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53

rückstauklappe

Worth a look

Shows a sweet-spot price point ($34.01 avg), but a small market ($58K/yr) keeps it on the watch list.

Market size 14Growth 36Conversion 23Competition 81Returns 57Price range 36Avg price 95Brand share 84Review moat 75Quality gap 65

Avg price

Incredible€34.01

avg listing price — sweet spot $15–$100

Brand share

Great51%

top-5 brand share — no brand owns this niche

Competition

Great34%

top-5 click share — an open shelf

Review moat

Great490.1

avg incumbent reviews — the moat a new listing must climb

Quality gap

Good4.4★

avg incumbent rating — lower means beatable quality

Returns

Good2.7%

return rate — above 5% kills the launch gate

Growth

Okay+9.1%

90-day search growth — must beat 0% to launch

Price range

Okay€4.81–€240.19

cheapest to priciest tracked listing — scored on the share inside $15–$100

Conversion

Bad1.8%

search→purchase rate — share of searches ending in a sale

Market size

Bad€58K

€58K/yr · 91K searches

According to Flapen's Amazon Germany niche tracking, rückstauklappe is a €58K/yr Amazon Germany market (91K searches/yr). The top 5 brands hold 51% of demand. Demand peaks in Jul–Aug–Sep. Verdict: Worth a look — 53/100.

Data updated Jul 8, 2026 · scored weekly · How we score niches

rückstauklappe market data

Units sold / yr
2K–3K
avg 0–100/product
Revenue / yr
€68K–€85K
units × avg price
Conversion rate
1.8%
Avg BSR
#393
Page quality
0%
Prime
72%
Sponsored
70%
Out of stock
1.6%
Avg brand age
60 months
Avg seller age
186 days

Competition & brand share

Clicks spread well past the top 5 (34% combined) — an open shelf where new products get seen.

Brands

33 flat

Sellers

71

Top-5 brand share

51%

Top 20: 89%

Top-5 click share

34%

Top 20: 72%

Open market

43%

  • WYSKONT21%
  • Pestan11%
  • Uzman7%
  • Haco6%
  • kör4u6%
  • WeCooper6%

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — +9.1% search growth over the last 90 days.
4K3KSpike '25Prime Day '25Spike '26SepDecMarJunAugNovMarMay

Peak months: Jul, Aug, Sep · busiest ÷ quietest = 2.2×

Top rückstauklappe search terms

  • rückstauklappe20K/yr
  • rückstauklappe dn 10019K/yr
  • rückstauklappe abwasser8K/yr
  • rückschlagklappe9K/yr
  • rückschlagklappe abwasser4K/yr
  • rückstauklappe dunstabzug8K/yr
  • fäkalien rückstauklappe4K/yr
  • rückschlagventil abwasser3K/yr
  • rückstauklappe 1106K/yr
  • rückstauklappe 1254K/yr
All search terms

Top rückstauklappe 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%3%€2K6%€3K9%€5K12%€7K101001K10K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 24 tracked products in this niche — three views at once, no toggling.

What buyers say about rückstauklappe

What buyers praise and complain about, mined from review topics.

What buyers love

Gesamtgröße22%

“Passt”

Qualität insgesamt20%

“Super Produkt”

beworben Vs Tatsächliches Produkt14%

“So wie es sein soll”

Preis-Leistungs-Verhältnis8%

“Super Lösung für den Preis”

Montage/Installation7%

“Einfache Installation”

Effizienz6%

“funktioniert bisher super.”

Geruch3%

“Geruchsverschluss funktioniert”

Benutzerfreundlichkeit3%

“Lässt sich sehr leicht verbauen”

Heizung2%

“Sehr effektives Upgrade, um Heizkosten zu sparen”

Kompatibilität – insgesamt1%

“Funktioniert auch auf Stufe1 meines Dunstabzuges, passt perfekt, Support 1A”

What buyers complain about

Auslaufsicher18%

“undicht”

Qualität insgesamt12%

“Preis ist zu hoch für die Qualität”

Gesamtgröße10%

“keine 10 cm Durchmesser”

Funktionalität insgesamt7%

“Funktion noch nicht überprüft”

Entwässerung6%

“Rückflussklappe”

Wasserbeständigkeit5%

“Wasserschaden dadurch entstanden”

Preis-Leistungs-Verhältnis5%

“Für 10€ schon etwas teuer”

Geruch4%

“der unangenehme Geruch ist endlich weg”

Dicke4%

“Silikonmembran hätte dünner sein müssen”

Messung / Ablesegenauigkeit3%

“Funktioniert aber die Maße sind nicht korrekt,”

Top return reasons

Gesamtgröße60%
Defekt Material/Teile6%
Mechanismus probleme5%
Funktionalität insgesamt5%
Kompatibilität – insgesamt5%
Auslaufsicher4%
Qualität insgesamt2%
Konnektivität – insgesamt2%
Montage/Installation2%
Verriegelungsmechanismus2%

Common questions

Is rückstauklappe profitable to sell on Amazon Germany?
The niche generates €58K/yr across 50 tracked products. 0 of 3 products launched in the last 360 days are still selling. 90-day search growth is +9.1%. Flapen's verdict: Worth a look (53/100).
How competitive is the rückstauklappe niche?
33 brands and 71 sellers compete. The top 5 products take 34% of clicks and top 5 brands hold 51% of demand.
What do buyers complain about in rückstauklappe?
Top complaints mined from reviews: Auslaufsicher, Qualität insgesamt, Gesamtgröße. The return rate is 2.7%.
When does demand for rückstauklappe peak?
Demand peaks in Jul–Aug–Sep; the busiest month runs 2.2× the quietest.
What does it cost to enter the rückstauklappe niche?
Listings span €4.81–€240.19; the average listing price is €34.01 (sweet spot $15–$100). The average incumbent carries 490 reviews — the moat a new listing must climb.