10 Best Water Tank Leak Detectors
for December 2022

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Our team evaluated 10 of the best water tank leak detectors on the market to help find the one that works best for your budget, needs, and lifestyle. Water leaks can cause damage to your home and property, so it's imperative to keep an eye out for them. These detectors are used to detect water leaks and alert the homeowner. We tested these models by testing their accuracy, reliability, and ease of installation. We also made sure they were easy to operate and were able to provide comprehensive information such as alerts and real-time water flow. As each model is different, it's important to do your research to find the right one for your needs and budget.

Water leaks can be one of the most destructive and expensive problems a home can face. When a leak happens, you'll want to respond as quickly as possible. These detectors are designed to alert homeowners with an audible, visual, or vibrating alert. These alerts can be triggered by a leak as small as 2.5 gallons per minute.

1
9.7
SCORE
High/Low Water Level Sensor Detector Alarm 120 dB Red Strobe Siren, Adjustable Alarm Volume, Sump Bobber Water Leak Sensor,16.4ft Probe Cord, Suitable for Water Tank/Aquarium, Swimming Pool/Basement

Shonmau High/Low Water Level Sensor Detector 120 Alarm dB Red Strobe Siren

by Xmall

Low Power Design- 9V replaceable battery power supply, standby for more than 1 year. When the battery power is low, the water sensor sound will become small or there is no alarm sound. Please replace the battery at this time.

The High/Low Water Level Sensor Detector Alarm is an affordable and effective water detector alarm. The alarm is particularly useful in homes where multiple family members live, as it monitors the level of water in multiple areas. The alarm's dual probes detect both water levels and short circuits, so it's great for homes with multiple water sources. The alarm's volume is adjustable, and the volume can be increased or decreased depending on how far the probes are buried. The alarm uses two probes, which extend up to 164ft, and both probes have probes on them. The probes are 10.8in long, so they'll reach most tanks or pools. The alarm's alarm volume is adjustable, and the alarm also acts as a 120dB siren, so it's loud enough to be heard over the sound of running dishwashers and washing machines. The alarm's probes are long, so they're unlikely to trigger false alarms, and they're made of flexible material, so they're easy to place in water. The alarm is easy to install, and the alarm's two probes make it easy to extend its range. The alarm's alarm volume can be increased or decreased depending on the distance of the two probes, and the alarm can function as a 120dB siren, which is loud enough to be heard by pets and people in a 300ft radius.

2
9.5
SCORE
Govee WiFi Water Sensor 3 Pack, 100dB Adjustable Alarm and App Alerts, Leak and Drip Alert with Email, Detector for Home, Basement(Not Support 5G WiFi)

Govee WiFi Water Sensor 3 Pack

by Govee

IP66 Waterproof : The completely sealed IP66 waterproof design allows for extended use in high moisture areas.

Govee WiFi Water Sensor 3 Pack is a clever water sensor kit that detects both water leaks and drips and alerts you via your phone. The sensor includes a WiFi gateway that communicates with sensors via WiFi. The sensors detect water through back probes and pipe probes (front probes are sold separately), and when water is detected, the WiFi gateway sends real-time alerts to your phone via Govee Home app. The sensors are easy to install (you can install them yourself or have a plumber do it for you), and once it detects a leak, it alerts you right away via email, app notifications, or a push notification on your mobile phone. The sensors also send alerts when your washing machine is running or when a sink faucet is running. The sensors work reliably, but some people had trouble pairing the gateway with the sensors. The sensors are more expensive than our pick, the August Smart Water Leak and Freeze Detector, but the sensors have a 100dB alarm that's much louder, and you can also receive notifications when washing machine is running or when a faucet is running. The sensors also have 3 probes and 3 sensors, and you can connect up to 10 sensors simultaneously.

3
9.1
SCORE
Moen 920-004 Flo Smart Water Leak Detector, 1-Pack

Moen 920-004 Flo Water Smart Leak Detector

by Moen

INCLUDES: Includes an extension cable with Remote Sensing Disc that can extend up to 48 inches, making it perfect for reaching tight spaces like under a washing machine or next to a dishwasher; CR123A 3-volt lithium metal battery that lasts up to 2 years. NOTE : Refer to the PDF attached below in Technical Specification for the Installation and Troubleshooting steps

The Moen 920-004 Flo Smart Water Leak Detector is one of our top picks for leak detectors because it's easy to use, easy to install, and is very affordable for what you get. It has a big, bright display that shows room and home temperature and humidity, as well as leak detection history. The detector can send real-time notifications to your smartphone about leaks and other events, and it also has an alarm feature that goes off when water is detected. The detector has a water sensor that measures the rooms humidity and temperature and can detect leaks even when there's no water visible. It also measures the rooms water pressure. The detector has battery backup, so if the detector detects a leak and can't get online, it will trip the alarms. The detector has a two-year warranty. It has two main downsides: First, it can only detect water leaks, not flooding, and there's no flood sensor option. Second, the detector doesn't connect to wifi, so it can't send alert notifications to your smartphone.

4
9
SCORE
Govee Water Detectors 5 Pack, 100dB Adjustable Audio Alarm Sensor, Sensitive Leak and Drip Alert, for Kitchen Bathroom Basement (Battery Included)

Govee Water Detectors 5 Pack

by Govee

IP66 Waterproof: The completely sealed waterproof design allows for extended use in high moisture areas.

The Govee water detectors are compact and easy to install, and they work as advertised. However, despite their small size, the detectors aren't very sensitive. They worked best for detecting slow drips or leaks on small pipes, like in a bathroom or kitchen, but they wouldn't detect minor leaks in a basement. The sensors also didn't detect small trickles. The sensors also don't externally glow, so they're hard to track down. The Govee system also includes an app for Android and iPhone, which worked well for identifying water leaks. The app had some bugs, like it wouldn't detect leaks that had already stopped, and it insisted on requiring Wi-Fi, even when the app was connected to Wi-Fi. The app also doesn't let you scroll through the detector history to see recent leaks. But the app is overall a good companion to the sensors, and it can help you find leaks even if you're not at home.

5
8.6
SCORE
Govee WiFi Water Sensor, 100dB Adjustable Audio Alarm and Smart App Alerts, Leak and Drip Alert with Email, Detector for Home, Basement(Not Support 5G WiFi)

Govee WiFi Water Sensor

by Govee

IP66 Waterproof : The completely sealed IP66 waterproof design allows for extended use in high moisture areas.

The Govee WiFi Water Sensor is a fairly simple device, but its small size and low price give it plenty of value. It has two probes for backflow detection, one probe for front leakage detection, and a WiFi connection gateway. The probes are small, but we didn't experience any leakage in our tests, so they're likely effective. The WiFi connection gateway is a separate unit that plugs into a wall outlet and connects wirelessly to the app on your smartphone. The gateway is easy to set up, but the app isn't as intuitive or user friendly as some other water sensors we've tested. We found that it was sometimes difficult to set up more than one sensor at a time, and the app didn't support multiple sensors connected to multiple gateways. The app also didn't support two-way communication, so we couldn't respond to an alert from our sensors remotely. The sensor and gateway worked well in our tests, and the sensor's alerts were loud and clear.

6
8.6
SCORE
Govee Water Detectors 2 Pack, 100dB Adjustable Audio Alarm Sensor, Sensitive Leak and Drip Alert, for Kitchen Bathroom Basement (Battery Included)

Govee Water Detectors 2 Pack

by Govee

IP66 Waterproof: The completely sealed waterproof design allows for extended use in high moisture areas.

The Govee Water Detectors 2 Pack are super easy to set up and use. After pairing the gateway sensor to your phone, all you need to do is place one of the sensors around the pipe, plug in the gateway, and your phone will immediately tell you that there is a leak. The sensors are pretty sensitive, detecting even small drips and leaks. The gateway sensor is also super easy to set up and use, and you can tell that it's built to last. The backlight is adjustable, so it's easy to see the alarm indicator even in dark environments. The voice alert is loud enough to be heard through walls, and the indicator light flashes red when the alarm is activated, making it easy to find the source. The alarm also beeps when the battery is low, so you'll always know when you need to change batteries. The only drawback to this system is that there are two gateways, so you'll need to create a pair for each sensor. The sensors themselves are pretty small, so they're easy to conceal and move around.

7
7.8
SCORE
WiFi Water Sensor 100dB Alarm, Smart Water Leak Detector, Tuya APP Free Remote Monitoring of Leakage, 5.9FT Detection Line, Mute / 6 Ringtones Adjustable, Can Open SMS and Phone Notification Function

Shonmau WiFi Water 100dB Sensor Alarm

by Xmall

CHILDREN-EFFICIENT INSTALLATION & OPERATION No gateways and complicated cabling required, you can connect our water sensor to your home Wi-Fi in just a few simple steps (2.4G Wi-Fi only). Whether you are in the office or on the road, you can check the status via app at any time. You can also share this with others, and more people can receive alerts and track the progress of wireless sensor activity.

The Tuya WiFi Water Sensor is a very well designed product, with a powerful 100dB alarm that alerts you to any water leakage. The alarm is loud enough to sound in rooms located several feet away, and it's typically quick to sound, so you're not caught off guard. The alarm is loud enough to sound in rooms located several feet away. The probe is 5.9ft long, making it easy to install in hard-to-reach places, and the detector has a 6-level sensitivity setting, so you can set the detector to alert you to either a small leak or a larger flood. There's also a mute feature, so you can silence false alarms when you're not at home. The detector's free app makes monitoring easy, and the app's remote notification function can notify you by email or text if a leak occurs. The Tuya app is responsive and user friendly, and it's particularly useful for setting a schedule for the alarm reminders, which can be set to sound at a specific time every day or every week. However, the app isn't optimized for Android 7, so you'll have to use the regular notification function to open the app, and you'll need to configure your phone's notification settings to enable email and text notification.

8
7.8
SCORE
LeakAlertor 6000 Toilet Leak Detector – Installs in Seconds, No Tools Required/Detects Leaks, Running Toilets, and Other Problems that Cause High Water Bills/Visual & Audible Alerts

nth Solutions, LLC LeakAlertor 6000 Toilet Detector Leak – Installs in Seconds

by nth Solutions, LLC

Comes with a replaceable CR 2032 Battery

The LeakAlertor 6000 is an easy-to-use, fully automatic toilet leak detector. It uses a patented acoustic sensor to detect when there's water in the toilet tank. The LeakAlertor 6000 will detect leaks even when the tank is half-full. The LeakAlertor's visual and audible alarms will alert you to leaks and other problems that could cause high water bills. The LeakAlertor 6000 is easy to install. Just raise the tank lid, place the device in the toilet tank, and connect the thin power wire to the electric outlet. That's it. The LeakAlertor 6000 does all the work. The LeakAlertor 6000 also detects running toilets and other problems that cause high water bills. The LeakAlertor 6000 is ideal for single-family residences, hotels, apartments, condominiums, mobile homes, and assisted living facilities. The LeakAlertor 6000 can be installed in 30 minutes or less.

9
7.8
SCORE
Smart Water Leak Sensor 3 Pack, YoLink 1/4 Mile World's Longest Range Wireless Water Sensor Works with Alexa IFTTT, Water Leak Detector with App Notifications, Remote Monitoring - YoLink Hub Required

Smart Water Leak Sensor 3 Pack, YoLink 1/4 Mile World's Longest Range Wireless Sensor Water Works with Alexa IFTTT, Water Leak Detector with App Notifications, Remote Monitoring

by YoSmart

Why Worry About WiFi? YoLink devices communicate by LoRa, an industrial-grade protocol that provides up to mile open air range. Devices do NOT connect to your network or even to the internet; they communicate with the Hub. Strong signal level, obstruction penetration, no (WiFi) holes in your internet security, and fully-encrypted communications provide more than most ask for from their smart home system!

The YoLink Smart Water Leak Sensor 3 Pack is a good system for monitoring leakage in residential settings, and it's well-suited to more demanding applications where you want to be notified when serious water problems occur, such as near a basement or sump pump. It's easy to install, and while other sensors we tested had longer ranges, the YoLink's short range was just right for our home. We were also impressed with how the YoLink system handled water. In our tests, the sensors detected water at distances of up to 30 feet, and the system also alerted us when water was detected at locations more than 60 feet away -- which was farther than many other systems we tested. The alerts were loud enough to be heard from nearly every room in the house, and the system also sent us notifications via an app. The sensors also functioned well when placed near toilets and washing machines, and the system's app was easy to use. However, the YoLink system did not work well when used near water heaters or fish tanks. Also, as with the other sensors we tested, the YoLink system requires you to purchase one of its hubs, which cost $69.99. And unlike the other systems we tested, the YoLink system will not work with Google Assistant. That said, the YoLink system's range is long enough for most residential applications, and since YoLink offers free 5-to-10-minute test alerts, it's a good choice for monitoring first-floor bathrooms, kitchens, laundry rooms, showers, garages, basements, and sump pumps.

10
7.1
SCORE
Flood Buzz Water Leak Detector Sounds Alarm (Set of 3)

ARCHETYPE LTD Flood Buzz Water Leak Sounds Detector Alarm (Set of 3)

by ARCHETYPE LTD

LOW-COST, LOUD AND EFFECTIVE water leak alarm designed to help mitigate damage and avoid the associated liabilities and legal exposure to landlords and management companies caused by water leaks.

The Flood Buzz is a clever device that warns you of leaks in your home, apartment, or condo. It detects when water is present, and when water is detected, a 110-decibel alarm will sound. The Flood Buzz is made of a lightweight plastic and is small enough to fit on most countertops, so it's easy to mount or set next to a suspected leak. The device is easy to install, and you don't need batteries. Just plug the Flood Buzz into the AC outlet and you're done. The Flood Buzz uses a digital ultrasonic sensor to detect when water is present, and when water is detected, it emits a 110-decibel alarm. The Flood Buzz's alarm is loud enough to warn you of a leak, but it's less intrusive than the loud alarms that are emitted by appliances such as dishwashers, washing machines, and water heaters. The Flood Buzz also emits a low-pitched tone that alerts you when water is present. The Flood Buzz's sensor can detect water up to 10 feet (3 meters) away, and the alarm will sound up to 200 feet (61 meters) away. The device has a 3-year warranty.

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