Comparison numbers
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Best Water Alarms
Water Detector Comparison 2025
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Available at
Manufacturer
Dimensions
Alarm
Areas of application
Power supply
IP protection class
App
Advantages
Shipping (Amazon)
Best Product



1
ABUS HSWM10000
Amazon
Available at

see vendor / 0.00 £

see vendor / 0.00 £
Manufacturer
ABUS
Dimensions
1,4 x 2,4 x 4 in
Alarm
Areas of application
- - Bath
- - Kitchen
- - Cellar
Power supply
A battery
IP protection class
App
Advantages
- App control
- Alarm function
Shipping (Amazon)
see vendor
Amazon
Bestseller



2
HomeMatic 151694A0
Amazon
Available at

see vendor / 0.00 £

see vendor
Manufacturer
HomeMatic
Dimensions
1,2 x 3,1 x 3,1 in
Alarm
Areas of application
- - Cellar
- - Bath
Power supply
Battery, AAA battery, Power adapter
IP protection class
IP15, IP44, IP20, IP14
App
Advantages
- App control
Shipping (Amazon)
see vendor
Amazon



3
DETENO water alarm
Amazon
Available at

see vendor

see vendor
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
Amazon



4
Honeywell RWD21
Amazon
Available at

see vendor

see vendor
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
Amazon



5
sebson GS153
Amazon
Available at

see vendor / 0.00 £

see vendor
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
Amazon
Best Price



6
Smartwares FWA-1821
Amazon
Available at

see vendor / 0.00 £

see vendor / 0.00 £
Manufacturer
Smartwares
Dimensions
9,1 x 24,8 x 24,8 in
Alarm
Areas of application
- - Cellar
- - Bath
- - Kitchen
- - Boat
Power supply
Battery
IP protection class
IP65
App
Advantages
- Alarm function
Shipping (Amazon)
see vendor
Amazon



7
Schabus 300240
Amazon
Available at

see vendor

see vendor
Manufacturer
Schabus
Dimensions
1,7 x 2,4 x 4,6 in
Alarm
Areas of application
- - Cellar
Power supply
Power adapter
IP protection class
IP20
App
Advantages
Shipping (Amazon)
see vendor
Amazon