5 Best Water Leak Detectors (2026), Tested and Reviewed

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Other Leak Detectors We Like

White oval shaped instrumentality sitting connected woody surface. Product is branded with the sanction Tapo.

TP-Link Tapo T300 Water Leak Detector for $20: What I similar astir astir these h2o leak detectors is that they person 4 metallic probes underneath and 2 above, truthful they swiftly observe h2o dripping connected apical oregon pooling beneath. Alerts came done reliably to my telephone arsenic propulsion notifications wrong 1 to 2 seconds. The alarm is reasonably large (90 decibels), though you tin trim the measurement successful the app oregon adjacent mute it. The TP-Link Tapo T300 requires a Tapo Smart Hub to function. Each hub tin nexus up to 64 Tapo question sensors, doorway oregon model sensors, switches, and different devices. The hub is simply a elemental rectangular instrumentality that plugs straight into an outlet and connects to your Wi-Fi network. It doesn’t dependable an alarm by default, but you tin reflector the sensor’s alerts successful the Tapo app. Another diagnostic I similar is the enactment to propulsion the fastener connected apical of the sensor to person the hub corroborate that it is wrong range. Each T300 sensor requires 2 AAA batteries (included) that TP-Link says tin past for up to 3 years. There is simply a artillery icon successful the app to amusement the remaining powerfulness and pass erstwhile it is moving low. As good arsenic having the h2o leak alarm trigger your hub to sound, you tin person it crook disconnected devices successful the vicinity if they are connected to Tapo astute plugs (I tested this, and it worked arsenic expected). The T300 is simply a spot bulky, truthful it mightiness not acceptable everyplace you’d similar to spot a sensor, and it continued to amusement arsenic functioning usually successful the app for respective hours aft I removed its batteries.

Eve Water Guard for $110: With HomeKit support, this is simply a bully prime for iPhone owners with a location hub (an Apple TV oregon HomePod). HomeKit is besides perfect if you person privateness concerns due to the fact that you tin beryllium definite nary information volition beryllium shared with 3rd parties. There is an Eve app, but you tin besides presumption the Water Guard and acceptable notifications straight done the Apple Home app. It plugs straight into an outlet and has a 6.5-foot cablegram that senses immoderate h2o and instantly alerts you connected your iPhone, iPad, and Apple Watch, wherever you are, provided you person a moving location hub. It besides flashes reddish and has a 100-decibel siren. You tin reappraisal alarm history, trial oregon mute alarms, and update instrumentality firmware successful the Eve app. The Eve Water Guard lone detects water, but the sensing cablegram works well, triggering speedy alerts and covering a ample area. It needs a powerfulness outlet, which besides limits your placement options, but you ne'er request to interest astir artillery life. The evident drawbacks are the implicit deficiency of enactment for Android, the information that you request a location hub for distant alerts and management, and the comparatively precocious price. You tin besides adhd 6.5-foot sensing cablegram extensions ($20 each) up to a full magnitude of 500 feet.

Govee Wi-Fi Water Sensor (3-Pack) for $55: Quick and casual to install, Govee's sensors nonstop alerts arsenic propulsion notifications and emails. They besides boast 1 of the loudest sirens I tested (100 decibels). Mercifully, you tin unopen disconnected the ear-splitting dependable from the app. The sensors are rather small, and they connection drip detection connected apical and metallic feet for leak detection underneath, but there’s nary enactment to adhd a disc oregon cable. The Govee Wi-Fi Water Sensors lone observe water, but they are effective. I recovered alerts triggered wrong a fewer seconds. The app is basal but works good and displays alert history. Unfortunately, these sensors necessitate a Govee Wi-Fi hub (included successful the box), which takes up a powerfulness outlet (and whitethorn artifact an adjacent outlet), and each sensor takes 2 AA batteries (also provided). One interest with these sensors is that I failed to person alerts erstwhile my telephone was connected to mobile information alternatively than Wi-Fi, though the email did travel through. There’s besides nary astute location integration. You tin adhd further idiosyncratic sensors astatine $13 each oregon bargain 5 for $50.

Three antithetic h2o leak detecting devices successful a assortment of shapes 1 with a agelong cord

First Alert L1 Wi-Fi Water Leak and Freeze Detector for $75: This ample flood sensor, branded First Alert, works with First Alert oregon Resideo apps and accessories. It sends propulsion notifications and emails to alert you to immoderate leak and sports a 100-decibel alarm that you tin halt with the broadside button. The sensor was comparatively dilatory to alert successful each my tests, and the propulsion notifications lone came done erstwhile my telephone was connected to Wi-Fi. The 5-foot water-sensing cablegram allows you to screen a overmuch larger area, and I recovered it alerted faster. The detector connects straight to Wi-Fi, truthful you request a decent signal. This sensor tin besides way somesthesia and humidity, but not precise accurately (it consistently overestimates somesthesia and underestimates humidity). The 2 AA batteries provided are expected to past up to 2 years.

Eufy Security Water and Freeze Sensor for $35: If you person Eufy's information system, this could beryllium the champion h2o leak detector for you, but it requires a HomeBase 2 oregon HomeBase 3 ($150) to link to. It proved speedy and reliable to alert, offers long-range connectivity (up to 200 meters), and tin pass you if the somesthesia drops beneath freezing. You person alerts connected your telephone via the Eufy Security app, and you tin configure the connected HomeBase to dependable an alarm, but the detector doesn’t marque immoderate sound. You tin way artillery beingness successful the app. A afloat artillery lasts up to 2 years. Sadly, it doesn’t amusement the temperature; it simply alerts beneath freezing.

Ikea Badring for $9: Super affordable, with a elemental design, this Zigbee detector alerted reliably during testing. The Ikea Badring is simply a bully prime if you already person an Ikea Dirigea hub ($109) to link to for notifications connected your phone. But it works retired rather pricey if you don't, and it's not compatible with different hubs, specified arsenic the Ikea Tradfri. It does person an alert dependable that goes arsenic precocious arsenic 90 decibels, but lone astatine proximity; it doesn’t transportation far, and I wouldn’t trust connected it alone. You indispensable proviso your ain AAA battery, and this leak detector is lone IP44 rated, truthful there’s a hazard of malfunction if it gets immersed.

SwitchBot Water Leak Detector for $18: This rectangular detector triggered swift alerts successful each my tests with a 100-decibel alarm. With prongs connected apical and underneath, this instrumentality was speedy to observe water. It connects straight to Wi-Fi, truthful you don’t request a hub, and it tin nonstop propulsion notifications and emails, though you indispensable acceptable them up successful the app. Unfortunately, the propulsion notifications did not travel done erstwhile I was retired of the house, connected to a cellular web alternatively of Wi-Fi. Smart location connectivity is bully (Amazon Alexa, Google Assistant, and IFTTT), and you tin acceptable up automation successful the SwitchBot app, which makes this a versatile option, peculiarly if you person different SwitchBot devices. SwitchBot says the 2 AAA batteries provided are bully for up to 2 years.

AiDot Winees Water Leak Detector S1 Plus (3 Pack) for $60: Connect the plug-in hub to your 2.4-GHz Wi-Fi, spot the 3 circular detectors successful apt leak spots, and you are set. You tin brace up to 10 with the hub and configure it to nonstop emails and SMS messages connected apical of app notifications erstwhile there’s a leak. The probes connected the underside of each detector are rather acold apart, and it takes 2 millimeters of h2o earlier the alarm is triggered. It failed to spell disconnected with a dependable drip connected top, but the alarm sounded arsenic soon arsenic h2o pooled underneath. The alarm goes up to 100 decibels, but I similar that you tin tweak the measurement and duration for alarms. You tin cancel alarms done the app oregon by pressing the buttons connected the hub. These detectors instrumentality CR2 batteries that are bully for up to a year, and there’s an denotation successful the app erstwhile they die. When I removed a artillery from 1 of them, it took the app a fewer hours to update and amusement it arsenic offline. One past downside is that the hub is circular, truthful it whitethorn artifact adjacent outlets. Support for IFTTT is simply a perchance useful other that could trigger a h2o shut-off oregon a airy to flash reddish erstwhile a leak is detected.

Aqara Water Leak Sensor for $19: This Zigbee sensor is champion utilized with Apple’s HomeKit, and you request an Aqara hub (sold separately). The institution makes a bully information camera that doubles arsenic a hub and offers a afloat scope of astute location sensors. These tiny circular h2o leak sensors are precise debased to the ground, truthful conscionable 0.5 mm of h2o underneath is capable to trigger an alarm. Dripping connected apical won’t acceptable them off, but an iPhone notification is triggered arsenic soon arsenic h2o pools beneath wherever the probes are. You tin besides person your connected hub play an alarm and trigger automations done HomeKit. The sensors instrumentality CR2 batteries and tin past up to 2 years.

Stitch by Monoprice Water Leak Sensor for $22: This affordable h2o leak detector has a plan that’s akin to our apical pick. The main assemblage is round, with metallic feet to observe h2o pooling, and it slots into a bracket for partition mounting. It comes with a coin-sized plug-in hold that stretches up to 3.8 feet. Both the main detector and hold were speedy to dependable the alarm and nonstop notifications to my telephone erstwhile bedewed (though the on-device alarm is not precise loud). It takes a azygous CR2 battery, displays the remaining powerfulness successful the app, and alerts you erstwhile it’s clip to alteration batteries. Unfortunately, the app is basal and poorly translated. You person to adust the detector to halt the alarm, and it took excessively agelong to pass maine erstwhile it went offline (weirdly, the offline detector is toggled disconnected by default successful the app settings, truthful I had to power it on). You tin get this a spot cheaper by buying straight from Monoprice.