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Best Water Alarms

Water Detector Comparison 2026

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Best Product
HomeMatic 151694A0
HomeMatic 151694A0
Check Price
Amazon
Bestseller
X-Sense water alarm
X-Sense water alarm
Check Price
Amazon
DETENO water alarm
DETENO water alarm
Check Price
Amazon
Best Price
Honeywell RWD21
Honeywell RWD21
Check Price
Amazon
sebson GS153
sebson GS153
Check Price
Amazon
Brennenstuhl BrematicPRO 1294210
Brennenstuhl BrematicPRO 1294210
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Amazon
Smartwares SH8-90102
Smartwares SH8-90102
Check Price
Amazon
Our Ratings
Model
Customer Ratings
Seller
Available From
Manufacturer
Dimensions
Alarm
Areas of application
Power supply
IP protection class
App
Advantages
1
Best Product
HomeMatic 151694A0
Vergleichsergebnis
Rating
Excellent
05 / 2026
Model
HomeMatic 151694A0
Bewertung
1465 Reviews
Zum Anbieter
Amazon
Available at
amazon
£42.18
eBay
Check Price
Manufacturer
HomeMatic
Dimensions
1,2 x 3,1 x 3,1 in
Alarm
Areas of application
  • Bath
  • Cellar
  • Kitchen
Power supply
Battery, AAA battery, Power adapter
IP protection class
IP10, IP14, IP15, IP20, IP44
App
Advantages
  • App control
2
Bestseller
X-Sense water alarm
Vergleichsergebnis
Rating
Excellent
05 / 2026
Model
X-Sense water alarm
Bewertung
1395 Reviews
Zum Anbieter
Amazon
Available at
amazon
£55.99
eBay
£66.22
Manufacturer
X-Sense
Dimensions
1,1 x 3 x 3 in
Alarm
Areas of application
  • Bath
  • Cellar
  • Kitchen
Power supply
Battery
IP protection class
IP66
App
Advantages
  • With app
  • Has an alarm
3
DETENO water alarm
Vergleichsergebnis
Rating
Excellent
05 / 2026
Model
DETENO water alarm
Bewertung
4285 Reviews
Zum Anbieter
Amazon
Available at
amazon
£79.99
eBay
£102.29
Manufacturer
Dimensions
2 x 4 x 8 in
Alarm
Areas of application
    Power supply
    Wired, Battery/rechargable Battery
    IP protection class
    App
    Advantages
    4
    Best Price
    Honeywell RWD21
    Vergleichsergebnis
    Rating
    Excellent
    05 / 2026
    Model
    Honeywell RWD21
    Bewertung
    2399 Reviews
    Zum Anbieter
    Amazon
    Available at
    amazon
    £16.28
    eBay
    Check Price
    Manufacturer
    Honeywell
    Dimensions
    1,4 x 5,5 x 7,2 in
    Alarm
    Areas of application
      Power supply
      IP protection class
      App
      Advantages
      • Has an alarm
      5
      sebson GS153
      Vergleichsergebnis
      Rating
      Excellent
      05 / 2026
      Model
      sebson GS153
      Bewertung
      1887 Reviews
      Zum Anbieter
      Amazon
      Available at
      amazon
      £17.99
      Manufacturer
      sebson
      Dimensions
      0,9 x 2,4 x 2,4 in
      Alarm
      Areas of application
      • Bath
      • Kitchen
      • Cellar
      Power supply
      Battery
      IP protection class
      IP65
      App
      Advantages
      6
      Brennenstuhl BrematicPRO 1294210
      Vergleichsergebnis
      Rating
      Very Good
      05 / 2026
      Model
      Brennenstuhl BrematicPRO 1294210
      Bewertung
      20 Reviews
      Zum Anbieter
      Amazon
      Available at
      amazon
      £44.70
      eBay
      Check Price
      Manufacturer
      Brennenstuhl
      Dimensions
      0,8 x 2,4 x 2,4 in
      Alarm
      Areas of application
      • Bath
      • Kitchen
      • Cellar
      Power supply
      Battery/rechargable Battery
      IP protection class
      IP20
      App
      Advantages
      • Has an alarm
      • Control via app
      7
      Smartwares SH8-90102
      Vergleichsergebnis
      Rating
      Very Good
      05 / 2026
      Model
      Smartwares SH8-90102
      Bewertung
      29 Reviews
      Zum Anbieter
      Amazon
      Available at
      amazon
      £17.98
      eBay
      £5.99
      Manufacturer
      Smartwares
      Dimensions
      Alarm
      Areas of application
        Power supply
        IP protection class
        App
        Advantages
        • With app
        • Alarm function