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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Value for Money

2

LUCKYDUO

LUCKYDUO WiFi Sump Pump Alarm, Smart Water Level Alert with App Notification, High Water Lever Sensor Detector for Indoors/Outdoors with 10ft Tethered Float Switch, 110dB Loud Alarm, LED Flashing
9.6

Exceptional

Our Rating
3

THE BASEMENT WATCHDOG
THE BASEMENT WATCHDOG Model BWD-HWA 110 dB Battery Operated Water Alarm
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
9.5

Excellent

Our Rating

9.9
Easy installation

9.7
Battery Duration

9.5
Noise level
4

GoveeLife
GoveeLife Upgraded Smart Water Leak Detector 1s with 1804ft Ultra-Long Range, WiFi Water Sensor with SMS/Email/APP Push and Sound Alarm, 5-Year Battery Life, Suit for Home, Basement, Kitchen, 3 Pack

27% Off
Main highlights

Smart Leak Detection
Catch leaks early with smartphone alerts and a 105 dB alarm.

Ideal for Large Homes
Ultra-long 1804 ft range covers basements, kitchens, and bathrooms.

Long Battery Life
Praised for its 5-year battery life, minimizing replacements.
Key specs
- control method:App
- noise level:105 dB
- maximum range:1804 Feet
- battery:6 AAA batteries
- material:N/A
9.4

Excellent

Our Rating
5

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
9.3

Excellent

Our Rating
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6

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
9.1

Excellent

Our Rating

9.9
worth the money

9.9
Tech Support

9.7
Easy installation
7

SwitchBot

SwitchBot WiFi Water Leak Detector, Smart Water Sensor with 100dB Adjustable Alarm&App Alerts, IP67 Waterproof, Detector for Home with Cable, No Hub Required (Support 2.4G) (White, Pack, 1)
9.0

Excellent

Our Rating
8

THE BASEMENT WATCHDOG

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

15% Off
8.7

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

20% Off
8.6

Very Good

Our Rating
10

MOKYDUO
Smart WiFi High Sump Pump Alarm, Float Switch Water Level Detector, Free APP Alerts, 90dB Siren, LED, IP44 Waterproof, Easy-Install, Prevents Water Damage in Basement, Septic Tank, Water Tank (WLA-Z2)
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.
8.5

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

LUCKYDUO WiFi Sump Pump Alarm, Smart Water Level Alert with App Notification, High Water Lever Sensor Detector for Indoors/Outdoors with 10ft Tethered Float Switch, 110dB Loud Alarm, LED Flashing

3

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

9.9

9.7

9.5

4

GoveeLife Upgraded Smart Water Leak Detector 1s with 1804ft Ultra-Long Range, WiFi Water Sensor with SMS/Email/APP Push and Sound Alarm, 5-Year Battery Life, Suit for Home, Basement, Kitchen, 3 Pack

5

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

6

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

7

SwitchBot WiFi Water Leak Detector, Smart Water Sensor with 100dB Adjustable Alarm&App Alerts, IP67 Waterproof, Detector for Home with Cable, No Hub Required (Support 2.4G) (White, Pack, 1)

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

Smart WiFi High Sump Pump Alarm, Float Switch Water Level Detector, Free APP Alerts, 90dB Siren, LED, IP44 Waterproof, Easy-Install, Prevents Water Damage in Basement, Septic Tank, Water Tank (WLA-Z2)

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