---
title: "Flushmate — $571K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/tools-home-improvement/flushmate"
last_updated: "2026-08-09T04:00:43.141Z"
locale: en
meta:
description: "Niche score 44/100 · $571K/yr market · 62K searches/yr · $133.84 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 44/100 · $571K/yr market · 62K searches/yr · $133.84 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Flushmate — $571K/yr Amazon US Niche (2026) - Flapen"
---
# **flushmate**
**Skip it**
Brand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.
Market size 63Growth 32Conversion 74Competition 25Returns 33Price range 42Avg price 64Brand share 0Review moat 85Quality gap 62
**Review moat**
**Great****297.13**
avg incumbent reviews — the moat a new listing must climb
**Conversion**
**Good****6.9%**
search→purchase rate — share of searches ending in a sale
**Avg price**
**Good****$133.84**
avg listing price — sweet spot $15–$100
**Market size**
**Good****$571K**
$571K/yr · 62K searches
**Quality gap**
**Good****4.4★**
avg incumbent rating — lower means beatable quality
**Price range**
**Okay****$15.40–$216.83**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Returns**
**Okay****4.4%**
return rate — above 5% kills the launch gate
**Growth**
**Okay****+5.4%**
90-day search growth — must beat 0% to launch
**Competition**
**Bad****70%**
top-5 click share — a locked-up shelf
**Brand share**
**Bad****100%**
top-5 brand share — brand-locked demand
**Signals**[** High Price**](https://flapen.com/research/niches?market=us&signal=high_price "Avg price > $50")
According to Flapen's Amazon United States niche tracking, flushmate is a $571K/yr Amazon United States market (62K searches/yr). The top 5 brands hold 100% of demand. Demand peaks in Aug. Verdict: Skip it — 44/100.
Data updated Jul 27, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **flushmate market data**
- **Units sold / yr**
- **3K–4K**
- avg 100–250/product
- **Revenue / yr**
- **$402K–$535K**
- units × avg price
- **Conversion rate**
- **6.9%**
- **Avg BSR**
- **#1,855**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **100%**
- **Out of stock**
- **4.0%**
- **Avg brand age**
- **32 months**
- **Avg seller age**
- **163 days**
## **Competition & brand share**
The top 5 products capture 70% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**5 **—flat
**Sellers**
**22**
**Top-5 brand share**
**100%**
Top 20: 100%
**Top-5 click share**
**70%**
Top 20: 100%
**Open market**
**0%**
- Flushmate69% - Suconvey21% - Edifla4% - Saiyugty4% - EcoFlush2% - Open — no brand owns it (0%)
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — +5.4% search growth over the last 90 days.
2K1KSpike '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: Aug · busiest ÷ quietest = 1.6×
[**Open Trend **](https://flapen.com/research/us/tools-home-improvement/flushmate/trend)
## **Top flushmate search terms**
- **flushmate 503**16K/yr+19.2%5.5% conv. - **flushmate**11K/yr-2.1%2.2% conv. - **flushmate 504**6K/yr-0.9%5.4% conv. - **sloan flushmate m-101526-f3**9K/yr-15.8%7.9% conv. - **sloan flushmate**5K/yr+9.5%2.6% conv. - **flushmate m-101526-f3**4K/yr+22.3%7.6% conv. - **flushmate 503 parts**4K/yr-5.6%3.2% conv. - **m-101526-f3**3K/yr+3.3%5.7% conv. - **flushmate 503 replacement tank kit**2K/yr+7.7%5.5% conv. [**All search terms **](https://flapen.com/research/us/tools-home-improvement/flushmate/search-terms)
## **Top flushmate 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%10%$57K20%$114K30%$171K40%$229K1101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 16 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Flushmate M-101526-F31 Complete Replacement System: 1.6 GPF System for Two-Piece Toilets Intended for All OEMS Except Kohler K4404 Gerber 28-385 and -F3B- Serial Numbers**Flushmate**$181.22**4.4★964 rev](https://www.amazon.com/dp/B00UPCMPSI) [2**503 F31 Pressure Assist Tank Assembly with Cartridge for Toilets model 503 Systems 1.6 gpf Tanks Replacement Tank 138.06 fl. oz.**Suconvey**$168.89**4.1★31 rev](https://www.amazon.com/dp/B0FBRLN6Y1) [3**Flushmate M-101526-F32 Complete Replacement System: 1.6 GPF System for Two-Piece Toilets Intended for Kohler K4404 Tank Quiet Operation Ideal for Residential & Commercial Use**Flushmate**$163.29**4.2★45 rev](https://www.amazon.com/dp/B01MSDASHM) [4**F42 504 Pressure Assist Tank Assembly with Cartridge for Toilets Replacement Tank 1.1GPF 1.0GPF for Two-Piece Toilet**Suconvey**$162.53**5.0★1 rev](https://www.amazon.com/dp/B0G242RFH3) [5**C-100500-K Flush Valve Cartridge Assembly for 500 501 501A 501B 503 504 Series Tank System Compatible with M-101526-F3 M-101526-F4 Pressure Assist Tank**Edifla**$37.22**3.7★79 rev](https://www.amazon.com/dp/B0D3YNGFC9)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**F42 504 Pressure Assist Tank Assembly with Cartridge for Toilets Replacement Tank 1.1GPF 1.0GPF for Two-Piece Toilet**Suconvey**$162.53**1 rev8mo ago](https://www.amazon.com/dp/B0G242RFH3) [**Flushmate M-101526-F31K Complete Replacement System: 1.6 GPF System for Two-Piece Toilets Upgrade Kit for PF/2 and EcoFlush B8106 Quiet Operation Ideal for Residential & Commercial Use**Flushmate**$208.80**6 rev11mo ago](https://www.amazon.com/dp/B0FML6GTF3) [**Flushmate M-101526-F41 Complete Replacement System: 1.0 GPF System for Two-Piece Toilets Intended for Vortens/Lamosa 3468 Tank Quiet Operation Ideal for Residential & Commercial Use**Flushmate**$171.74**329 rev11mo ago](https://www.amazon.com/dp/B0FMLGVV77) [**Flushmate M-101526-F33 Complete Replacement System: 1.6 GPF System for Two-Piece Toilets Intended for Gerber 28-385 Tank Quiet Operation Ideal for Residential & Commercial Use**Flushmate**$168.86**5 rev11mo ago](https://www.amazon.com/dp/B0FMHRXDQ8) [**503 F31 Pressure Assist Tank Assembly with Cartridge for Toilets model 503 Systems 1.6 gpf Tanks Replacement Tank 138.06 fl. oz.**Suconvey**$168.89**31 rev1y ago](https://www.amazon.com/dp/B0FBRLN6Y1)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**B8106S 1.6 GPF Pressure Assisted Flush System Complete Kit Includes Flush Control & Handle Assembly Official Replacement for B8106 & B8100 Easy Installation USA Tech Support**EcoFlush**$171.87**4.4★**▲ 273%**](https://www.amazon.com/dp/B07X32C636) [**F42 504 Pressure Assist Tank Assembly with Cartridge for Toilets Replacement Tank 1.1GPF 1.0GPF for Two-Piece Toilet**Suconvey**$162.53**5.0★**▲ 145%**](https://www.amazon.com/dp/B0G242RFH3) [**Flushmate M-101526-F31 Complete Replacement System: 1.6 GPF System for Two-Piece Toilets Intended for All OEMS Except Kohler K4404 Gerber 28-385 and -F3B- Serial Numbers**Flushmate**$181.22**4.4★**▲ 67%**](https://www.amazon.com/dp/B00UPCMPSI) [**Flushmate M-101526-F43 Complete Replacement System: 1.0 GPF System for Two-Piece Toilets Intended for Kohler K4484 Tank Quiet Operation Ideal for Residential & Commercial Use**Flushmate**$174.65**4.5★**▲ 33%**](https://www.amazon.com/dp/B07ZQV6K4Z) [**Flushmate M-101526-F41 Complete Replacement System: 1.0 GPF System for Two-Piece Toilets Intended for Vortens/Lamosa 3468 Tank Quiet Operation Ideal for Residential & Commercial Use**Flushmate**$171.74**4.5★**▲ 19%**](https://www.amazon.com/dp/B0FMLGVV77)
**~~View all trending →~~**
## **What buyers say about flushmate**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Assembly/Installation**23%
*“Works well once installed”*
**Size-Overall**14%
*“Right off the bat fit perfect”*
**Maintenance And Repair**9%
*“This easy repair will save you a bundle”*
**Leak-Proof**9%
*“Stopped the leak”*
**Value For Money**9%
*“was a lot cheaper than calling a plumber”*
**Quality-Overall**9%
*“This product is well made”*
**Instructions/User Manual/Troubleshooting**4%
*“Clear instructions”*
**Efficiency**4%
*“Works great”*
**Ease Of Use**3%
*“Easy replacement”*
**Advertised Vs Actual Product**2%
*“Worked perfectly and as described”*
### **What buyers complain about **
**Durability**14%
*“failed after a few months”*
**Functionality-Overall**13%
*“It did not solve my problem”*
**Quality-Overall**11%
*“Product is garbage”*
**Size-Overall**9%
*“Did not fit”*
**Assembly/Installation**7%
*“The second time around the unit could not be installed because the model number was one letter off from the one I had ordered”*
**Noise Level**6%
*“just louder noises”*
**Leak-Proof**5%
*“while they seemed to fit they not only leaked”*
**Instructions/User Manual/Troubleshooting**4%
*“Hard to follow with the instructions”*
**Adhesion/Stickiness**3%
*“Now it sticks”*
**Value For Money**3%
*“Costs a bit more”*
### **Top return reasons **
**Size-Overall**42%
**Compatibility-Overall**17%
**Defective Material/Parts**9%
**Functionality-Overall**8%
**Leak-Proof**7%
**Assembly/Installation**4%
**Advertised Vs Actual Product**3%
**Product Condition**2%
**Value For Money**2%
**Maintenance And Repair**1%
## **Common questions**
- **Is flushmate profitable to sell on Amazon United States?**
- The niche generates $571K/yr across 16 tracked products. 4 of 4 products launched in the last 360 days are still selling. 90-day search growth is +5.4%. Flapen's verdict: Skip it (44/100).
- **How competitive is the flushmate niche?**
- 5 brands and 22 sellers compete. The top 5 products take 70% of clicks and top 5 brands hold 100% of demand.
- **What do buyers complain about in flushmate?**
- Top complaints mined from reviews: Durability, Functionality-Overall, Quality-Overall. The return rate is 4.4%.
- **When does demand for flushmate peak?**
- Demand peaks in Aug; the busiest month runs 1.6× the quietest.
- **What does it cost to enter the flushmate niche?**
- Listings span $15.40–$216.83; the average listing price is $133.84 (sweet spot $15–$100). The average incumbent carries 297 reviews — the moat a new listing must climb.
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