Our website is reader-supported. When you buy through links on our site, we may earn an affiliate commission. Learn more

The Best water leak detector of 2021 – Top 10 and Rankings

If you’re looking for water leak detector but don’t know which one is the best, we recommend the first out of 10 water leak detector in this article. Check out how we decide after hours of researching and comparing dozens of items on the market.

Rank No. #1
Govee Water Detectors 5 Pack, 100dB Adjustable Audio Alarm, Sensitive Leak and Drip Alert, for Kitchen Bathroom Basement (Battery Included)
  • Dripping and Leaking Alarm: Besides 2 groups of back water detector probes, each detector also has 1 group of front probes for pipe dripping.
  • Wireless and Easy to Use: No wire or setup required, the mini size allow you to put it on any place where the water leak may be happen. With kit "B07QP153GT", you are able to monitor leaks on your phone even you're not at home.
  • 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 red light when 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.
Rank No. #2
Govee WiFi Water Sensor 3 Pack, 100dB Adjustable Alarm and App Alerts, Leak and Drip Alert with Email, for Home, Basement
  • Real-time Alerts: Connect the gateway to WiFi, and it 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. Note: Doesn't support 5G WiFi.
  • Loud Alarm with Mute: If WiFi is not temporarily available, our 100dB 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).
  • IP66 Waterproof : The completely sealed IP66 waterproof design allows for extended use in high moisture areas.
Rank No. #3
YoLink Smart Home Starter Kit: Amazon's Choice Water Sensor 4-Pack & Hub Kit - Our Best-Selling Original Water Leak Sensor (Qty. 4) and Hub Kit. Sensor Compatible with Alexa and IFTTT
  • World's Longest Wireless Range: Powered by LoRa technology, the long-range yet low-power system offers the industry’s longest receiving range in the market (1/4 mile). Our long-range coverage enables its use in areas challenging for most residential Wi-Fi systems, such as basements, outdoor porch/patio areas, sheds, free-standing garages, even remote outbuildings on your property.
  • Easy and Effective Property Protection: The YoLink wireless Water Sensor could not be easier to install; just place near or under the equipment you wish to monitor. Suggested uses are near or under sump pumps, toilets, water heaters, laundry machines, dishwashers, sinks, fish tanks and any other location subject to water leaks and flooding.
  • Early-Warning Notifications: Receive real-time early-warning notifications (in the form of smartphone banner alerts, limited SMS/text messages, and emails) and protect your home and property from water damage; Due to the water-tight and submersible design of the original Water Leak Sensor, an internal sounder/siren would not be heard outside of the water-tight housing. For an audible alarm, consider our Siren Alarm or consider the Water Leak Sensor 2 which has a built-in sounder.
  • Plug, Plug & Play! Plug Hub into an outlet, plug Hub into your router, scan in new devices, and enjoy your new system, in minutes! Your Hub is the only device that connects to the Internet, and a wired or WiFi connection is required (wired required for easy & fast Plug, Plug & Play, and most reliable and secure connection). WiFi connection set-up difficulty varies and requires changing settings to your network and/or your phone Changes to your network, passcodes, etc, require changes in the app.
  • From Simple to Super-Smart: After setting up your notification preferences, keep it simple and let the YoLink system do the rest and monitor your home and property for you. Or, utilize available advanced automation features, including 3rd-party integration with Alexa and IFTTT, to interact with other YoLink and 3rd-party smart devices. Limited only by your imagination!
SaleRank No. #4
Moen 920-004 Flo by Moen Smart Water Detector, 1-Pack
  • PROTECT YOUR HOME FROM WATER DAMAGE: Can be placed in the home wherever there is a risk for potential water damage, such as a flooding basement, washing machine leak, hot water tank failure, etc
  • 24/7 PROTECTION: Smart technology helps detect leaks to help reduce the risk of water damage by providing 24/7 monitoring
  • CONSTANT MONITORING: Monitors for water leaks and measures the room’s temperature and humidity to help protect against frost and mold risk
  • REAL-TIME NOTIFICATIONS: Senses and sends real-time app notifications of water events that happen outside of the pipes – like a flooding basement or malfunctioning appliance
  • WHOLE HOME PROTECTION: Offers ability to use and connect multiple detectors within the home for whole home protection; Available in single- or multi-packs, providing the opportunity to achieve home water management at any budget
Rank No. #5
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 , Audio Only - 68320
  • 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.
  • Bonus Pack includes 2 Leak Alert units - batteries are not included
Rank No. #6
Govee WiFi Water Sensor, 100dB Adjustable Audio Alarm and Smart App Alerts, Leak and Drip Alert with Email, for Home, Basement
  • Real-time Alerts: Connect the gateway to WiFi, and it 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. Note: Doesn't support 5G WiFi.
  • Loud Alarm with Mute: If WiFi is not temporarily available, our 100dB 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).
  • IP66 Waterproof : The completely sealed IP66 waterproof design allows for extended use in high moisture areas.
Rank No. #7
Underground Water Leak Detector 2 Meter, Professional Ultrasonic Water Leak Sensor Underground Pipes Water Leak Alarm Detector
  • 【Professional Leak Detector】PQWT-CL200 is made by one of the most famous manufacturer, a professional instrument for water leakage, perfect for water supply companies, heating companies, municipal construction companies and property companies.The maximum detection depth reaches 2 meter.
  • 【Operational Principle】When the fluid in pipeline erupts through leakage source due to the pressure, the noise produced by the impact on internal wall will spread along the pipeline or along the buried layer medium to the ground, and the instrument determines the leakage source through the amplification of leakage noise and the analysis of the spectrum signal.
  • 【Dual-mode Detection】The instrument contains 2 detection modes, rough measurement mode and filtering analysis mode, helps find the leakage quickly.
  • 【Easy to Operate】The water sensor is used to find and determine the location of leakage points of water supply pipeline, and they can also be used to detect the leakage of other pressure piping systems. Our leak detector has 4 languages (English, Turkish, Italian and Arabic) for options, you can learn the operations in 5 minutes by the instructions or operation video.
  • 【2 Years Warranty】We guarantee quality and service. 5-7 working days fast delivery. Any quesitons please feel free to contact us, we'll have expert one-on-one guidance.
Rank No. #8
Govee Water Detectors 2 Pack, 100dB Adjustable Audio Alarm, Sensitive Leak and Drip Alert, for Kitchen Bathroom Basement (Battery Included)
  • Dripping and Leaking Alarm: Besides 2 groups of back water detector probes, each detector also has 1 group of front probes for pipe dripping.
  • Wireless and Easy to Use: No wire or setup required, the mini size allow you to put it on any place where the water leak may be happen. With kit "B07QP153GT", you are able to monitor leaks on your phone even you're not at home.
  • 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 red light when 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.
Rank No. #9
Moen 920-005 Flo by Moen Flo by Moen Smart Water Detector, N/A
  • PROTECT YOUR HOME FROM WATER DAMAGE: Can be placed in the home wherever there is a risk for potential water damage, such as a flooding basement, washing machine leak, hot water tank failure, etc
  • 24/7 PROTECTION: Smart technology helps detect leaks to help reduce the risk of water damage by providing 24/7 monitoring
  • CONSTANT MONITORING: Monitors for water leaks and measures the room’s temperature and humidity to help protect against frost and mold risk
  • REAL-TIME NOTIFICATIONS: Senses and sends real-time app notifications of water events that happen outside of the pipes - like a flooding basement or malfunctioning appliance
  • WHOLE HOME PROTECTION: Offers ability to use and connect multiple detectors within the home for whole home protection; Available in single- or multi-packs, providing the opportunity to achieve home water management at any budget
Rank No. #10
D-Link Wi-Fi Water Leak Sensor and Alarm, App Notifications, Battery Powered, No Hub Required (DCH-S161-US)
  • [Sensor Probe] Designed to be sensitive, detecting shallow leaks to give you an early warning
  • [Loud, Localized Alarm] Water events always trigger the 90 db localized alarm to alert everyone at home
  • [Alerts on Your Phone] When water touches the sensor, it connects to your WiFi and sends you an alert through the mydlink app
  • [Easy Setup] Works with your WiFi at home. No hub required
  • [Long-Lasting Battery] Two AA batteries last up to 1.5 years while in power-saving mode. In power-saving mode, the LED is off to conserve power. It will still notify you when leaks are detected. If you'd like to check the device, press the action button to wake the device

How Do You Buy The Best water leak detector of 2021?

Do you get stressed out thinking about shopping for a great water leak detector? Do doubts keep creeping into your mind? We understand, because we’ve already gone through the whole process of researching water leak detector, which is why we have assembled a comprehensive list of the greatest water leak detector available in the current market. We’ve also come up with a list of questions that you probably have yourself.

We’ve done the best we can with our thoughts and recommendations, but it’s still crucial that you do thorough research on your own for water leak detector that you consider buying. Your questions might include the following:

  • Is it worth buying an water leak detector?
  • What benefits are there with buying an water leak detector?
  • What factors deserve consideration when shopping for an effective water leak detector?
  • Why is it crucial to invest in any water leak detector, much less the best one?
  • Which water leak detector are good in the current market?
  • Where can you find information like this about water leak detector?

We’re convinced that you likely have far more questions than just these regarding water leak detector, and the only real way to satisfy your need for knowledge is to get information from as many reputable online sources as you possibly can.

Potential sources can include buying guides for water leak detector, rating websites, word-of-mouth testimonials, online forums, and product reviews. Thorough and mindful research is crucial to making sure you get your hands on the best-possible water leak detector. Make sure that you are only using trustworthy and credible websites and sources.

We provide an water leak detector buying guide, and the information is totally objective and authentic. We employ both AI and big data in proofreading the collected information. How did we create this buying guide? We did it using a custom-created selection of algorithms that lets us manifest a top-10 list of the best available water leak detector currently available on the market.

This technology we use to assemble our list depends on a variety of factors, including but not limited to the following:

  1. Brand Value: Every brand of water leak detector has a value all its own. Most brands offer some sort of unique selling proposition that’s supposed to bring something different to the table than their competitors.
  2. Features:What bells and whistles matter for an water leak detector?
  3. Specifications: How powerful they are can be measured.
  4. Product Value: This simply is how much bang for the buck you get from your water leak detector.
  5. Customer Ratings: Number ratings grade water leak detector objectively.
  6. Customer Reviews: Closely related to ratings, these paragraphs give you first-hand and detailed information from real-world users about their water leak detector.
  7. Product Quality: You don’t always get what you pay for with an water leak detector, sometimes less, and sometimes more.
  8. Product Reliability: How sturdy and durable an water leak detector is should be an indication of how long it will work out for you.

We always remember that maintaining water leak detector information to stay current is a top priority, which is why we are constantly updating our websites. Learn more about us using online sources.

If you think that anything we present here regarding water leak detector is irrelevant, incorrect, misleading, or erroneous, then please let us know promptly! We’re here for you all the time. Contact us here. Or You can read more about us to see our vision.