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grundfos alpha 2 25-40 180

Skip it44/100

a small market ($124K/yr) — grundfos alpha 2 25-40 180 doesn't clear our bar today.

Market/yr

€124K

Growth (1y)

+133.6%

Products

20

Brands

6

was 4 a year ago

Sellers

56

Price range

€34.08–€251.72

Returns

1.1%

Rating

4.5★

44/100

Skip it

Scored 44/100 across market size, growth, competition, quality gap, and returns.

Market sizeGrowthCompetitionQuality gapReturns
Market size
6
×0.30
Growth
69
×0.30
Competition
46
×0.20
Quality gap
35
×0.10
Returns
91
×0.10

Demand

Weekly Amazon search volume, last 104 weeks — +133.6% year over year.
2K757.5Prime Day '24Spike '24Black Friday '24Spike '25Black Friday '25Jul '24Nov '24Mar '25Jul '25Nov '25Mar '26

Seasonality

Monthly demand index across the year — 1.00 is average.

Peak months: Jan, Oct, Nov, Dec · busiest ÷ quietest = 3.3×

Competition

70%Grundfos
  • Grundfos70%
  • HST - Austria14%
  • Rohtenbach11%
  • CHM GmbH2%
  • Hocamel2%
  • IBO1%

The top 5 products take 59% of clicks — established leaders, but buyers still shop beyond them. 6 brands and 56 sellers compete here.

Brands

6 rising

was 4 a year ago

Sellers

56

Top 5 brand share

99%

#ProductBrandPriceRatingReviewsClick shareTrend
2Rohtenbach€39.454.4★19411%falling
9Grundfos€223.264.8★203%falling

Product shelf

All 20 tracked products in this niche.

Reviews

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

What buyers love

Qualität insgesamt21%

“gutes produkt”

Gesamtgröße16%

“hat gepasst”

Preis-Leistungs-Verhältnis14%

“Preis super”

Druck14%

“gute Heizungspumpe”

Effizienz11%

“Läuft gut”

Geräuschpegel9%

“Läuft sehr leise und gut”

beworben Vs Tatsächliches Produkt5%

“Macht was es soll”

Montage/Installation5%

“Schnelle Montage”

What buyers complain about

Defekt Material/Teile22%

“Leider defekt”

Geräuschpegel17%

“Sehr Geräuscharm”

Materialqualität17%

“Günstige bauweise”

Auslaufsicher11%

“Tagesfost oben undicht”

Montage/Installation11%

“muss erst eingebaut weden”

Anleitung/Benutzerhandbuch/Fehlerbehebung6%

“Leider war auch keine Anleitung dabei”

Stärke6%

“Sehr dünnes Plastik”

Top return reasons

  • Gesamtgröße49%
  • Defekt Material/Teile14%
  • Funktionalität insgesamt11%
  • beworben Vs Tatsächliches Produkt6%
  • Geräuschpegel4%
  • Kompatibilität – insgesamt4%
  • Montage/Installation3%
  • Gesamt anzeigen3%
  • Anleitung/Benutzerhandbuch/Fehlerbehebung1%
  • Preis-Leistungs-Verhältnis1%

Data scraped July 8, 2026 · Marketplace baseline: 4.4★ avg rating · €18.80 median price · 1.1% median returns across 7,212 tracked niches.