Comparison numbers

33 Products researched
9 Research hours
630 Readers
29,157 Customer ratings

Best Water Alarms

Water Detector Comparison 2026

water alarm
water alarm
 interconnected smoke detector
interconnected smoke detector
 carbon monoxide detector
carbon monoxide detector
 smoke alarm
smoke alarm
 carbon dioxide detector
carbon dioxide detector
 gas detector
gas detector
 smart smoke detector
smart smoke detector
 fire extinguisher
fire extinguisher
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Best Product
X-Sense water alarm
X-Sense water alarm
Amazon
Bestseller
WER water alarm
WER water alarm
Amazon
DETENO water alarm
DETENO water alarm
Amazon
Best Price
Honeywell RWD21
Honeywell RWD21
Amazon
sebson GS153
sebson GS153
Amazon
Brennenstuhl BrematicPRO 1294210
Brennenstuhl BrematicPRO 1294210
Amazon
Smartwares SH8-90102
Smartwares SH8-90102
Amazon
RatingHow we compare
Customer rating (from Amazon)
Available at
Manufacturer
Dimensions
Alarm
Areas of application
Power supply
IP protection class
App
Advantages
Shipping (Amazon)
Best Product
Best Product
AmazonX-Sense water alarm
Rating
Excellent05/2026

1

X-Sense water alarm
Customer rating
Amazon1,414 reviews
Check Price
Available at
55,99 £
see vendordays
71,73 £
see vendordays00£
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
Shipping (Amazon)
see vendor
Check Price
Bestseller
Bestseller
AmazonWER water alarm
Rating
Excellent05/2026

2

WER water alarm
Customer rating
Amazon1,025 reviews
Check Price
Available at
22,31 £
see vendordays
see vendordays
Manufacturer
Dimensions
1,2 x 3,1 x 3,1 in
Alarm
Areas of application
  • - Bath
  • - Kitchen
  • - Cellar
Power supply
Battery
IP protection class
App
Advantages
  • Has an alarm
Shipping (Amazon)
see vendor
Check Price
AmazonDETENO water alarm
Rating
Excellent05/2026

3

DETENO water alarm
Customer rating
Amazon4,313 reviews
Check Price
Available at
79,99 £
see vendordays
97,98 £
see vendordays00£
Manufacturer
Dimensions
2 x 4 x 8 in
Alarm
Areas of application
    Power supply
    Wired, Battery/rechargable Battery
    IP protection class
    App
    Advantages
    Shipping (Amazon)
    see vendor
    Check Price
    Best Price
    Best Price
    AmazonHoneywell RWD21
    Rating
    Excellent05/2026

    4

    Honeywell RWD21
    Customer rating
    Amazon2,401 reviews
    Check Price
    Available at
    16,74 £
    see vendordays
    see vendordays
    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
      Shipping (Amazon)
      see vendor
      Check Price
      Amazonsebson GS153
      Rating
      Excellent05/2026

      5

      sebson GS153
      Customer rating
      Amazon1,906 reviews
      Check Price
      Available at
      17,99 £
      see vendordays
      23,34 £
      see vendordays00£
      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
      Shipping (Amazon)
      see vendor
      Check Price
      AmazonBrennenstuhl BrematicPRO 1294210
      Rating
      Very Good05/2026

      6

      Brennenstuhl BrematicPRO 1294210
      Customer rating
      Amazon20 reviews
      Check Price
      Available at
      44,70 £
      see vendordays
      see vendordays
      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
      Shipping (Amazon)
      see vendor
      Check Price
      AmazonSmartwares SH8-90102
      Rating
      Very Good05/2026

      7

      Smartwares SH8-90102
      Customer rating
      Amazon30 reviews
      Check Price
      Available at
      17,99 £
      see vendordays
      9,00 £
      see vendordays00£
      Manufacturer
      Smartwares
      Dimensions
      Alarm
      Areas of application
        Power supply
        IP protection class
        App
        Advantages
        • With app
        • Alarm function
        Shipping (Amazon)
        see vendor
        Check Price

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