If you’re looking to buy a new water leak alarm and still confused about which one is best.

Then you’re in the right place because Our team has spent more than 50 hours researching, comparing, and testing the different options available in the market nowadays to be able to compile the following list of picks for the best water leak alarm you can purchase right away from Amazon.

First, here are our picks for today along with our research score for each item.

Top 10 best water leak alarm (Our Favorites)

Now, let’s take a look at each item of the best water leak alarm, in order to know the different features & benefits of each pick.

Resideo RWD21 Reusable Water Leak Alarm

$9.83
$8.39
 in stock
12 new from $8.39
1 used from $7.19
Free shipping
Amazon.com
as of May 7, 2022 2:58 am

Features

  • Unlimited use spot detector
  • Economical way to defend against water leaks in multiple locations throughout the home
  • Water sensor and alarm in one
  • Audible alert when water is detected
  • Detects water only 1/16" deep

Govee WiFi Water Sensor 3 Pack, Water Leak Detector 100dB Adjustable Alarm and App Alerts, Leak and Drip Alert with Email, Wireless Detector for Home, Basement(Not Support 5G WiFi)

$54.99
$46.74
 in stock
2 new from $46.74
1 used from $43.00
Free shipping
Amazon.com
as of May 7, 2022 2:58 am

Features

  • Real-time Alerts: Connect the gateway to WiFi, and the water leak detector will instantly send emails, App notifications & alerts to your phone when water leakage occurs even you're not at home. Water sensors and gateway are paired right out of the box.
  • Loud Alarm with Mute: If WiFi is not temporarily available, our 100dB water alarm is loud enough to be heard. Press the Mute button to silence the alarm when you find the leak.
  • Drip and Leak Alerts: Water sensor comes with 2 groups of back water detector probes & 1 group of front probes for pipe dripping detection. Use the App to name each sensor with its location.
  • Connects to Multiple Sensors: WiFi connection gateway has a stronger and more stable signal transmission & lets you connect with multiple sensors simultaneously (10 max).Remember to upgrade your latest firmware on Govee Home App when updates become available.
  • IP66 Waterproof : The completely sealed IP66 waterproof design allows for extended use in high moisture areas. Note: The water leak detector only support 2.4G WiFi, not support 5G WiFi.

Govee Water Detectors 5 Pack, 100dB Adjustable Audio Alarm Sensor, Sensitive Leak and Drip Alert, for Kitchen Bathroom Basement (Battery Included)

$49.99
$42.49
 in stock
Amazon.com
as of May 7, 2022 2:58 am

Features

  • Dripping and Leaking Alarm: Besides 2 groups of backwater detector sensor probes, each detector also has 1 group of front probes for pipe dripping.(Note: Only paired with the gateway of the water detector, cannot paired with the gateway of the hygrometer.)
  • Wireless and Easy to Use: No wire or setup required, the mini size allows you to put it on any place where the water leak may be happening. With kit "B07QP153GT", you are able to monitor leaks on your phone even you're not at home."B07QP153GT" not Included in Package.
  • Adjustable Alarm Audio: Each water leak detector features an 0-100 dB adjustable alarm audio. Loud enough to be heard even if leak happens in basement, press the button to mute the sound when you find the leaking place.
  • Low Battery Alert: The water sensor alarm will beep and flash a red light when a battery is low, or press the button on it to test the battery level.
  • IP66 Waterproof: The completely sealed waterproof design allows for extended use in high moisture areas.

THE BASEMENT WATCHDOG Model BWD-HWA 110 dB Battery Operated Water Alarm

$19.95
$12.48
 in stock
26 new from $12.46
Free shipping
Amazon.com
as of May 7, 2022 2:58 am

Features

  • Detects as little as 1/32 in. of water to offer an effective early warning system
  • Solid-state circuitry is extremely sensitive and reliable
  • Loud 110 dB alarm can be heard throughout the house
  • Sensor has a 6 ft. wire so it can be extended into a sump pit, or mounted on a wall
  • Accommodates the addition of more than 100 ft. of wire (additional 24-Gauge wire not included)

YoLink Smart Home Starter Kit: Amazon's Choice Water Sensor 4-Pack & Hub Kit - Our Original Water Leak Sensor (Qty. 4) and Hub Kit. Sensor Compatible with Alexa and IFTTT

$79.99  in stock
2 new from $79.99
Free shipping
Amazon.com
as of May 7, 2022 2:58 am

Features

  • Easy to install. Scan, Plug and Play. Full installation and setup in less than 10 minutes
  • Protected and informed, with Realtime phone app notifications, emails, SMS messages and automations (turn on optional sirens, smart plugs..)
  • FAIL/SAFE: Patented technology! Pair your leak sensors to battery powered valve controllers and/or sirens. No internet, no WiFi, power outage no worries!
  • Latest Wireless Technology LoRa: low-power consumption (5+ year battery life) and "Longest Range, by Far!" (1/4 mile, open air)
  • Whole house smart home solution: Your YoLink leak detection system is part of a complete product line, including smart wireless automatic water shut-off and a full smart home solution, including security, locks, plugs & switches, temperature, humidity, and smoke/CO sensors, and more

Flood Buzz Water Leak Detector Sounds Alarm (Set of 3)

$19.95  in stock
9 new from $19.95
Free shipping
Amazon.com
as of May 7, 2022 2:58 am

Features

  • LOW-COST, LOUD AND EFFECTIVE water leak alarm designed to help mitigate damage and avoid the associated liabilities and legal exposure to landlords and management companies caused by water leaks.
  • IMPORTANT TOOL to warn apartment dwellers, condo owners, managers and landlords of leak conditions so that they can be fixed before they become much costlier problems.
  • NO BATTERIES REQUIRED. Lasts up to 3 years.
  • SIMPLE INSTALLATION. Just place it and forget it. If water is present, a 110 dB alarm will sound.
  • PERFECT for water heaters, laundry areas, under sinks, next to toilets, and near any suspected leak locations.

Wireless Water Leak Sensor Alarm - WER 90db Loud Buzzer, Longer Alarm Detection for Your Belongings (Shipped Without Battery)

$28.99  in stock
Amazon.com
as of May 7, 2022 2:58 am

Features

  • UNIQUE DESIGN - Size: diameter 87mm * height 38mm, only 100grams and portable, easy to be installed and used, suitable for the sink cabinet, sump pump, washing machine, bathrooms, basements, kitchen and water heater, anywhere you think the need for the waterproof alarm.
  • HIGH QUALITY - The liquid leak alarm is made of ABS plastic and electronic parts, completely waterproof design, it's okay to float on water. The high-sensitivity component built-in the leak detector sensor that can accurately detect the light moisture and issue loud alert.
  • EASY TO USE - Wireless water leak detector alarm, just powered by one 6F22 9V battery (battery is not included), just twist off the sensor cover and install the battery manually, the sensor consumes very little power and can give you home safety protection for up to one year.
  • HIGH SENSITIVITY SENSOR - No buttons, no programming, as long as three electrodes on the bottom of the detector sensor is in contact with water or liquid, it will immediately alarm, so you only need to place it in a leaky place. When liquid leaks, the detector will sound 90dB to remind you.
  • 100% MONEY BACK GUARANTEE - 30 DAY GUARANTEE + 1 YEAR WARRANTY ON MATERIALS - Risk Free Returns within 30 Days. Widely used in places where you live or work, for example “bathroom, kitchen, basement, garage, boat, water pipe and liquid storage etc, the water leak sensor can effectively remind you of the liquid leakage and give you a safe living and working environment.

Instapark Water Leakage Detection Alarm and Sensor, Low Battery Alert Pack of 3

$21.90  in stock
Amazon.com
as of May 7, 2022 2:58 am

Features

  • 24/7 365 days automatic water leakage alarm is triggered when leakage or flooding is detected, a low-cost, simple, and effective device prevents property damage, monetary loss, health risks caused by water damage
  • Powerful 130-dB alarm travels up to 100 yards, from end-zone to end-zone
  • Advanced and sophisticated solid state circuitry ensures long-term sensitive and reliable operation
  • Easy to remove, easy to clean double-sided adhesive foam tape pad included and built-in suction cup for easy attachment to an appliance
  • 44-inch long wire extends far and beyond

Zircon Leak Alert Water Leak Detector & Flood Sensor Alarm/Water Leak Sensor with Dual Leak Alarms 90Db Audio/Battery Powered (2 Pack) Batteries Not Included (72311) , White

$25.45  in stock
Amazon.com
as of May 7, 2022 2:58 am

Features

  • Loud (90dB) alarm sounds when even the slightest amount of moisture is detected
  • In flood situations, the Leak Alert water detector is engineered to float and continue to sound the SOS alarm for up to 72 hours or until the battery is exhausted
  • Fully automatic battery-powered operation - no wiring required for this leak sensor. Like your smoke and carbon monoxide detectors, a low battery warning chirps an alarm when it is time to replace the 9V battery
  • Place in basements, bathrooms, kitchens, or wherever there is a potential for leaks. Common placements of the leak detector are near sump pumps, water heaters, washing machines, dishwashers, under sinks, etc
  • Includes 2 Leak Alert units and detailed instructions

Govee Water Detectors 2 Pack, 100dB Adjustable Audio Alarm Sensor, Sensitive Leak and Drip Alert, for Kitchen Bathroom Basement (Battery Included)

$22.99  in stock
Amazon.com
as of May 7, 2022 2:58 am

Features

  • Dripping and Leaking Alarm: Besides 2 groups of backwater detector probes, each detector also has 1 group of front probes for pipe dripping.(Note: Only paired with the gateway of the water detector, cannot paired with the gateway of the hygrometer.)
  • Wireless and Easy to Use: No wire or setup required, the mini size allows you to put it on any place where the water leak may be happening. With kit "B07QP153GT", you are able to monitor leaks on your phone even you're not at home."B07QP153GT" not Included in Package.
  • Adjustable Alarm Audio: Each water leak detector features 0-100 dB adjustable alarm audio. Loud enough to be heard even if a leak happens in the basement, press the button to mute the sound when you find the leaking place.
  • Low Battery Alert: The water sensor alarm will beep and flash a red light when a battery is low, or press the button on it to test the battery level.
  • IP66 Waterproof: The completely sealed waterproof design allows for extended use in high moisture areas.