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Best Water Leak Sensor

Top Water Leak Sensors

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Be alerted immediately that there may be a problem in your house when you install a water leak sensor. Nobody wants to wake up to a flooded basement. If you’re asleep or even just not heading down in the basement for a while, the last thing you want to have happen is to see knee deep water when you head down there. Seeing water underneath your dishwasher can be extremely frustrating as well. A pipe could burst or a bad storm could hit and there’s nothing you can do after the fact to save your precious items. But if you knew that there was a problem when it began, you can take some measures to rescue what you may have in storage. A water leak sensor can be installed and sound an alarm when there is a detection of a leak. This could prove invaluable for your life. We’ve hand selected five of the best water leak sensors and discussed them below to give you an idea of the protection you can have for your home. Let’s take a look.

Keep an eye on your pipes

Best for Under AppliancesImage source: YoLink/Amazon


Placing the YoLink Smart Home Starter Kit around your home allows you to have full range of knowing what’s going on. This is easy and efficient protection for your property, as it is suggested to be used near sump pumps, toilets, water heaters, laundry machines, dishwashers, sinks, fish tanks, and more. This can deliver early warnings to you in the form of smartphone banner alerts, text messages, and emails. The receiving range is 1/4 of a mile, meaning it works great with most residential Wi-Fi routers. You’ll get multiple sensors to use. This can sink up with smart speakers as well to alert you.

Key Features:

  • Detects excess water or moisture and sends an alert to your phone
  • Multiple sensors
  • Receiving range is 1/4 of a mile
YoLink Smart Home Starter Kit: Amazon's Choice Water Sensor 4-Pack & Hub Kit - Our Best-Selling… Price:$79.99 Buy Now Available from Amazon, BGR may receive a commission

Your basement deserves to stay dry

Best for the Basement

Whether you’re worried about a leak or mold growing, the Glentronics Basement Watchdog High Water Alarm is there to help. This will detect leaks before they cost you a ton of money and this will detect moisture before mold begins to form. One 9V alkaline battery can power this for up to five years. You won’t have to install this anywhere, as you can just place it on the floor near a water source. The sensor wire extends six feet and can be lengthened for hard to reach areas. This will detect as little as 1/32″ of water and the alarm will sound for up to three days.

Key Features:

  • Alarm will sound for up to three days
  • Detects as little as 1/32″ of water
  • 9V battery can power it for up to five years
THE BASEMENT WATCHDOG Model BWD-HWA 110 dB Battery Operated Water Alarm List Price:$19.95 Price:$12.48 You Save:$7.47 (37%) Buy Now Available from Amazon, BGR may receive a commission

Get a reading inside the walls

Best for Walls

If you’re worried a pipe may have dripped inside your walls, you should pick up the General Tools Pinless, Non-Invasive, Non-Marring, Digital Moisture Meter. This will help you determine the moisture content of softwood, hardwood, drywall, and masonry, as well as check for water damaged areas to see if moisture is still present. There aren’t any pins in the tool, so it won’t damage your walls when you’re using it. It not only offers audible alerts when it detects something, but you’ll get visual indicators on the meter. It can reach up to 3/4″ deep into the surface and an overall measurement range of 0 to 53% for softwood, 0 to 35% for hardwood and relative readings for wallboard and masonry.

Key Features:

  • Determines moisture content of woods, drywall, and masonry
  • Non-marring for your wall
  • Can reach up to 3/4″ deep into the surface
General Tools MMD7NP Pinless, Non-Invasive, Non-Marring, Digital Moisture Meter, Water Leak Det… List Price:$49.99 Price:$45.48 You Save:$4.51 (9%) Buy Now Available from Amazon, BGR may receive a commission

Monitor your water levels

Best Monitoring System

Rather than wonder if you have a leak, installing the Flume Water Monitor will keep you in the know. This will allow you to monitor and control water usage inside and out, including your irrigation. Alerts can be sent to your smartphone and this can help you lower your water bill. This will take away the guessing when it comes to water usage and there is even a budgeting tool in the app that helps you. It takes only five minutes to install this system and it’s easy to track through the free app.

Key Features:

  • Allows you to monitor and control water usage
  • Can help lower your water bill
  • Takes five minutes to install
Flume Water Monitor: Smart Home Water Monitoring to Detect Leaks & Track Water Usage in Real Ti… Price: Buy Now Available from Amazon, BGR may receive a commission

A trio for alerting

Best Pack of Sensors

Don’t only get readings from one place when you have the Govee Wi-Fi Water Sensor 3 Pack. Once connected to your Wi-Fi, this will send you emails, app notifications, and alerts that a leakage has occurred. This features a loud alarm with mute and each water sensor comes with two groups of back water detector probes and one group of front probes for pipe dripping detection. You can use the app to name each sensor, so you know which one may be going off. They are waterproof and offer a terrific value.

Key Features:

  • Three pack of sensors
  • Loud alarm with mute
  • Back water detector probes and front probes for pipe dripping detection
Govee WiFi Water Sensor 3 Pack, 100dB Adjustable Alarm and App Alerts, Leak and Drip Alert with… Price:$53.99 Buy Now Available from Amazon, BGR may receive a commission

Chris Hachey handles e-commerce and sponsored content for BGR. He has worked as an editor and writer for over a decade for various publications and distribution services. He focuses on consumer products to help you find the best of what's on the market. When he's not searching for the top deals, he's likely watching his favorite sports teams or walking around his hometown with his fiancée and his dog.

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