range 76Avg price 95Brand share 65Review moat 65Quality gap 76
**Avg price**
**Incredible****$27.96**
avg listing price — sweet spot $15–$100
**Quality gap**
**Great****4.3★**
avg incumbent rating — lower means beatable quality
**Price range**
**Great****$7.80–$38.71**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Brand share**
**Good****66%**
top-5 brand share — brands hold most of the demand
**Review moat**
**Good****889.49**
avg incumbent reviews — the moat a new listing must climb
**Competition**
**Good****48%**
top-5 click share — leaders hold, buyers still browse
**Returns**
**Okay****3.1%**
return rate — above 5% kills the launch gate
**Conversion**
**Okay****3.0%**
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
**Signals**[** Low Review Barrier**](https://flapen.com/research/niches?market=us&signal=low_review_barrier "Top brand's reviews < 500")
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 ~~](https://flapen.com/research/methodology)
## **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.
3K2KPrime Day '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: Jan · busiest ÷ quietest = 1.6×
[**Open Trend **](https://flapen.com/research/us/tools-home-improvement/dual-flush-valve-replacement-kit/trend)
## **Top dual flush valve replacement kit search terms**
- **dual flush valve replacement kit**27K/yr-9.9%3.6% conv. - **push button toilet flush kit**7K/yr+15.7%3.6% conv. - **dual flush toilet kit**10K/yr-11.3%1.8% conv. - **dual flush valve**7K/yr+12.1%3.0% conv. - **toilet dual flush valve**7K/yr+4.7%1.5% conv. - **dual flush toilet parts**4K/yr+52.2%2.9% conv. - **dual flush toilet conversion kit**3K/yr-24.4%2.6% conv. - **dual flush conversion kit**4K/yr+18.6%1.7% conv. [**All search terms **](https://flapen.com/research/us/tools-home-improvement/dual-flush-valve-replacement-kit/search-terms)
## **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.
0%4%$2K8%$5K12%$7K16%$9K1101001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)1 product missing review or click data not plotted
All 24 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**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**$34.82**4.4★131 rev](https://www.amazon.com/dp/B0FPD8V1MM) [2**Danco HYR451T HyrdroRight Universal Water-Saving Toilet Repair Kit with Dual Flush Valve Lever Handle White HYR451T**Next by Danco**$28.08**4.0★2,241 rev](https://www.amazon.com/dp/B00B9BNGU0) [3**Danco HyrdroRight Water-Saving Toilet Tank Repair Kit with Dual Flush Valve Includes Dual Push Button Handle in Chrome (HYR460)**Danco**$27.67**4.1★4,569 rev](https://www.amazon.com/dp/B005FPNGWO) [4**Fluidmaster 3-Inch Dual Flush Valve Replacement for 2-Piece Toilets including Glacier Bay Aquasource and more**Fluidmaster**$29.42**4.6★755 rev](https://www.amazon.com/dp/B0852925D3) [5**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**$34.37**4.4★131 rev](https://www.amazon.com/dp/B0FPD94J7D)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**VIKECAT 3-Inch Dual Flush Valve Kit Fix Running Weak Flush & Leaks**VIKECAT**$29.77**0 rev2mo ago](https://www.amazon.com/dp/B0H2GTVZJF) [**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**$36.84**29 rev3mo ago](https://www.amazon.com/dp/B0GXZXXYVT) [**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**$37.24**15 rev3mo ago](https://www.amazon.com/dp/B0GY1L255Y) [**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**$38.68**36 rev5mo ago](https://www.amazon.com/dp/B0GF82R9C6) [**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**$34.96**52 rev8mo ago](https://www.amazon.com/dp/B0G49C955F)
**~~View all new products →~~**
### **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**$37.24**4.3★**▲ 308%**](https://www.amazon.com/dp/B0GY1L255Y) [**VIKECAT 3-Inch Dual Flush Valve Kit Fix Running Weak Flush & Leaks**VIKECAT**$29.77**0.0★**▲ 306%**](https://www.amazon.com/dp/B0H2GTVZJF) [**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**$36.84**4.0★**▲ 305%**](https://www.amazon.com/dp/B0GXZXXYVT) [**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**$38.71**5.0★**▲ 181%**](https://www.amazon.com/dp/B0G13NLTZG) [**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**$38.68**4.4★**▲ 149%**](https://www.amazon.com/dp/B0GF82R9C6)
**~~View all trending →~~**
## **What buyers say about dual flush valve replacement kit**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Assembly/Installation**29%
*“Easy to assemble”*
**Quality-Overall**9%
*“Excellent product”*
**Size-Overall**8%
*“Fit perfect”*
**Value For Money**7%
*“GREAT Deal”*
**Efficiency**5%
*“Does the job perfectly”*
**Advertised Vs Actual Product**5%
*“As advertised”*
**Instructions/User Manual/Troubleshooting**5%
*“Instructions are clear”*
**Ease Of Use**4%
*“Easy as pie”*
**Leak-Proof**3%
*“is leak free”*
**Maintenance And Repair**2%
*“Easy fix”*
### **What buyers complain about **
**Leak-Proof**11%
*“It leaks”*
**Noise Level**10%
*“Random noises”*
**Functionality-Overall**8%
*“doesnt function properly”*
**Size-Overall**7%
*“one of them the hose was to short”*
**Durability**7%
*“broke almost instantly”*
**Quality-Overall**5%
*“the company needs a little more quality control for the parts”*
**Assembly/Installation**3%
*“Frustrating installation”*
**Instructions/User Manual/Troubleshooting**3%
*“Poorly written instructions”*
**Strength**2%
*“not as sturdy as some other versions”*
**Product Condition**2%
*“Used. Arrived used. Was cleaned”*
### **Top return reasons **
**Size-Overall**44%
**Compatibility-Overall**10%
**Leak-Proof**9%
**Defective Material/Parts**9%
**Functionality-Overall**6%
**Advertised Vs Actual Product**4%
**Value For Money**3%
**Product Condition**2%
**Assembly/Installation**2%
**Maintenance And Repair**1%
## **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.
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