There are many reasons to protect your home from water damage, whether it's frozen pipes, a busted water heater, or a leaking washing machine. Even if you're not at home, a smart water detector can detect leaks and send alerts to your phone.

Water Leak Sensor

The lists below are the recommendation of water leak sensors that may help you to buy one;

  1. Flo by Moen Smart Water Leak Detector

The Smart Water Leak Detector by Flo by Moen sends near-instantaneous alerts to our iOS and Android smartphones, as well as via email. When the sensor detects a leak, it emits an alarm sound and illuminates red, as well as sends timely alerts in a couple of seconds.

The sensor also monitors the temperature and humidity levels in your home, which might aid with moisture management.

The Flo by Moen detector's compact design makes it easy to install in tight spaces. The sensor may also be readily moved under washing machines and other difficult-to-reach areas where moisture can accumulate.

Overall, the Flo by Moen Smart Water Leak Detector is the smartest leak detector on the market, providing real-time warnings when a leak occurs. This leak sensor is a smart investment for any homeowner because of its simple setup, rapid installation, and ease of use.

  1. Wasserstein Wi-Fi Water Leak Sensor

Wasserstein Wi-Fi Water Leak Sensor is the best value option for various reasons. Despite not being the fastest at sending warnings, it managed to transmit notifications in within 20 seconds over both Wi-Fi and cellular connection, which is spot on.

The setup procedure is as simple as it gets. The Wasserstein App is accessible by a scannable QR code in the instruction booklet, and it takes less than a minute to follow the steps and have the leak detector up and running.

The probe that comes with Wasserstein's leak detector is a useful addition if you wish to put the sensor underneath or under a washing machine or dishwasher. It also has a wall anchor, allowing you to hang the bigger section of the leak detector nearby and place the probe where potential leaks may occur.

  1. Phyn Plus

Phyn Plus is a smart water sensor that can be used alone or in conjunction with the more expensive gadget. You'll gain the maximum advantage from Phyn's sensor if you also own the Phyn Plus, but using the sensor alone will give you plenty of warning that you should manually shut off your water supply before you incur serious water damage, just like the Flo by Moen Smart Water Detector.

  1. D-Link DCH-S161

The D-Link DCH-S161 is an excellent choice because its loud, 80-decibel (dB) alarm can be heard over a long distance in a home. It also includes Google Assistant and IFTTT (If This Then That) connectivity, allowing you to connect the sensor to other smart devices and ensure that notifications are received.

The D-Link is one of the few devices we examined that allows you to silence alerts both on the device and in the app. Although the accompanying 6-foot sensor line is longer than the Flo's, we found that it doesn't react as rapidly to water and communication concerns, and it lacks a temperature sensor.

  1. Ring Alarm Flood and Flood Sensor

If you have a Ring alarm system, the Ring Flood Sensor is the ideal leak detector to pair with it. Because the water sensor requires the use of an alarm system, we only recommend it for households with existing Ring systems.

The little circular device is flat enough to fit under sinks, refrigerators, toilets, and other leak-prone places. Because it does not include an extension probe like some other leak detectors, be sure Ring's design suits your planned usage location before purchasing.

It works perfectly after it's installed, giving timely smart warnings to your phone or tablet whenever it comes into contact with water. It can also notify you when the temperature lowers, alerting you to the possibility of frozen pipes. There are no Alexa connections for Ring's flood sensor right now—only push notifications. The sensor is controlled by the Ring app, which requires two-factor authentication.


The cost of smart water sensors can range from $50 to over $500. The more economical devices are simply leak detectors that communicate via Bluetooth or as part of a home automation system and don't have a Wi-Fi radio. The cost of smart water sensors can range from $50 to over $500. The more economical devices are simply leak detectors that communicate via Bluetooth or as part of a home automation system and don't have a Wi-Fi radio.

Environmental monitoring, extension cables, sirens, and LED indicators, as well as other connectivity options like voice control and IFTTT support, will cost extra. In-line systems, which monitor your entire home and cut off your water if they detect a significant problem, are at the top of the market. Remember that, in addition to a high price, in-line systems will require professional installation, which will add $200 or more to the entire cost.

Water leaks can be a hassle for homeowners, and in most cases, they require professional assistance right away. A smart leak detector, on the other hand, can occasionally detect leaks before they turn into a huge mess, saving you money.