The 3 Best Smart Water-Leak Detectors of 2024

Water damage is one of the most common and expensive causes of property damage. Smart water leak detectors provide a way to detect a water leak problem before it becomes a disaster. These puck-like devices can detect water buildup, set off an alarm, and send you a smartphone notification. If you already have a problem area, such as a clogged drain or an outdated water heater, or you're worried your dishwasher or washing machine might break, a detector placed near the potential leak zone will ensure detection Know the moment something goes wrong and take action.

The D-Link DCH-S1621KT Whole Home Smart Wi-Fi Water Leak Sensor Kit is the best water leak detector we've tested due to its fast response time, effective alarm, multiple detection options (including a cable extension), and ease of use to set up.

Our choice

This sensor offers best-in-class response times and comprehensive and versatile leak detection options, but its smart home support is limited.

Compatibility: Google Home, IFTTT

D-Link's DCH-S1621KT Whole Home Smart Wi-Fi Water Leak Sensor Kit includes a standalone sensor puck and a 19-inch leak detection cable, which together provide a larger leak detection range compared to competitors. Although D-Link's smart home integration is minimal, its fast response times and impressive 83-decibel alarm make this sensor kit the best choice for most people.


This water leak sensor responds quickly and is easy to set up, but it also requires the purchase of a hub.

Compatibility: Amazon Alexa, IFTTT

YoLink's Water Leak Sensor 4 was responsive during our testing by quickly detecting leaks. It easily integrates into an existing Amazon Alexa or IFTTT setup and the top and bottom mounted probes give you additional leak coverage for potentially dripping or burst pipes. YoLink requires you to purchase one of its Smart Hubs to connect its sensors to your home network, but they are inexpensive; Some hub models have an integrated speaker. Alternatively, you can purchase a hub in a package that also includes multiple sensors.

Budget selection

Although this model has the fewest features, it only takes a few seconds to set up, performance is fast for a Wi-Fi-based detector, and it has an alarm that reaches the volume of a fire alarm.

Compatibility: Amazon Alexa (Skill), Google Home

The Kidde Water Leak + Freeze Detector doesn't cover much, aside from the basics: Its smart home support is barebones, and it only has two sensor probes, unlike competitors that have a series of top- and bottom-mounted probes. Still, this Kidde model performed fairly quickly during our testing; It also has one of the loudest alarms among the models we tested and typically costs less than $30, with no additional hardware required. We have concerns about the company's response to our privacy and security questions, which left much unanswered.

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