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The Best Water Detectors & Alarms

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Discover now our comparison of the best Water Detectors & Alarms. It is never easy to choose from the wide range of offers. On the market, you will find an incalculable number of models, all at different prices. And as you will discover, the best Water Detectors & Alarms are not always the ones at the highest prices! Many criteria are used, and they make the richness and relevance of this comparison.
To help you make the best choice among the hundreds of products available, we have decided to offer you a comparison of the Water Detectors & Alarms in order to find the best quality/price ratio. In this ranking, you will find products listed according to their price, but also their characteristics and the opinions of other customers. Also discover our comparisons by categories. You won’t have to choose your products at random anymore.

SaleNo. 1
THE BASEMENT WATCHDOG Model BWD-HWA 110 dB Battery Operated Water Alarm
  • 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)
No. 2
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)
  • 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.
No. 3
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
  • 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
No. 4
Govee Water Leak Detectors 5 Pack, 100dB Adjustable Audio Alarm Sensor, Sensitive Leak and Drip Alert, for Kitchen Bathroom Basement (Battery Included)
  • 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.
No. 5
Water Leak Detector Sensor Alarm: Home Water Flooding Monitor Smart Sink Overflow Monitoring Adjustable Wet Moisture Alert Pipe Leakage Drip Detection Warning for Basement Floor
  • Drip & Leak Alerts: Water leak detector alarm is designed with 4 rear water leakage detection probes and 2 front drip probes. There will have an alert when any of the three sets of probes were under the water.
  • Wireless & Easy to Use: No wire or setup required, just put it on any place where the water leak may be happening.
  • Loud Alarm with Mute: Our 100dB alarm is loud enough to be heard, you can clearly know where the leak occurred and deal with it in time.
  • IP66 Waterproof : It adopts IP66 super waterproof surface shell allows long-term use in high humidity areas and long battery life.
  • Long Life & Low Battery Alert: The sensor is energy efficient and one battery can last over 2 years under normal usage, Low battery alert function allows will beep and flash a red light when the battery is low.
SaleNo. 6
YoLink Smart Home Starter Kit: Hub & Water Leak Sensor 4-Pack, SMS/Text, Email & Push Notifications, LoRa Up to 1/4 Mile Open-Air Range, w/Alexa, IFTTT, Home Assistant
  • "SMART WATER STARTER KIT" YoLink Hub Leak Detection Starter Kit, including one hub and quantity four Water Leak Sensor 1. Hub supports ethernet and/or WiFi (2.4GHz, only). Connect to your router's ethernet port for our "Plug, Plug & Play" easiest set-up - be up and running in just minutes!
  • SET IT & FORGET IT! Installs in seconds! 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, toilets, water heaters, laundry machines, dishwashers, sinks, fish tanks, in or near sump pumps, and by any other location subject to water leaks and flooding.
  • EXTREME LONG 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.
  • NO WIFI, NO INTERNET, NO POWER? NO PROBLEM! Our patented Control-D2D device-to-device pairing, over our LoRa-based wireless network, allows for devices to be paired to each other, in such a way they will continue to operate, even if WiFi is flaky, the internet goes down, or the AC power goes out!
  • UNLOCK YOUR SMART HOME! The YoLink Hub can support more than 300 devices and is compatible with the entire line of YoLink smart products, including security, environmental, power & lighting, smart locks, and cameras (coming soon!).
  • Requirements – Android or Apple smartphone, Ethernet with internet connection or stable WiFi connection (2.4GHz band). App is always free, with 5 free texts per device, plus 5, per month (this kit provides 20 free SMS per month, with more 200 or 500 more available per month for 2 or 5 dollars per month, respectively).
  • BATTERIES INCLUDED! Eight replaceable AAA batteries, good for over 5 years, are included!
No. 7
X-Sense Water Leak Detector, Water Sensor Alarm, Mini Water Detector Alarm with 110 dB Audio Alarm, Battery-Powered, Water Alarms for Basements, Sinks, Tanks, Pools, Model WS01
  • Note: As the WS01 operates independently and does not feature Wi-Fi connectivity, it is not compatible with the SWS54 kit (cannot be linked to the SBS50 base station)
  • Real-Time Monitoring of Water Leaks and Floods: 4 bottom sensor probes and 2 top sensor probes to detect water leaks and floods, providing an early warning of water damage; suitable for kitchens, bathrooms, basements, and more
  • Loud 110 dB Sound: When water alarm is triggered, emits a 110 dB alarm that is loud enough to be heard from a distance and which can be silenced with a simple push of the silence button
  • Long Lifespan: This water leak alarm detector offers a 5-year total lifespan and runs on 2 replaceable AAA batteries (included) that last 3 years; a low battery alert emits an audible beep and flashing red LED to remind you to replace the batteries
  • Wire-Free & Sensitive: Mini, sleek and simple to install in small, hard-to-reach areas, such as under the dishwasher or near water pipes; designed with sensitive probes that precisely and timely detect a minimum water level of 0.015 in (0.4 mm)
  • IP66 Waterproof: An IP66 waterproof rating allows for extended use in humid areas; durable structure and rust-proof exterior coating for long-term use
No. 8
GoveeLife WiFi Water Ieak Detector 2 for Home, Smart Water Ieak Sensor 4 Pack with 100dB Adjustable Alarm and App Alerts, Wireless Detector with 1312 ft Transmission for Basement, Kitchen, Bathroom
  • App & Email Real-time Alerts: Connect the gateway to Wi-Fi, and it will instantly send emails, app notifications, and alerts to your phone when a water leak occurs even if you're not at home, helping you locate the leak faster.
  • Voice Assistant Reminder: Intelligent voice control allows more freedom if you don’t want to look at your phone at home or not with you. Easily pinpoint water leaks using GoveeHome App or Alexa Voice Assistant.
  • Extremely Long Range: Powered by LoRa technology, the long-range low-power system offers the industry’s longest receiving range (1/4 mile). Areas such as basements and sheds connect up to 100 sensors to deliver product information smoothly.
  • High Sensitivity: This water leak detector is equipped with 2 top sensor probes and 4 bottom sensor probes to detect water leaks and drips. When a water leak occurs, it will activate an alarm up to100dB.
  • IP66 Waterproof: The IP66 waterproof rating allows long-term use in wet/damp areas, such as cabins, basements, or anywhere in your home where there is water. One battery can last over 2 years under normal usage, so you can use it with confidence.
No. 9
Geevon 4 Pack Water Leak Detectors, 100dB Water Sensor Alarms Flood Detector for Basements, Bathrooms, Laundry Rooms, Kitchens, Garages, and Attics, Water Alarms Battery-Operated (Battery Included)
  • LOUD 100DB WATER LEAK DETECTORS FOR HOME- Each water sensor alarm leak detector features ultra-loud 100dB alarm audio which is loud enough to be heard throughout the house even if the leak happens in the basement, garages, or wine cellar. The home water detector sensor will sound once the water is detected, alerting you of water leakage to avoid flood strikes.
  • PLACE ANYWHERE LEAKS HAPPEN - Geevon battery-operated water leak detector alarm residential with 3.15in diameter and 1.18in height which is easily placed anywhere you want, such as basements, laundry rooms, bathrooms, under sinks, or by water heaters to detect the leaks as they happen. Don’t let the water leakage damage your home property and cost your money!
  • HIGHLY SENSITIVE WATER DETECTION SENSOR - Basement flood detector water sensor alarm with 3 metal prongs embedded on the bottom is made from high-quality ABS materials & electronic parts with waterproof design, it's okay to float on water to detect leaks to prevent water damage.
  • WATER ALARMS BATTERY OPERATED - Water alarm leak detector is powered by a 6F22 9V battery(Shipped with Battery). No wiring or screws are required. Unwrap and install the included battery, then place the water detection alarm in areas where leaks and flooding may occur.
  • 30-DAY MONEY BACK GUARANTEE - Each package comes with 4 x Home Water Detector Alarm Sensors and 4 x 9V Batteries. We offer 30-day free money-back, 12-month warranty, and lifetime consulting service. Please let us know if you have any issues with our water sensors for leaks.
No. 10
Flood Buzz Water Leak Alarm; Water Leak Detector for Homes and Businesses; Reusable with Factory Installed Battery - 3 Pack
  • EASY TO USE, LOW-COST, TINY, LOUD: Factory installed battery means no setup required, just open and place in any leak potential area. No wires, this simple design allows for extended use in high moisture areas. Tiny footprint barely noticeable: 1.5'' by 1.75'' but makes a loud (up to 95db) piercing sound when water leaks are detected
  • USE ONE IN EACH ROOM IN YOUR HOUSE: Place in bathrooms, kitchens, or near any suspected leak locations. Basements, water heaters, boilers, laundry, refrigerators, dishwashers, under sinks, near toilets, washing machines.
  • LOUD ALARM: Alarms Immediately. Loud and easy to hear alert. Once a water leak is detected, the device lets out a 95-decibel alarm until disabled.
  • INTERNAL BATTERY IS FACTORY INSTALLED AND PRODUCT IS REUSABLE: The internal battery life of the Flood Buzz water leak detector lasts up to 3 years and the product is reusable
  • TRUSTED BY HOMEOWNERS AND BUSINESSES FOR OVER 15 YEARS: Flood Buzz is manufactured by Archetype LTD, a New Jersey based small business. We take pride in the fact that Flood Buzz has been used by tens of thousands of home and business owners, saving tens of millions in water leak damage.
  • FEATURED IN PLUMBER MAGAZINE: Featured several times in Plumber Magazine as a top water leak detector solution

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Last update on 2024-04-28 / Affiliate links / Images from Amazon Product Advertising API