Comparison numbers
| 33 | Products researched | |
| 9 | Research hours | |
| 630 | Readers | |
| 0 | Customer ratings |
Best Water Alarms
Water Detector Comparison 2026
Sort & Filter
Best Product
Moen 920-004 Flo
Amazon
Honeywell RWD21
Amazon
Bestseller
DETENO water alarm
Amazon
Smartwares FWA-1821
Amazon
Available at
Manufacturer
Dimensions
Alarm
Areas of application
Power supply
App
Advantages
Shipping (Amazon)
Best Product
1
Moen 920-004 Flo
Customer rating
no reviewsAmazon
Available at
see vendordays00$
see vendordays6.976.97$
Manufacturer
Moen
Dimensions
1,5 x 2,6 x 3,3 in
Alarm
Areas of application
- - Cellar
Power supply
Lithium metal battery
App
Advantages
- With app
Shipping (Amazon)
see vendorAmazon
2
Honeywell RWD21
Customer rating
no reviewsAmazon
Available at
see vendordays
see vendordays5.495.49$
Manufacturer
Honeywell
Dimensions
1,4 x 5,5 x 7,2 in
Alarm
Areas of application
Power supply
App
Advantages
- Has an alarm
Shipping (Amazon)
see vendorAmazon
Bestseller
3
DETENO water alarm
Customer rating
no reviewsAmazon
Available at
see vendordays00$
see vendordays00$
Manufacturer
Dimensions
2 x 4 x 8 in
Alarm
Areas of application
Power supply
Wired, Battery/rechargable Battery
App
Advantages
Shipping (Amazon)
see vendorAmazon
4
Smartwares FWA-1821
Customer rating
no reviewsAmazon
Available at
see vendordays
see vendordays
Manufacturer
Smartwares
Dimensions
9,1 x 24,8 x 24,8 in
Alarm
Areas of application
- - Cellar
- - Bath
- - Kitchen
- - Boat
Power supply
Battery
App
Advantages
- Alarm function
Shipping (Amazon)
see vendorAmazon
