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The sensors are very small and easy to place anywhere in your home. Here's what you need to think about when you shop for smart leak detectors and install them in your home. In case of emergency, you want to be able to hear your sensor’s alarm loud and clear, from anywhere in the home. If you’re concerned about leaks and want to make sure you don’t miss the alarm, you’ll want the Zircon Leak Alert—it creates a super-loud, battery-powered 105-decibel alarm.
We independently research, test, review, and recommend the best products—learn more about our process. If you buy something through our links, we may earn a commission. The Best Home Security Systems in Canada Find the best home alarm system to protect your house. Unlike LeakSmart's in-line valves, which require some plumbing skills, Snap quickly attaches to ball- and gate-type valves. Still, the company recommends having a professional install the valve for the best results, going as far as offering a five-year warranty instead of the one-year option on DIY installs. Sign up for Lab Report to get the latest reviews and top product advice delivered right to your inbox.
The Best Smart Water Leak Detector Deals This Week*
Although it includes three metal feet to detect water, you can mount the gadget and attach the wired disc sensor that is included. Overall, this is one of the best Water Leak Detectors that you can buy right now. We feed thousands of data to our AI regarding these products through advanced algorithms. Based on the relevant data i.e. brand, features, specs, ratings and reviews and many others a list of best water leak sensor wifi has been prepared by the AI. Undetected water leaks can disrupt businesses, result in loss of property, and contaminate offices and homes, not to mention damage to personal property you’ll never get back.
The Watchdog has a 110-decibel alert sound, which is louder than what many of the more costly water leak detectors offer. A water detector is an electronic device used to detect the presence of water, for example, to trigger an alarm in time to prevent water leakage. The device closes a valve inside the leak detector when abnormal behavior is detected and cuts off the water supply to the entire house. When water leaks, that creates high humidity or freezing risks. A sensor detects the leak and sets off a physical alarm or triggers an alert sent to a phone or computer.
Best Automatic Shutoff
It was a breeze to set up via the app and swift and consistent in my testing, firing off a push notification to my phone, an email, and a text message every time it detected water. (You can configure the alerts.) It also sounds an alarm and flashes a red LED. The device has three metal feet to detect water, but you can mount it and attach the included wired disc sensor instead. Moen also offers a 6-foot leak sensing cable ($22) that can detect water along its entire length, and you can potentially chain together up to three of these to cover a larger area. Some smart water sensors are designed to be plugged into a wall outlet and include a battery backup for when the power goes out. If you want to be able to set your water sensors in place and not have to worry about them for up to ten years, look for one with exceptional battery life.
With its advanced technology and precision, it can detect and warn you of a threatening flood. It can also detect sudden temperature changes and can send alerts to your phone. This device requires installation by a professional, but once installed, it can help you save your life.
Best for Humidity Monitoring
Overall, Kangaroo is a great option for folks who need basic sensing and mobile app controls. But if you expect the complete smart home and loud siren experience, we recommend sticking with Resideo. During severe flooding, this Zircon can float and sound its alarm for up to 72 hours or until the battery is depleted. Under normal circumstances, you can expect the battery to last a few years.
Basic smart water sensors can only tell you if the sensor itself has gotten wet. Smart water sensors can also record water temperatures, to help prevent freezing pipes or pick up on mold within your pipes. The sensors should be placed in a location where water damage could occur, such as in bathrooms, under the kitchen sink, or in the laundry room. A smart water sensor generally sends a low-battery notification to your phone or email, while simple water alarms chirp like a smoke detector to signal a low battery.
How to find the best water leak detector for you
Sadly, you have to press the button on the device to stop the alarm—an in-app option would be better. It’s also relatively large compared to other detectors I tested, limiting your placement options. This compact battery-powered sensor can be placed in any area where a leak might happen, and works off a SmartThings hub or any compatible device with SmartThings hub functionality. Alerts are sent to your phone if a water leak or a temperature drop or spike is detected. If a leak is detected from an integrated appliance, the SmartThings app can be configured to turn off the appliance, preventing further damage. Smart water leak detectors with an app and smart home compatibility cost $30 to $100, with most popular models clocking in around $50.
The Eve Water Guard only detects water, but the sensing cable worked well in my testing, triggering quick alerts and covering a large area. It needs a power outlet, which also limits your placement options, but you never need to worry about battery life. You can also add 6.5-foot Sensing Cable Extensions ($20 each) up to a total length of 500 feet.
If you do set up multiple sensors, you can customize them with names, making it easy to know which alert is coming from which part of the house. Water leak sensors use two metal contacts that form the positive and negative ends of an electrical circuit. Electricity can't travel between the two contacts in dry conditions, leaving the circuit incomplete until it touches a conductive fluid like water. When there's a leak, the water links the contacts together, completing the electrical circuit and triggering an alarm. The D-Link DCH-S1621KTstands out for its customer support options more than its sensors. D-Link's the only brand on our list that has everything we want out of customer service.

When water occurs, sensors set off a physical alarm or trigger an alert to be sent via WiFi to your phone or computer. Some systems can even automatically shut off valves to prevent major damage. The best water leak detectors trigger a high-decibel alarm, send notifications to your smart devices and automatically shut off water to prevent damage. To pick our favorite water leak detectors available at the time of publishing, we considered essential water detection technology, alert types, price and customer reviews. For many homeowners, automatic shutoff is one of the key features in a smart water sensor, especially if you’re frequently away from home.
If you already own an Aqara Hub, then the Aqara Water Leak Sensor is hands-down the cheapest HomeKit option on the market. It's also the smallest HomeKit water leak detector around, measuring just under two inches wide. Fibaro's Flood Sensor offers the perfect mix of features, design, and price, making it our go-to HomeKit water leak detector. This completely wireless sensor runs on a single CR123A battery, which lasts for up to two years, and connects directly to HomeKit and your iPhone via Bluetooth. Since the Fibaro Flood is wireless, just pair it and stick it where you need it. If you want a top-of-the-line product, this is one of the best HomeKit water leak detectors today.
