Top 10 Leak Detector

Discover our curated selection of high-quality products.

Last update: 06-05-2025

BLACK DECKER Digital Thermal Leak Detector TLD100

Uses infrared sensors to measure surface temperatures. It performs within the ranges as specified for home repair use and should not be used to check the temperature of living beings
Helps homeowners track down power-draining drafts
Sold with a 5-step guide to fixing basic energy leaks and comes with the thermal leak detector
Plugging leaks can save up to 20 percent on heating and cooling costs. Plastic housing with ergonomically formed grip for ease of use
Allows you to make your home more comfortable and energy efficient

9.5/10

Aqara Water Leak Sensor, REQUIRES AQARA HUB, Wireless Water Leak Detector, Wireless Mini Flood Detector for Alarm System and Smart Home Automation, Water Sensor Alarm for Kitchen Bathroom Basement

NOTES: Aqara Hub is required and sold separately. Requires a secured 2. 4 gigahertz WiFi network connection. One Aqara Hub can connect up to 32 Aqara devices.
FLOOD DETECTION: Whenever the Aqara Water Leak Sensor detects water, it can send an alert to your phone and activate the local alarm on the Aqara Hub to prevent leaks and flooding.
HOME AUTOMATION: Controls and triggers Aqara connected devices when excess water is detected.
WIRELESS & SENSITIVE: No wiring or screws are required. The ultra mini design allows you to put it anywhere that dripping and leaking could happen. Our water leak sensor is designed with sensitive leak probes which the threshold of the water level is 0.5mm.
INDUSTRY-LEADING QUALITY: Durable IP67 water-proof housing with rust-proof exterior coating.

9.4/10

Yale AC-WS Sync Water Leak Sensor - Sync Alarm Accessory - 200m

SYNC ALARM ACCESSORY: This Water Leak Sensor is easy to pair with your Yale Sync Smart Home Alarm through the Yale Alarm App.
SYNC WATER LEAK SENSOR: Will trigger your alarm and enable the Sync Smart Home Alarm to notify you immediately.
DISCRETE MOUNTING: Supports multiple mounting options, so you can mount on a wall or in another discrete location.
EASY TO SET UP & INSTALL: Link to your Yale Sync Smart Home Alarm straight out of the box. Completely wire-free, with no need for cables running through your home. You can attach to any surface, either via a screw or sticky-back for greater convenience.
EXPANDABLE SYSTEM: Extend & customise your Yale Sync Alarm, by adding up to 40 accessories.

9.3/10

X-Sense Wi-Fi Water Leak Detector, Smart Water Sensor Alarm, Water Detector Alarm with 1700 ft Transmission Range for Kitchens, Basements, Bathrooms, 3 Water Detectors & 1 Base Station, SWS54

Real-Time Notifications: When a water leak is detected, a push alert will be sent to your phone, so you’ll be alerted quickly even while you are not at home; you can share the device with your family members so they can also check the device status anytime, anywhere
High Sensitivity: This water leak detector is equipped with 2 top sensor probes and 4 bottom sensor probes to detect water leaks and floods; detects a minimum water level of 0.015 in (0.4 mm), providing an early warning of water damage with the LED flashing red
Know from Anywhere: Once triggered, the water leak sensor and base station will sound simultaneously at a volume of up to 110 dB – loud enough for everybody to hear; simply mute the alarm via the app or push the silence button on the base station or water leak sensor
Unwired and Sleek Design: No wiring or setup required. Only measuring 29 mm in diameter, this water sensor alarm is small and compact enough to fit anywhere and nicely blends into any home decoration; has a 5-year lifespan with 3-year replaceable batteries (included)
IP66 Waterproof: An IP66 waterproof rating allows for extended use in humid areas such as near common household water sources like a dishwasher, hot water heater, or washing machine; its durable structure and rust-proof exterior coating permit long-term use
Customize Your Needs: Real-time app alerts, device test function, low battery warning, and sharing function enabled; the "Remind Me Later" feature allows you to temporarily silence the system and the timer setting has options for 10 minutes/30 minutes/2 hours/6 hours/12 hours

9.2/10

X-Sense Standalone Water Leak Sensor Alarm Water Leak Detector, Mini Flood Sensor with 110 dB Audio Alarm Battery-Powered, for Kitchens, Basements, Sinks, Tanks, Pools, WS01

⚠Attention: 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 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
5-year Long Lifespan: 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)
P66 Waterproof: An IP66 waterproof rating allows for extended use in humid areas; durable structure and rust-proof exterior coating for long-term use

9.1/10

SEBSON 2x Water Alarm Mini GS153, 10 year long term battery, water leak detector 60x60x24.2mm, water sensor with lithium battery

Water detector GS153 with permanently installed 10 year lithium long-term battery.
For early detection of water damage. If the water sensor comes into contact with water, an 85dB loud warning signal sounds.
This water detector is suitable for the floor in the cellar, kitchen, bathroom, garage, boiler rooms and many more.
When the battery is almost exhausted, a warning signal sounds to alert you.
This small mini water alarm has the dimensions 60 x 60 x 24.2mm.

9.0/10

Topvico Water Leak Sensor Detector Flood Alarm for Basement 120dB Work Alone Battery Operated 3 Packs

120dB loud alarm voice, keep alarm to notice you or neighbors until the water dry or sensor turn off (easy to hear the alarm coming from the basement), low cost and effective water leak alarm to prevent water damage at your home and business
High sensitive 24k plating detect board, repeated use after dry the board (if you no need high sensitivity, please try "B0BYHS79W5" with similar cost)
Upgrade to our double-sided paster / sticker for easy installation anywhere. One part is for the host and the other part is for the water detection board. There are two fixing styles optional for the detect board, as shown in the description photo. Choose between two fixing styles based on your needs
37.8 inches cable, easy extend more than 150 ft. of wire by user (normal electric wire available, not include), detect water anywhere corner (good for detecting when the sump pump has reached a high water level), suit for basement, heater leak, underground, washing machine, kitchen, sump pump overflow, etc
Supply by 9V battery (not include, suggest use brand Alkaline battery), battery life will be about 12 months for normal use (low quality battery about 6 months, very high frequency alarm or testing, battery life will be shorter)

8.9/10

SwitchBot WiFi Water Leak Detector, No Hub Required (Support 2.4G), Smart Water Detector 100dB Adjustable Alerts & App Alerts, IP67 Waterproof, Wireless Detector for Kitchen, Bathroom, Basement

Real-time Notifications (No Hub Needed): After connecting to Wi-Fi, you will be able to receive real-time email and app notifications remotely when dripping, leaking, or flooding is detected, without the need to purchase an additional hub. Share devices with family, and they can also check home status at any time. (2.4Ghz Wi-fi & BLE)
High Sensitivity Drip Alarms: This device is equipped with four sensor probes at the top and bottom, which can detect a low water level of just 0.5mm. If water pipes drip, and your floor is submerged, or gets wet, it will sound an alarm. Water Leak Detector is compact and convenient in size, suitable for placement in laundry rooms, water heaters, dishwashers, sinks, and other places.
Includes Loud Alarm Sounds: To help you stay alert, we've included 100dB high pitched alarms, which means even if there is a leak in basements or places a little further away, you'll know in a timely manner. Once discovered, you can manually set it back to mute without worrying about noise issues.
IP67 Waterproof, Up to 24 Months Battery Life: Water Leak Detector is designed with a fully sealed waterproof shell and can easily handle high humidity working environments. It comes with 2 x AAA batteries and has a battery lifespan of up to 24 months. When battery is low, our app will also send notifications to remind you to replace them in a timely manner
Part of SwitchBot Ecosystem, Voice Command Compatible: Use with SwitchBot Plug Mini or Indoor Cam, and remotely turn off electrical equipment or check the condition of your house in case of leakage. It can also support third-party services such as Alexa/Google/Siri/IFTTT/SmartThings.

8.8/10

Gas Leak Detector Natural Gas Detector with Audible & Visual Alarm, Portable Gas Sniffer to Locate Combustible Gas Leak Sources Like Methane, Propane for Home-Grey

【Quick and Accurate Gas Leak Detector】The natural gas detector is widely suitable for LPG, methane, ethane, propane, butane, natural gas, coal gas, gas fuel, liquefied natural gas, etc., and it will exactly pinpoint a leak, reducing the risk of gas explosion and keeping your family and property safe. It potentially reduce energy bills
【Visual & Audible Gas Alarm】The gas detector employs both visual alarm and audible alarm as fast as 0.5 seconds of detection. When the bar graph increases and the detector beeps, you know gas has been detected. The alarm increases with the amount of gas, and the LCD screen will turn red when the gas concentration is high.The system warm-up time is about 30 seconds
【Adjustable Sensitivity】This natrual gas leak detester supports High Low Sensitivity Mode: 50-500ppm, Low Sensitivity Mode: 500-3000ppm. Increase sensitivity dial to find small gas leaks. Decrease sensitivity to find larger explosive gas leaks while filtering out false alarms from background gas levels, which is much more convenient to use
【Batteries Included & Easy to Use】This gas sniffer comes with 2x AAA Batteries, so you will be able to set the detector up and have it ready as soon as you receive it. The low battery indicator will engage when battery voltage is below 2.4V. Automatic power off after 5 minutes without operation or gas detection.Detection range: 50 to 3000 ppm* (*based on Methane)
【Compact Design】 Pocket-sized with a pocket clip that allows you to carry it in your shirt pocket. It is an excellent tool for RV-ers, DIY-ers, homeowners with gas appliances, etc. It's very convenient and perfect for regular safety checks

8.7/10

Bosch Smart Home Water Alarm with app function (emergency call speed dial in the app, slip-proof, slim and compact)

The Bosch Smart Home Water Alarm alerts you right away if water is leaking by emitting a loud beeping noise
Notifies immediately via push notification in a serious case, or also of unintended movements by pets or when cleaning
Quick action thanks to the emergency call direct dial in the app
The slip-proof silicone coating on the underside and the compact design allow it to be placed perfectly in corners/under the washing machine
Maximum added value in the system: you need a Bosch Smart Home controller or Bosch Smart Home controller II to integrate the device into your Bosch Smart Home system
Box contents: 1 x water alarm including 2x AAA batteries, 3x quick start guides

8.5/10

Water Leak Detector -Ourjob Water Alarm Surveillance Systems Water Detectors for Home Security, Kitchen，Bathroom, Basement (3PCS)

Smartwares Mini Water Alarm - Extra Thin - 3 Year Battery - FWA-18210

Honeywell W1KS W1 Wi-Fi Water Leak And Freeze Detector - White

Arctic Hayes PH020 1 x Gas Leak Detector Spray 400 ml, Blue

PT-830S Rechargeable Gas Leak Detector with 36.8cm Flexible Probe, Range 0-10000 ppm, TFT Color Display & 3 Types Alarm, Natural Gas Leak Detector for Propane, Methane for Home or Industrial

eufy Security Water and Freeze Sensor with Remote Alerts, IP65 Waterproof, 2-Year Battery Life, HomeBase Required, Compatible with HomeBase S380 and S280, App Control

GuDoQi Water Leak Detector, Water Alarm Sensor, 130dB Super Loud Alarm, Battery Operated, 100cm Detection Cable, Leak Monitor for Kitchen, Cellar, Garage, Washer, Baseroom

Eve Water Guard (Apple Home) - Smart Home Water Leak Detector, 2 m sensing cable (extendable), 100 dB siren, water-leak alert,, Bluetooth, Thread

Water Leak Detector WiFi, Low Water Level Alarm, 100dB Loud Water Alarm, Water Sensor with Remote Tuya/Smart Life App Monitoring, Wireless Water Detector for Kitchen, Bathroom, Basement

X-Sense Wi-Fi Water Sensor with SBS50 Base Station, Smart Water Leak Detector, App Alerts, IP67 Waterproof, Wireless Detector for Kitchen, Bathroom, Basement, SWS0A41

Top 10 Leak Detector

BLACK DECKER Digital Thermal Leak Detector TLD100

Aqara Water Leak Sensor, REQUIRES AQARA HUB, Wireless Water Leak Detector, Wireless Mini Flood Detector for Alarm System and Smart Home Automation, Water Sensor Alarm for Kitchen Bathroom Basement

Yale AC-WS Sync Water Leak Sensor - Sync Alarm Accessory - 200m

X-Sense Wi-Fi Water Leak Detector, Smart Water Sensor Alarm, Water Detector Alarm with 1700 ft Transmission Range for Kitchens, Basements, Bathrooms, 3 Water Detectors & 1 Base Station, SWS54

X-Sense Standalone Water Leak Sensor Alarm Water Leak Detector, Mini Flood Sensor with 110 dB Audio Alarm Battery-Powered, for Kitchens, Basements, Sinks, Tanks, Pools, WS01

SEBSON 2x Water Alarm Mini GS153, 10 year long term battery, water leak detector 60x60x24.2mm, water sensor with lithium battery

Topvico Water Leak Sensor Detector Flood Alarm for Basement 120dB Work Alone Battery Operated 3 Packs

SwitchBot WiFi Water Leak Detector, No Hub Required (Support 2.4G), Smart Water Detector 100dB Adjustable Alerts & App Alerts, IP67 Waterproof, Wireless Detector for Kitchen, Bathroom, Basement

Gas Leak Detector Natural Gas Detector with Audible & Visual Alarm, Portable Gas Sniffer to Locate Combustible Gas Leak Sources Like Methane, Propane for Home-Grey

Bosch Smart Home Water Alarm with app function (emergency call speed dial in the app, slip-proof, slim and compact)

People Also Viewed

Water Leak Detector -Ourjob Water Alarm Surveillance Systems Water Detectors for Home Security, Kitchen，Bathroom, Basement (3PCS)

Smartwares Mini Water Alarm - Extra Thin - 3 Year Battery - FWA-18210

Honeywell W1KS W1 Wi-Fi Water Leak And Freeze Detector - White

Arctic Hayes PH020 1 x Gas Leak Detector Spray 400 ml, Blue

PT-830S Rechargeable Gas Leak Detector with 36.8cm Flexible Probe, Range 0-10000 ppm, TFT Color Display & 3 Types Alarm, Natural Gas Leak Detector for Propane, Methane for Home or Industrial

eufy Security Water and Freeze Sensor with Remote Alerts, IP65 Waterproof, 2-Year Battery Life, HomeBase Required, Compatible with HomeBase S380 and S280, App Control

GuDoQi Water Leak Detector, Water Alarm Sensor, 130dB Super Loud Alarm, Battery Operated, 100cm Detection Cable, Leak Monitor for Kitchen, Cellar, Garage, Washer, Baseroom

Eve Water Guard (Apple Home) - Smart Home Water Leak Detector, 2 m sensing cable (extendable), 100 dB siren, water-leak alert,, Bluetooth, Thread

Water Leak Detector WiFi, Low Water Level Alarm, 100dB Loud Water Alarm, Water Sensor with Remote Tuya/Smart Life App Monitoring, Wireless Water Detector for Kitchen, Bathroom, Basement

X-Sense Wi-Fi Water Sensor with SBS50 Base Station, Smart Water Leak Detector, App Alerts, IP67 Waterproof, Wireless Detector for Kitchen, Bathroom, Basement, SWS0A41

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