10 Best Water Leak Detectors Reviewed as of March 2023

Reviews Scanned

Govee WiFi Water Sensor 3 Pack, Water Leak Detector 100dB Adjustable Alarm and App Alerts, Leak and Drip Alert with Email, Wireless Detector for Home, Basement(Not Support 5G WiFi)

Real-time Alerts: Connect the gateway to WiFi, and the water leak detector will instantly send emails, App notifications & alerts to your phone when water leakage occurs even you're not at home. Water sensors and gateway are paired right out of the box.
Loud Alarm with Mute: If WiFi is not temporarily available, our 100dB water alarm is loud enough to be heard. Press the Mute button to silence the alarm when you find the leak.
Drip and Leak Alerts: Water sensor comes with 2 groups of back water detector probes & 1 group of front probes for pipe dripping detection. Use the App to name each sensor with its location.
Connects to Multiple Sensors: WiFi connection gateway has a stronger and more stable signal transmission & lets you connect with multiple sensors simultaneously (10 max).Remember to upgrade your latest firmware on Govee Home App when updates become available.
IP66 Waterproof : The completely sealed IP66 waterproof design allows for extended use in high moisture areas. Note: The water leak detector only support 2.4G WiFi, not support 5G WiFi.

Sale2

Zircon Leak Alert Water Leak Detector & Flood Sensor Alarm/Water Leak Sensor with Dual Leak Alarms 90Db Audio/Battery Powered (2 Pack) Batteries Not Included (72311) White

Loud (90dB) alarm sounds when even the slightest amount of moisture is detected
In flood situations, the Leak Alert water detector is engineered to float and continue to sound the SOS alarm for up to 72 hours or until the battery is exhausted
Fully automatic battery-powered operation - no wiring required for this leak sensor. Like your smoke and carbon monoxide detectors, a low battery warning chirps an alarm when it is time to replace the 9V battery
Place in basements, bathrooms, kitchens, or wherever there is a potential for leaks. Common placements of the leak detector are near sump pumps, water heaters, washing machines, dishwashers, under sinks, etc
Includes 2 Leak Alert units and detailed instructions

Govee Water Leak Detectors 5 Pack, 100dB Adjustable Audio Alarm Sensor, Sensitive Leak and Drip Alert, for Kitchen Bathroom Basement (Battery Included)

Dripping and Leaking Alarm: Besides 2 groups of backwater detector sensor probes, each detector also has 1 group of front probes for pipe dripping.(Note: Only paired with the gateway of the water detector, cannot paired with the gateway of the hygrometer.)
Wireless and Easy to Use: No wire or setup required, the mini size allows you to put it on any place where the water leak may be happening. With kit "B07QP153GT", you are able to monitor leaks on your phone even you're not at home."B07QP153GT" not Included in Package.
Adjustable Alarm Audio: Each water leak detector features an 0-100 dB adjustable alarm audio. Loud enough to be heard even if leak happens in basement, press the button to mute the sound when you find the leaking place.
Low Battery Alert: The water sensor alarm will beep and flash a red light when a battery is low, or press the button on it to test the battery level.
IP66 Waterproof: The completely sealed waterproof design allows for extended use in high moisture areas.

Sale4

Moen 920-005 Flo Smart Water Leak Detector, White, 3-Pack

PROTECT YOUR HOME FROM WATER DAMAGE: Can be placed in the home wherever there is a risk for potential water damage, such as a flooding basement, washing machine leak, hot water tank failure, etc.
24/7 PROTECTION: Smart technology detects leaks to help reduce the risk of water damage by providing 24/7 monitoring
REAL-TIME NOTIFICATIONS: Connects to the Moen Smart Water App to notify you of moisture through notifications to their smartphone. The Moen Smart Water App can also be customized to monitor moisture levels, humidity, and temperature.
WHOLE HOME PROTECTION: Offers the ability to use and connect multiple detectors for whole-home protection. Available in single or multi-packs, providing the opportunity to achieve home water management on any budget
COMPATIBILITY: Use the Smart Leak Detector as a standalone monitoring device or connect it to the Flo Smart Water Monitor and Shutoff (sold separately) for whole-home protection

Sale5

Water Leak Detector Sensor Alarm: Home Water Flooding Monitor Smart Sink Overflow Monitoring Adjustable Wet Moisture Alert Pipe Leakage Drip Detection Warning for Basement Floor

Drip & Leak Alerts: Water leak detector alarm is designed with 4 rear water leakage detection probes and 2 front drip probes. There will have an alert when any of the three sets of probes were under the water.
Wireless & Easy to Use: No wire or setup required, just put it on any place where the water leak may be happening.
Loud Alarm with Mute: Our 100dB alarm is loud enough to be heard, you can clearly know where the leak occurred and deal with it in time.
IP66 Waterproof & Durable: It adopts IP66 super waterproof surface shell allows long-term use in high humidity areas and long battery life.
Long Life & Low Battery Alert: The sensor is energy efficient and one battery can last over 2 years under normal usage, Low battery alert function allows will beep and flash a red light when the battery is low.

Underground Water Leak Detector 2 Meter， Professional Ultrasonic Water Leak Sensor Underground Pipes Water Leak Alarm Detector

【Professional Leak Detector】PQWT-CL200 is made by one of the most famous manufacturer, a professional instrument for water leakage, perfect for water supply companies, heating companies, municipal construction companies and property companies.The maximum detection depth reaches 2 meter.
【Operational Principle】When the fluid in pipeline erupts through leakage source due to the pressure, the noise produced by the impact on internal wall will spread along the pipeline or along the buried layer medium to the ground, and the instrument determines the leakage source through the amplification of leakage noise and the analysis of the spectrum signal.
【Dual-mode Detection】The instrument contains 2 detection modes, rough measurement mode and filtering analysis mode, helps find the leakage quickly.
【Easy to Operate】The water sensor is used to find and determine the location of leakage points of water supply pipeline, and they can also be used to detect the leakage of other pressure piping systems. Our leak detector has 4 languages (English, Turkish, Italian and Arabic) for options, you can learn the operations in 5 minutes by the instructions or operation video.
【2 Years Warranty】We guarantee quality and service. 5-7 working days fast delivery. Any quesitons please feel free to contact us, we'll have expert one-on-one guidance.

YoLink Smart Home Starter Kit: Water Sensor 4-Pack & Hub Kit - Sensor Compatible with Alexa and IFTTT, 1/4 Mile Range, Instant Remote App, Text(Limited) and Email Alert

Easy to install. Scan, Plug and Play. Full installation and setup in less than 10 minutes
Protected and informed, with Realtime phone app notifications, emails, SMS messages and automations (turn on optional sirens, smart plugs..)
FAIL/SAFE: Patented technology! Pair your leak sensors to battery powered valve controllers and/or sirens. No internet, no WiFi, power outage no worries!
Latest Wireless Technology LoRa: low-power consumption (5+ year battery life) and "Longest Range, by Far!" (1/4 mile, open air)
Whole house smart home solution: Your YoLink leak detection system is part of a complete product line, including smart wireless automatic water shut-off and a full smart home solution, including security, locks, plugs & switches, temperature, humidity, and smoke/CO sensors, and more

Sale8

Water Leak Detector, X-Sense Water Sensor Alarm, Mini Water Detector Alarm with 110 dB Audio Alarm, Battery-Powered, Water Alarms for Basements, Sinks, Tanks, Pools, Model WS01

Note: As the WS01 operates independently and does not feature Wi-Fi connectivity, it is not compatible with the SWS54 kit (cannot be linked to the SBS50 base station)
Real-Time Monitoring of Water Leaks and Floods: 4 bottom sensor probes and 2 top sensor probes to detect water leaks and floods, providing an early warning of water damage; suitable for kitchens, bathrooms, basements, and more
Loud 110 dB Sound: When water alarm is triggered, emits a 110 dB alarm that is loud enough to be heard from a distance and which can be silenced with a simple push of the silence button
Long Lifespan: This water leak alarm detector offers a 5-year total lifespan and runs on 2 replaceable AAA batteries (included) that last 3 years; a low battery alert emits an audible beep and flashing red LED to remind you to replace the batteries
Wire-Free & Sensitive: Mini, sleek and simple to install in small, hard-to-reach areas, such as under the dishwasher or near water pipes; designed with sensitive probes that precisely and timely detect a minimum water level of 0.015 in (0.4 mm)

PQWT L50 Newest High Performance Underground Water Pipeline Portable Leak Detector Acoustic Water Leak Detector

😊Measurement & Analysis Instruments Other Instruments:It is applied to different detecting environment like indoor floors, walls, cabinets.
😊Working principle: Indoor Pipeline Water Leak Detector collects leaking sound signal through its sensor, collected signal will be processed by host machine and displayed on the host machine screen in the form of visual spectrum and signal bars. At the same time, the sound will also be output to its earphone through the host machine. Water leakage point can be found out easily through the combination of "listening to the abnormal sound" and "observing the abnormal signal bars”.
😊High Precision Detector，effectively solving the problem of water leakage in the household pipeline
😊Electronic Earphone Leak Detector Water Pipe Detection Equipment Kit- Host machine, 1 x Earphone, 1XSquare sensor,1XTriangular
😊The closer the detector is to the leak, the greater the jerk will sound, indicating that the Columnar will be higher and the user will be able to operate to detect the leak.

Flood Buzz Water Leak Detector - Set of 6

PROTECT YOUR HOME OR ASSET: The Flood Buzz water sensor alarm protects your home against damaging leaks with a loud alarm to warn of any flood or leak conditions so they will be fixed before they become much more costly problems. No more worrying about unknown leaks.
EASY TO USE, LOW-COST, TINY: No Set up, just open and place in any leak potential area. No wires, this simple design allows for extended use in high moisture areas. Tiny footprint barely noticeable: 1-1/2”H x 1-3/4”D
MULTI-USE LOCATIONS: Place in bathrooms, kitchens, or near any suspected leak locations. Basements, water heaters, boilers, laundry, refrigerators, dishwashers, under sinks, near toilets, washing machines.
LOUD ALARM: Alarms Immediately. Loud and easy to hear alert. Once a water leak is detected, the device lets out a 95-decibel alarm until disabled.
NO BATTERIES REQUIRED. The internal battery life of the water sensor lasts up to 3 years and is reusable.

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