10 Best water alarm for sump pumps of 2025

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Best Choice

1

LEVEL SENSE
Level Sense Sump Pump Alarm with 15-Foot Float Switch | 120 dB High Water Siren | Rechargeable LiPo Battery Backup Lasts Up to 1 Week | Reliable Sump Pump Failure Detector
Main highlights

Key Features
120 dB alarm, built-in LiPO battery for 1-week uptime during outages, easy install, made in USA with a two-year warranty.

Ideal Use Cases
Perfect for homes with sump pumps, especially in areas prone to power outages or floods, ensuring timely alerts to prevent water damage.

Customer Reviews
Most praised for its loud alarm, reliable battery life, and simplicity of installation, offering peace of mind to homeowners.
Key specs
- control method:App
- noise level:120 dB
- maximum range:N/A
- battery:1 Lithium Polymer
- material:N/A
9.8

Exceptional

Our Rating

9.7
worth the money

9.5
Easy installation

8.9
Vacuum strength
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Based on millions of stores and reviews

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Value for Money

2

MOKYDUO
Smart WiFi High Water Level Alarm with Mobile App Alerts, Sump Pump Alarm, Water Level Sensor Detector, 90dB Siren, LED Strobe, IP44 Waterproof, Easy-Install, Protect Home from Water Damage
Main highlights

Automatic Alerts and App Connectivity
Automatically triggers a 90dB siren and connects to a mobile app for remote alerts, ensuring timely warnings.

Ideal for Home Water Management
Perfect for sump pumps and water tanks, providing reliable alerts to prevent overflow or flooding.

Praised for Easy Installation
Users appreciate the quick and flexible installation options, making it adaptable to various scenarios.
9.7

Exceptional

Our Rating
3

THE BASEMENT WATCHDOG
THE BASEMENT WATCHDOG Model BWD-HWA 110 dB Battery Operated Water Alarm

37% Off
Main highlights

Sensitive Detection
Detects as little as 1/32 inch of water, offering a reliable early warning.

Versatile Installation
Ideal for basements, under sinks, and around water heaters.

Customer Praise for Loud Alarm
Users appreciate the 110 dB alarm, heard throughout the house.
Key specs
- control method:N/A
- noise level:110 dB
- maximum range:6 ft. wire
- battery:Battery Powered
- material:Multi
9.6

Exceptional

Our Rating

9.9
Easy installation

9.7
Battery Duration

9.5
Noise level
4

MySpool
MySpool Water Level Alert with Text Message and Email Notifications, Battery Powered with a Float Sensor

13% Off
Main highlights

Instant Alert Notifications
Sends immediate text and email alerts when water is detected.

Ideal for Home Safety
Perfect for monitoring sump pumps and preventing basement flooding.

Praised Customer Service
Highly rated for excellent customer support and easy troubleshooting.
9.5

Excellent

Our Rating

9.3
WiFi signal

9.1
worth the money

9.1
Tech Support
5

Topvico
Topvico Water Alarms for Basements, Heater Leak Detector, Sump Pump Overflow RV Moisture Flood Sensor, 120dB Work Alone Battery Operated 3 Packs
Main highlights

Key Features
120dB alarm, high sensitivity with 24k plating detect board, easy installation with 3M paster, extendable 37.8 inches cable, powered by 9V battery.

Ideal Use Cases
Perfect for basements, sump pump overflow, heater leaks, kitchens, and detecting high water levels in various locations.

Customer Reviews
Most praised for its loud alarm, ensuring users and neighbors are promptly alerted to water leaks and potential damage.
Key specs
- control method:Pre-paste
- noise level:120 dB
- maximum range:37.8 inches cable
- battery:1 9V batteries required
- material:ABS
9.3

Excellent

Our Rating

9.9
worth the money

9.9
Tech Support

9.7
Easy installation
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6

briidea
Sump Pump Alarm, Briidea Indoor/Outdoor High Water Septic Tank Alarm with 110dB Loud Alarm and Large LED Indicator, 10ft Level Float Switch, Ideal for Septic Sump Pump Pond Water Tank
Main highlights

Key Features
110 dB alarm, weatherproof IP67-rated enclosure, adjustable 10 ft float switch. Ensures loud, reliable flood alerts in any weather condition.

Ideal Use Cases
Perfect for sump pumps, water tanks, sewage systems, and monitoring low-density oils. Exceptional for both indoor and outdoor applications.

Customer Praise
Most reviews highlight the alarm`s loudness and reliability, appreciating the peace of mind it offers against potential water damage.
Key specs
- control method:Float switch
- noise level:110 dB
- maximum range:10 ft
- battery:N/A
- material:Weatherproof components
9.2

Excellent

Our Rating
7

winees
Winees WiFi Water Leak Detector, 3 Pack Water Sensors with 100dB Adjustable Alarm, Leak Alert Email&SMS Notification, 200M Transmission for Basement, Bathroom, Laundry, IFTTT, S1 Plus, 2.4G WiFi Only
Main highlights

Real Time Monitoring and Alerts
Monitor water leaks remotely via app, SMS, and email notifications for immediate action.

Ideal for High Risk Areas
Perfect for basements, bathrooms, and laundry rooms with 100-meter range.

Highly Rated Notification System
Praised for reliable alerts and ease of setup, enhancing peace of mind.
Key specs
- control method:App
- noise level:100 dB
- maximum range:100 Meters
- battery:3 Lithium Ion batteries
- material:N/A
9.1

Excellent

Our Rating

9.5
worth the money

9.3
Easy installation

9.3
Battery Duration
8

THE BASEMENT WATCHDOG

The Basement Watchdog Compact 110 dB 360° Water Alarm Detects Water on All Sides (BW-WA360)

15% Off
8.8

Very Good

Our Rating
9

Sekelo

Sump Pump Alarm, High Water Leak Detection, with 110dB Loud Alarm and LED Indicator, 5ft Probe Cable, Suitable for Indoor/Outdoor Systems in Basements, Septic Tanks, and Sumps
8.7

Very Good

Our Rating
10

Daytech

Daytech Water Leak Detector 2-Pack – 100dB Loud Alarm with 6.5ft Detection Cable, 4 Volume Levels, Flood Sensor for Basement, Bathroom, Sump Pump & Home
8.4

Good

Our Rating

10 Best water alarm for sump pumps of 2025

1

Level Sense Sump Pump Alarm with 15-Foot Float Switch | 120 dB High Water Siren | Rechargeable LiPo Battery Backup Lasts Up to 1 Week | Reliable Sump Pump Failure Detector

9.7

9.5

8.9

How do we rank?

How do we rank?

Analyzing top stores

2

Smart WiFi High Water Level Alarm with Mobile App Alerts, Sump Pump Alarm, Water Level Sensor Detector, 90dB Siren, LED Strobe, IP44 Waterproof, Easy-Install, Protect Home from Water Damage

3

THE BASEMENT WATCHDOG Model BWD-HWA 110 dB Battery Operated Water Alarm

9.9

9.7

9.5

4

MySpool Water Level Alert with Text Message and Email Notifications, Battery Powered with a Float Sensor

9.3

9.1

9.1

5

Topvico Water Alarms for Basements, Heater Leak Detector, Sump Pump Overflow RV Moisture Flood Sensor, 120dB Work Alone Battery Operated 3 Packs

9.9

9.9

9.7

6

Sump Pump Alarm, Briidea Indoor/Outdoor High Water Septic Tank Alarm with 110dB Loud Alarm and Large LED Indicator, 10ft Level Float Switch, Ideal for Septic Sump Pump Pond Water Tank

7

Winees WiFi Water Leak Detector, 3 Pack Water Sensors with 100dB Adjustable Alarm, Leak Alert Email&SMS Notification, 200M Transmission for Basement, Bathroom, Laundry, IFTTT, S1 Plus, 2.4G WiFi Only

9.5

9.3

9.3

8

The Basement Watchdog Compact 110 dB 360° Water Alarm Detects Water on All Sides (BW-WA360)

9

Sump Pump Alarm, High Water Leak Detection, with 110dB Loud Alarm and LED Indicator, 5ft Probe Cable, Suitable for Indoor/Outdoor Systems in Basements, Septic Tanks, and Sumps

10

Daytech Water Leak Detector 2-Pack – 100dB Loud Alarm with 6.5ft Detection Cable, 4 Volume Levels, Flood Sensor for Basement, Bathroom, Sump Pump & Home

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