Best Water Detectors 2025

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Last Updated - 09/06/2025

Best Choice

01

X-Sense

X-Sense Smart Water Detector with Battery, WLAN Water Sensor, Compact Flood Sensor with Adjustable Volume of up to 110 dB and 500 m Range, for Kitchens, Basements and Bathrooms

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9.6

Exceptional

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Waterproof according to IP66: the waterproof class IP66 allows it to be used in humid environments, e.g. near appliances that use water, such as dishwashers, water heaters or washing machines. The robust structure and rust-proof outer coating allow for long-term use.
WIRELESS & SLIM DESIGN No wiring or setup required. Thanks to its diameter of only 29 mm, this water leak sensor is small and compact enough to fit anywhere. It blends harmoniously into any home decor and has a service life of 5 years. It also has replaceable batteries that last about 3 years (included).
REAL TIME NOTIFICATIONS In case of detecting a water leak, a push notification will be sent to your phone, so you will be warned quickly even when you are away from home. You can share the device with your family members so they can check the device status anytime and anywhere.
Please note: this device is NOT compatible with voice control systems such as Alexa.
High Sensitivity This water leak detector is equipped with 2 upper and 4 lower sensors to detect water leaks and floods. It detects a minimum water level of 0.4 mm and warns of water damage early by flashing the LED light red.
Customize your needs: real-time app alerts, device test function, low battery warning, activation of sharing function, etc. The "Remind later" function allows you to temporarily mute the system, and the timer can be set to 10 minutes/30 minutes/2 hours/6 hours/12 hours.
AUDIBLE ANYWHERE - Once the alarm is triggered, the warning sound will sound simultaneously from both the water leak sensor and the base station with a volume of up to 110dB - this is loud enough for everyone to hear it. Simply mute the alarm via the app or press the mute button on the base station or water leak sensor.

56,59 €
02

X-Sense

X-Sense SWS0A41 WLAN Water Detector with SBS50 Base Station, Smart Water Detector, App Warnings (Only 2.4G), Waterproof to IP67, Wireless Water Sensor for Kitchen, Bathroom, Basement, SWS0A41, Set of

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20% Off
9.5

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Works in humid environments: thanks to the protection class IP67, this water detector meets even in damp rooms, e.g. near dishwashers or water heaters, reliable its purpose. Once installed, it is maintenance-free as the batteries last up to 3 years - and by simply changing the service life can be extended to 5 years
Top & Bottom Sensors This water detector has two sensitive water probes on the top and four on the bottom. This allows it to detect both water accumulation from a depth of only 0.4 mm and drops from above. So you will be informed immediately as soon as water leaks unexpectedly without having to check for yourself
SLIM DESIGN EASY INSTALLATION This water sensor fits into tight and hard-to-reach areas thanks to its compact design; the device is only 17mm thick and has a diameter of 77mm
One APP with many functions: adjust the alarm volume of the base station, mute the alarm and view the alarm history via the app. Tap "Remind later" to temporarily mute the alarms (10 minutes, 30 minutes, 2 hours, 6 hours or 12 hours). Via the app, you can test the device, receive low battery warnings and share the sensor with others
Long range: You can confidently place this sensor in an outbuilding or a remote corner: with a wireless range of up to 500 m in open areas, you can receive notifications via the app at any time, regardless of its location
Don't miss a leak: if a water leak is detected, a red light on the water sensor flashes and the base station emits an alarm up to 100 dB. In addition, you will be notified via app on your mobile phone (only 2.4G) - so you will be informed about leaks in your home even on the go
Detects leaks throughout the home: this wifi water sensor detects leaks on and in windows, bathrooms, kitchens, garages, toilets, sinks, water pipes, laundry rooms, basements and wine cellars
Base station alarm: if water is detected, a red LED flashes on the water detector. However, an acoustic alarm is only issued by the base station. If you want a model where both the device and the base station emit a sound, we recommend the X-Sense SWS54 kit with WiFi water detector

55,99 € 69,99 €(20% Off off)
03

GoveeLife

GoveeLife Water Detectors Pack of 5, 100 dB Adjustable Audio Water Sensor, Can Be Used Directly in Humidity and Water, for Kitchen, Bathroom, Cellar (Including Battery)

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9.3

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Wireless and Easy to Use No cable or setup required, the mini size allows you to put it on any area where the water leak can happen. With the "B0BWQZ19JR" kit, you can monitor leaks on your phone even when you are not at home. (Delivery without "B0BWQZ19JR")
Low battery warning: the alarm sensor for the water detector beeps and flashes red when the battery is low, or you press the button to check the battery level.
IP66 Waterproof - Fully sealed, waterproof construction allows for use in areas with high humidity.
Drip and Leak Alarm In addition to 2 groups of backflow detector sensor probes, each water detector also has 1 group of front probes for pipe drops. (Note: Only can be paired with the water detector gateway, not with the hygrometer gateway)
Adjustable alarm sound: each water monitor has an adjustable alarm sound from 0-100 dB. Loud enough to be heard even if the leak occurs in the basement. Press the mute button to mute the sound when you find a water leak.

29,99 €
04

ABUS

ABUS Water Detector HSWM10000, White, 55082

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25% Off
9.1

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Suitable for use on the floor in the kitchen, bathroom or cellar.
Immediate acoustic reaction upon contact with water.

13,18 € 17,70 €(25% Off off)
Value for Money

05

Aqara

Aqara Water Leak Sensor, REQUIRES AQARA HUB, Wireless Water Leak Detector, Wireless Mini Flood Detector for Alarm System and Smart Home Automation, Water Sensor Alarm for Kitchen Bathroom Basement

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38% Off
8.9

Very Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Wireless and sensitive: no wiring or screws required. The ultra-small design allows the sensor to be placed anywhere drops and leaks can occur, and the flood sensor is designed with sensitive leakage probes with a water level threshold of 0.5 mm
Smart Home: Controls and triggers devices connected to Aqara when excess water is detected
Notes: A Aqara hub is required and sold separately. A secure 2.4GHz Wi-Fi network connection is also required. The Aqara Smart Home central M2 or M1S can connect up to 128 devices (*A repeater such as smart socket or Aqara smart light switch (with neutral conductor) is required)
Leading quality: durable waterproof IP67 housing with anti-rust outer coating
Flood Detection Whenever the Aqara water detector detects water, it can send a warning to your phone and activate the local alarm on the Aqara Hub to prevent leaks and flooding. Smart Home: it controls and triggers devices connected to Aqara when excess water is detected

15,99 € 25,99 €(38% Off off)
06

Geevon

Geevon Water Detector Water Alarm Pack of 2, 100 dB Water Detector, Water Sensor Alarm, Battery Operated for Basements, Bathrooms, Laundry Rooms, Kitchens, Garages and Attics (Supplied with Battery)

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8.8

Very Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Wherever leaks happen – Geevon water leak detector for residential houses with 3.15 inches diameter and 1.18 inches height, which can be easily placed anywhere you want, such as basements, bathrooms, under sinks or through water heaters to detect the leaks while they occur. Don't let the water outlet damage your property and cost your money
Water alarm battery operated. Water detector alarm is powered by 6F22 9V battery (supplied with battery). No wiring or screws required. Unwind the included battery and install it. Then place the water detector in areas where leaks and flooding may occur
LOUD 100 dB water alarms for home - Each water alarm leak detector has ultra-loud 100 dB alarm audio, which is loud enough to be heard throughout the house, even if leak happens in the cellar, garages or wine cellar. The water detector sensor sounds as soon as the water is detected and warns you of water leakage to avoid flooding
Highly sensitive water sensor: basement water sensor alarm with three metal prongs embedded on the bottom, is made of high-quality ABS materials and electronic parts and waterproof design, it is okay to float on water to detect leaks to prevent water damage
100% MONEY BACK GUARANTEE. Each package comes with 2 x wireless water detector alarm sensors and 2 x 9V batteries. We offer 30-day free money back, 12-month warranty and lifetime advice service

14,99 €
07

X-Sense

X-Sense STANDALONE Water Detector without App Support, Battery Operated Water Sensor IP66, Mini Water Detector with 110 dB Audio Alarm, Water Alarm Detector for Kitchens, Sinks, WS01, Set of 3

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8.7

Very Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Wireless and sensitive: mini size, slim format and therefore easy to install in small, hard-to-reach areas, such as under the dishwasher or near water pipes. Features sensitive probes that accurately and timely detect a minimum water level of 0.4 mm
Standalone, no Wi-Fi model, not compatible with base station. App function is not supported
REAL TIME WATER LEAKS AND Flood Monitoring - 4 lower and 2 upper sensor sensors to detect water leaks and floods as well as early warning of water damage. Suitable for kitchens, bathrooms, cellars etc.
LONG LIFE - The unit has a total life of 5 years and is powered by 2 replaceable AAA batteries (included) that last for 3 years. When the battery is low, an acoustic warning signal and a red flashing LED light reminds you to change the batteries
IP66 waterproof: thanks to the IP66 waterproof rating, the device can be used in humid environments. The robust structure and rust-proof outer coating ensure long-term service life
110dB Loud Warning Sound - When the alarm is triggered, a 110dB loud alarm sound sounds loud enough to be heard from far away. This can be switched off with a simple press of the mute button

49,99 €
08

SEBSON

SEBSON Water Alarm Mini GS153, 10 year long term battery, water leak detector 60x60x24.2mm, water sensor with lithium battery

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8.4

Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

When the battery is almost consumed, a warning signal sounds to alert you.
Used for early detection of water damage. If the water sensor comes into contact with water, an 85 dB loud warning signal sounds.
This water monitor is suitable for the floor in the basement, kitchen, bathroom, garage, boiler rooms and many more.
This small mini water alarm measures 60 x 60 x 24.2 mm.
GS153 water detector with permanently installed 10-year lithium long-term battery.

16,99 €
09

erdiegle

Erdiegle Water Detector Water Alarm, 135 dB Water Sensor Alarm Water Alarm Flood Detector for Basements, Bathrooms, Laundry Rooms, Kitchens, Garages and Attics (6F22/9V Batteries Included) (1 Pack)

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8.3

Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Long battery life: the water leak sensor is powered by a 6F22/9V battery, can work for about 2 years in sleep mode, 5 hours alarm time in sleep mode, will provide continuous and reliable protection against water leaks.
Easy installation: no tools required, no hub required, so that the water sensor can be easily set up in your home.
24/7 peace of mind: the water alarm is a must for homeowners, provides peace of mind and great protection for any room with water leaks, such as near sump pumps, pipes, aquarium, water heaters, washing machine or under sinks.
2 mounting modes: our water leak alarm offers two mounting modes - floor mounting and wall mounting - which offers you flexibility in placement.
135 dB sound: when the water detector is triggered, it makes a 135 dB loud buzzer, which ensures that you never miss a water leak.

13,99 €
10

GOMETY

Water Detector Water Alarm Leak and Drop Alarm 90 dB, Pack of 3 Siren Wireless Sensor Water Level Water Sensor Water Detector for Kitchen, Bathroom and Cellar (including Battery) (3)

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8.2

Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

IP65 Waterproof: Waterproof IP65 protection, so you don't have to worry about water failure. This product is widely used in places where water can leak. Simply place your water alarm near bathroom, kitchen, basement, garage, boat, water pipe.
High-quality materials: made of environmentally friendly ABS plastic, sturdy and lightweight, environmentally friendly and healthy, compact and practical.
High Sensitivity When the bottom two electrodes come into contact with water/liquid, a loud 90dB alarm will sound immediately to remind you to avoid water waste.
Energy saving: powered by 2 AAA batteries, which consumes very little power and can last a year for the safety of your home.
EASY TO USE No wiring, no buttons, no programming and can be wall mounted or placed on the floor. Simply unscrew the cover and install the battery where there is a risk of leakage.

18,99 €