Best Smart Home Water Monitor: The most standard DIY devices are battery-powered discs or square boxes that can be installed near the floor where leaks can happen, such as under a fridge, sink, toilet, or washing machine. They have metal feet (sensor terminals) that make contact with the floor, plus built-in Bluetooth or Wi-Fi radios to connect to a console to retrieve readings.
Cool water can be hydrating except when it is in the form of a puddle that seeps from a toilet bowl. A sophisticated water leak detector can help decrease the effects of plumbing issues by informing you the moment they are re-detected, regardless of whether you’re home or not.
Best Smart Water Leak Detector
To identify the best water leak detectors for different household needs and aggressive smart-home setups, we consulted plumbing and leak prevention experts to collect information and conduct tests in person.
Flume 2 Smart Home Water Monitor & Water Leak Detector
Do you ever worry about water leaks in your home? Flume 2 is a smart home water monitor that can help you stay informed of any potential issues. This device not only monitors water usage but also detects any leaks. If you detect a leak, Flume 2 can alert you via text or email so that you can take action. This is a great way to keep your home safe and avoid costly repairs.

Do you ever wonder why the water you use ends up outside? Flume can help you understand the reasonable outdoor versus indoor usage of water, see your whole use history, and set up a more proficient irrigation schedule. 67 percent of customers asserted being more aware of where they used water after using Flume.
Product information
Manufacturer | Flume |
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Item Weight | 2.4 pounds |
Package Dimensions | 11.38 x 6.22 x 4.49 inches |
Batteries | 1 Product Specific batteries required. (included) |
Batteries Included? | Yes |
Batteries Required? | Yes |
Battery Cell Type | Lithium Metal |
Resideo RWD21 Reusable Water Leak Alarm
Extremely easy to set in place – situated beneath the lowest location where water leak can take place. Detects water 1 16″ deep. Good for areas not often observed Water Heaters – Behind Washing Machines or Dishwashers – Under Refrigerator for Ice Makers – Under Sinks – Sump Pumps of inside pits – Toilets – Behind or near media systems. Provides early warning of possibly expensive water damage.

It is no longer surprising that you may experience leaks or floods again! The Honeywell RWD21 Single Use Water Leak Alarm notifies you once the water comes into contact with it for rapid response to leaks and floods so that water damage resulting from unknown water exposure is minimized. It is ideal for mounting around areas such as leaking sump pumps, vulnerable water tanks, burst-prone pipes, or even underwater.
Product information
Manufacturer | Honeywell Home |
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Part Number | RWD21/A |
Item Weight | 3.2 ounces |
Product Dimensions | 5.5 x 1.38 x 7.25 inches |
Country of Origin | China |
Item model number | RWD21 |
Batteries | 1 9V batteries required. |
Is Discontinued By Manufacturer | No |
Size | 1-Pack |
Color | White |
Material | Plastic |
Shape | Circular |
Power Source | Battery Powered |
Installation Method | Free Standing |
Item Package Quantity | 1 |
Usage | Inside |
Included Components | Water LeaK Alarm |
Batteries Included? | No |
Batteries Required? | Yes |
Battery Cell Type | Alkaline |
Moen 920-005 Flo Smart Water Leak Detector, White, 3-Pack
Connects to the Moen Smart Water App to notify you of moisture through notifications to their smartphone. The Moen Smart Water App can also be customized to monitor moisture levels, humidity, and temperature.

This Smart Leak Detector can be set up anywhere in your home where leaks and moisture could be a result of environmental factors or fixture malfunctions, including the basement or laundry room, in order to provide protection 24/7. When water, excess humidity, or extreme temperatures are discovered, the unit sends an alert through the Moen Smart Water App, sounds an audible alarm, or executes automation.
Product information
Manufacturer | Moen Incorporated |
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Part Number | 920-005 |
Item Weight | 12.8 ounces |
Product Dimensions | 3.25 x 2.63 x 1.5 inches |
Country of Origin | China |
Item model number | 920-005 |
Batteries | 3 CR123A batteries required. |
Size | 3-Pack |
Color | White |
Finish | White |
Pattern | Leak Detector |
Power Source | Battery Powered |
Item Package Quantity | 1 |
Included Components | Wall mount screws, Remote sensing discs with 48″ extension cable, Wall mount bases, Self-adhesive wall mount stickers, Batteries, 3 smart water detectors |
Batteries Included? | No |
Batteries Required? | No |
Battery Cell Type | Lithium Metal |
Warranty Description | Limited Lifetime Warranty |
Govee Water Detectors 5 Pack Bundle with WiFi Water Sensor 2 Pack, 100dB Adjustable Alarm and Smartphone App Notifications, Water Leak and Drip Alerts by Email, Water Detector for Home Bedrooms
Connect the gateway to WiFi and instantly receive app notifications and alerts to your phone, plus emails to your inbox, when water leakage is detected. Stay informed even outside the home. Water sensors and included gateway are paired right out of the box. Note Only 2.4Ghz WiFi is supported.

Govee water detector 5-pack, wireless water sensor 2-pack, 100dB adjustable alarm, smartphone app notifications, water leak, drip alerts by email, water detector for home, bedrooms, basement, kitchen, bathroom, laundry.
SABRE Wired Water Leak Flood Alarm Sensor with 110 dB Siren – DIY EASY Installation
This Water Leakage Alarm is from SABRE Security Equipment Corporation, the maker of the world’s most popular pepper sprays SABRE 3-in-1 and SABRE Red. SABRE is the brand recommended by both law enforcement agencies and consumers, and it offers effective pepper spray training and technical support so individuals can fully maximize personal safety.

This modern alarm protects your house, office, and belongings from water damage. This alarm is triggered when leakage or flooding is detected. Requires 2 x AAA batteries (not included).
Product information
Manufacturer | Security Equipment Corporation |
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Part Number | HS-WLA |
Item Weight | 2.89 ounces |
Product Dimensions | 0.75 x 5.25 x 3.5 inches |
Country of Origin | China |
Item model number | HS-WLA |
Batteries | 2 AAA batteries required. |
Is Discontinued By Manufacturer | No |
Size | 1 Pack |
Power Source | Battery |
Item Package Quantity | 1 |
Included Components | Alarm |
Batteries Included? | No |
Batteries Required? | Yes |
Resideo RCHW3610WF1001/N Wi-Fi Water Leak Detector, 1.2, White
It enables you to stay completely connected to and aware of potentially costly water leaks in your home. Use it anywhere you want to keep aware of leaks and freezes, including in any room you wanted to monitor surreptitiously.

Connect your Wi-Fi Water Leak and Freeze Detector and the app to the Resideo system, and you can remotely control your system. Whether you’re home or away, having everything connected means you can get alerts for potential water leaks and frozen pipes, no matter where you are.
Product information
Manufacturer | Resideo |
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Part Number | RCHW3610WF1001/N |
Item Weight | 4.8 ounces |
Product Dimensions | 1.26 x 3.07 x 3.07 inches |
Country of Origin | Taiwan |
Item model number | RCHW3610WF1001/N |
Batteries | AA batteries required. |
Is Discontinued By Manufacturer | No |
Size | 1.2 |
Color | White |
Style | Detector |
Voltage | 120 Volts |
Item Package Quantity | 1 |
Type of Bulb | LED lights |
Number Of Holes | 32 |
Special Features | Alarm Sensor Type Floor, Number of Sensors Included 1, Indoor/Outdoor Indoor, Surveillance Features Audio Alert/Siren,WiFi Enabled, Battery Back-Up Yes, Sensor Type Water |
Included Components | Wi-Fi Water Leak Detector |
Batteries Included? | No |
Batteries Required? | Yes |
Battery Cell Type | Alkaline |
Description Pile | AA |
Average Battery Life | 1095 days |
D-Link Wi-Fi Water Leak Sensor and Alarm Starter Kit, Whole Home System with App Notification, AC Powered, No Hub Required (DCH-S1621KT)
Easy setup and placement makes it easy to place the set up a 5-foot, 1.5-foot cord with an attachable water-sensing cable. Wirelessly expand the area in up to 16 susceptible areas, such as next to water heaters, washers, and under sinks, with Sensor Pods (DCH-S163).

Portable WiFi water sensor pod (DCH-S163) comprises a battery life up to 5 years and has an embedded Sub-Gig frequency band and probes on its bottom that can detect leaks or bursts anywhere. It can be worn discreetly in washing machines, water heaters, and also backsplashes or storeroom eave.
Product information
Product Dimensions | 2.25 x 2.32 x 2.19 inches |
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Item Weight | 5.1 ounces |
ASIN | B093CPQRJX |
Item model number | DCH-S1621KT |
Batteries | 2 AAA batteries required. (included) |
Customer Reviews | 4.1 out of 5 stars |
Best Sellers Rank | #16,173 in Tools & Home Improvement |
Date First Available | April 23, 2021 |
Manufacturer | D-Link Systems, Inc. |
Country of Origin | China |
Aeotec SmartThings SmartThings Water Leak Sensor, ZigBee, Battery Powered, Smart Home Hub Compatible
The Aeotec Water Leak Sensor, formerly the SmartThings Water Leak Sensor, is a small device that provides protection against dangerous flooding. Just set it and forget it. The sensor alerts about moisture or temperature changes, thereby preventing water emergencies. Easily install the sensor in sinks and other appliances and devices that are predisposed to water leaks.
The sensor should be used with the Aeotec Smart Home Hub or SmartThings Hub or the compatible device for function, and the app with the free SmartThings app for the ability to access and receive alerts on your phone when excess moisture or temperature changes emerge.
Product information
Manufacturer | Aeotec |
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Part Number | GP-AEOWLSUS |
Item Weight | 1.76 ounces |
Package Dimensions | 3.66 x 3.58 x 2.13 inches |
Batteries | 1 CR2 batteries required. (included) |
Power Source | Battery Powered |
Item Package Quantity | 1 |
Batteries Included? | Yes |
Batteries Required? | Yes |
Battery Cell Type | Lithium Manganese Dioxide |
In conclusion, the best smart home water monitor you find in this article. It’s easy to use, has a large learning curve, but is packed with features that provide you with valuable information about your home’s water use and temperature. With this information, you can make informed decisions about how to save water and energy in your home.