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If you have one of the best Smart Water Leak Detectors, you could save hundreds or even thousands of dollars on repairs. By putting in a smart water sensor, you can save a lot of money and trouble. The best ones we’ve tried let you know about leaks right away and can even turn off your home’s water supply.
There are many reasons to protect your home from water damage, like frozen pipes, a broken water heater, or a washing machine that leaks. Even when you’re not at home, a smart water leak detector can find leaks and send alerts to your phone. That’s why we tested the best flood detectors that can be used on their own.
Best Smart Water Leak Detectors Comparison Table
| Model | Power Source | Included Components | Dimensions | Weight | Prices |
|---|---|---|---|---|---|
| Moen Flo Smart Water Detector | 120V AC Power | 3 AAA Batteries | 3.5 x 3.5 x 1.5 in | 5.6 oz | $49.99 |
| D-Link DCH-S161 Wi-Fi Sensor | 2 AA Batteries | None | 2.6 x 2.6 x 1.5 in | 3.2 oz | $49.99 |
| Wasserstein Wi-Fi Sensor | 2 AAA Batteries | None | 2.6 x 2.6 x 1.0 in | 2.7 oz | $34.99 |
| Govee Wi-Fi Water Detector | 3 AAA Batteries | None | 3.1 x 1.8 x 1.1 in | 2.4 oz | $49.99 |
| D-Link DCH-S1621KT Sensor Kit | 2 AA Batteries | Hub, 2 Leak Sensors | 3.1 x 3.1 x 1.4 in | 4.2 oz | $79.99 |
| Proteus Aquo Wi-Fi Sensor | 5V DC Micro USB Power | None | 2.4 x 2.4 x 1.2 in | 1.6 oz | $89.00 |
| Phyn Smart Water Assistant | 120V AC Power | None | 7.5 x 7.5 x 2.5 in | 1.6 lbs | $299.00 |
Moen Flo Smart Water Leak Detector
| Specification | |
|---|---|
| Connectivity | Wi-Fi |
| Power Source | Battery (2 AA batteries included) |
| Water Detection Method | Sensing probes |
| Mobile App | Yes, Flo by Moen App |
| Alerts | Real-time push notifications, email, and SMS alerts |
| Additional Features | Automatic shut-off valve, ability to monitor water usage and pressure |
| Compatibility | Works with Amazon Alexa, Google Assistant, and Apple HomeKit |
With the Flo by Moen Smart Water Detector, you’ll get email, text, and push alerts when even a small amount of water is found. Unlike other sensors, it will also stop the flow of water to prevent further damage when paired with its more expensive sibling, the Flo by Moen Smart Water Shutoff valve.
It will also let you know when a certain temperature or level of humidity has been reached. The Smart Water Detector is white and is shaped like a water droplet. It is 3.2 inches tall, 2.6 inches wide, and 1 inch deep. It has a small LED light on the front that flashes red when water is found, blue when setting it up, and purple when Bluetooth is used to connect.
- Wi-Fi connectivity makes setup easy and allows for monitoring from afar.
- In case of a leak, an automatic shut-off valve helps stop water damage.
- Ability to track water use and pressure for better water management
- Works with smart home platforms like Amazon Alexa, Google Assistant, and Apple HomeKit.
- uses batteries, which may need to be changed over time.
- Compared to other water leak detectors, this one has a higher price.
The Good
The Bad
D-Link DCH-S161 Wi-Fi Water Sensor
| Specification | |
|---|---|
| Connectivity | Wi-Fi |
| Power Source | AC power adapter |
| Water Detection Method | Sensing probes |
| Mobile App | Yes, mydlink App |
| Alerts | Real-time push notifications and email alerts |
| Additional Features | Ability to set custom detection zones, adjustable sensitivity |
| Compatibility | Works with Amazon Alexa, Google Assistant, and IFTTT |
The D-Link DCH-S161 Wi-Fi Water Sensor will let you know if your sink, water heater, or washing machine is leaking. It will also tell other smart devices to help prevent flooding and other damage. The D-Link DCH-S161 is a Wi-Fi sensor that sounds a siren and sends a push alert to your phone when it detects moisture.
This can keep your floors, walls, and cabinets from getting seriously damaged. It works with Google Assistant voice commands and can control other smart devices like cameras and smart plugs. However, it doesn’t work with Amazon Alexa voice commands or Apple’s HomeKit platform, and it doesn’t have humidity and temperature sensors.
- Wi-Fi connectivity makes setup easy and allows for monitoring from afar.
- Customizable sensitivity settings and detection zones allow for personalized monitoring
- Works with smart home platforms like Amazon Alexa, Google Assistant, and IFTTT.
- Needs AC power, which limits where you can put it.
- For installation in some places, you may need extra parts.
The Good
The Bad
Wasserstein Wi-Fi Water Leak Sensor
| Specification | |
|---|---|
| Connectivity | Wi-Fi |
| Power Source | Battery (2 CR2 batteries included) |
| Water Detection Method | Sensing probes |
| Mobile App | Yes, Wasserstein App |
| Alerts | Real-time push notifications and email alerts |
| Additional Features | Compact design, easy installation with adhesive tape |
| Compatibility | Works with Amazon Alexa and Google Assistant |
The Wi-Fi Leak Sensor from Wasserstein is our Best Value pick for a number of reasons. Even though it wasn’t the fastest at sending alerts, it was still able to do so over both Wi-Fi and cellular data in less than 20 seconds. Setting up is about as easy as it can get. Overall, it is one of the best Smart Water Leak Detectors that you can buy.
The manual has a QR code that you can scan to get to the Wasserstein App. It takes less than a minute to follow the app’s instructions and get the leak detector working. Wasserstein’s leak detector comes with a probe, which is helpful if you want to slide the sensor into a tight space, like under or behind a washing machine or dishwasher.
- Wi-Fi connectivity makes setup easy and allows for monitoring from afar.
- With its small size, easy installation with tape, and many placement options,
- Works with smart home platforms like Amazon Alexa and Google Assistant
- uses batteries, which may need to be changed over time.
- Compared to other water leak detectors, it has less compatibility.
The Good
The Bad
Govee Wi-Fi Water Leak Detector
| Specification | |
|---|---|
| Connectivity | Wi-Fi |
| Power Source | Battery (3 AAA batteries included) |
| Water Detection Method | Sensing probes |
| Mobile App | Yes, Govee Home App |
| Alerts | Real-time push notifications and email alerts |
| Additional Features | Loud alarm (100dB), low battery warning, mute mode |
| Compatibility | Works with Amazon Alexa and Google Assistant |
The Govee Wi-Fi Water Leak Detector was easier to set up than some of the other leak detectors we tested. On the first try, it didn’t connect to my Wi-Fi, but on the second try, it took less than a minute to set up. Even though the setup was mostly easy, the notifications were hard to get right.
The leak detector sends almost instant alerts over Wi-Fi, but when my phone was connected to data, we never got any alerts. Overall, if you have a steady internet connection, Govee’s water sensor works great. But you might not get them if you’re not connected to your home network.
- Wi-Fi connectivity makes setup easy and allows for monitoring from afar.
- Loud alarm (100dB) to let you know right away if there’s a water leak.
- Low-battery alert and mute mode let you customize your alerts
- Works with smart home platforms like Amazon Alexa and Google Assistant
- uses batteries, which may need to be changed over time.
- Some people may find the alarm too loud.
The Good
The Bad
D-Link DCH-S1621KT Leak Sensor Kit
| Specification | |
|---|---|
| Connectivity | Wi-Fi |
| Power Source | AC power adapter |
| Water Detection Method | Sensing probes |
| Mobile App | Yes, mydlink App |
| Alerts | Real-time push notifications and email alerts |
| Additional Features | Hub included, expandable with additional sensors, adjustable sensitivity |
| Compatibility | Works with Amazon Alexa, Google Assistant, and IFTTT |
The D-Link DCH-S1621KT Whole Home Smart Wi-Fi Water Leak Sensor Kit brings together the best features we’ve seen in leak sensors. It has a plug-in hub, as well as a 19-inch water-sensing cable that can be removed and a 38-inch extension cord that can be used to make that cable longer.
The kit also comes with a remote sensor the size of a matchbox that is powered by a battery and can connect wirelessly to the hub from up to 300 feet away. The hub can connect with up to 16 add-on sensors, responds quickly when it detects water or loses power, and has a loud siren. This is one of the best Smart Water Leak Detectors that you can buy right now.
- Complete leak detector kit with a hub and multiple sensors for a wider area of coverage
- Wi-Fi connectivity makes setup easy and allows for monitoring from afar.
- Leak detection settings that can be changed to fit your needs
- Larger areas or more rooms can be covered with more sensors.
- Works with smart home platforms like Amazon Alexa, Google Assistant, and IFTTT.
- Needs AC power, which limits where you can put it.
- Because it has a hub, it may require more setup and configuration.
The Good
The Bad
Proteus Aquo Wi-Fi Water Sensor
| Specification | |
|---|---|
| Connectivity | Wi-Fi |
| Power Source | Battery (2 AA batteries included) |
| Water Detection Method | Sensing probes |
| Mobile App | Yes, Proteus Aquo App |
| Alerts | Real-time push notifications, email, and SMS alerts |
| Additional Features | Long range Wi-Fi, customizable alert tones, history logs |
| Compatibility | Works with Amazon Alexa and Google Assistant |
The Proteus Aquo Wi-Fi Water Sensor can be set up in more ways than any other leak detector we looked at. It can work with Amazon Alexa, Google Assistant, and IFTTT, and you can set up alarms and power notifications. This device also has a loud alarm (85 dB) and can connect up to five sensors at the same time.
But making changes can be hard, and Proteus doesn’t have a special app for smartphones. The device also needs to be plugged into the wall and costs more than our other choices. This is one of the best Smart Water Leak Detectors that you can buy right now.
- Long-range Wi-Fi connections allow for wider coverage and more placement options.
- Alert tones that can be changed to fit your needs
- History logs to keep track of what happened in the past and how much water was used
- Works with smart home platforms like Amazon Alexa and Google Assistant
- uses batteries, which may need to be changed over time.
- Compared to other water leak detectors, it has less compatibility.
The Good
The Bad
Phyn Smart Water Assistant
| Specification | |
|---|---|
| Connectivity | Wi-Fi |
| Power Source | AC power adapter |
| Water Detection Method | Ultrasonic flow sensing |
| Mobile App | Yes, Phyn App |
| Alerts | Real-time push notifications and email alerts |
| Additional Features | Water usage tracking, leak detection, plumbing monitoring |
The Phyn Smart Water Assistant could be the answer for people who can’t afford the Phyn Plus Smart Water Assistant + Shutoff valve. This device costs less than half as much as the Phyn Plus and does everything it does except have an automatic shutoff valve.
The Phyn, like the Phyn Plus, measures the water pressure in your home. It can tell when the pressure drops and, using algorithms, tell you if it’s because a pipe burst or a toilet is leaking. The Phyn is easy for a homeowner to install under any sink because it doesn’t come with a valve to turn off the water.
- Advanced ultrasonic flow sensing technology helps keep track of water and find leaks.
- Tracking how much water is used will help better manage and save water.
- Monitoring plumbing to find problems with pipes and fixtures
- Works with smart home platforms like Amazon Alexa and Google Assistant
- Needs AC power, which limits where you can put it.
- Compared to other water leak detectors, this one has a higher price.
The Good
The Bad
FAQs
If you have one or more water alarms in your home, they can let you know as soon as a leak starts so you can take action. They can help you avoid long-term damage caused by leaks, like mold growth.
The Flo by Moen is the best smart water shutoff valve all around. But the YoLink starter kit for detecting leaks and the Phyn Plus smart assistant are also great options.
The Flo by Moen is a smart water meter that checks for leaks, keeps water damage from happening, and keeps track of how much water is being used in your home.
Distributed Acoustic Sensor (DAS) systems listen for the noise made by the under-pressure fluid escaping, which vibrates the pipe wall where the fiber is attached. With this vibration, leaks in water pipes as small as 0.5 liters (0.13 gallons) per minute have been found.