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Safety Equipment and GearAir ToolsAlarm SystemsAll Home SecurityAll Tool SetsBathroom HardwareBathroom PlumbingBLACK+DECKERDimmers, Switches, and Wall PlatesDoorsElectrical ToolsEmergency SuppliesFire SafetyFlashlightsFurniture HardwareGarage Door Openers and HardwareGuttering & DrainageHand ToolsHome SafetyHVAC Ducting and VentilationKiddeKitchen PlumbingLight BulbsMechanics ToolsPaint Supplies & ToolsPersonal PreparednessPower Tool AccessoriesSafety DetectorsSealants, Fillers and AdhesivesSolderingStorm & Flood PrepSurveillanceThermostatsToilets and BidetsTool Equipment & StorageValves & Valve RepairWater FiltersWater Filtration & Water SoftenersWater HeatersWater Heaters, Pumps & Tanks
It Water Sensor(266)
Uses item details. Price when purchased online
YoLink Smart Home Starter Kit: Hub & Water Leak Sensor 4 with 105dB Audio Alarm 4-Pack, SMS/Text, Email & Push Notifications, Freeze Warning, LoRa Up to 1/4 Mile Open-Air Range, w/Alexa, IFTTT From $43.99

Sponsored
From$4399
YoLink Smart Home Starter Kit: Hub & Water Leak Sensor 4 with 105dB Audio Alarm 4-Pack, SMS/Text, Email & Push Notifications, Freeze Warning, LoRa Up to 1/4 Mile Open-Air Range, w/Alexa, IFTTT
314.8 out of 5 Stars. 31 reviews
RAINPOINT Floating Remote WiFi Water Leak Detector for Home Basement 3 Pack with Hub,Wireless Siren Alarm Leakage Sensor Email & APP Push Notification Kitchen Sink,Bathroom,Laundry,Warehouse $21.67

Sponsored
$2167
current price $21.67RAINPOINT Floating Remote WiFi Water Leak Detector for Home Basement 3 Pack with Hub,Wireless Siren Alarm Leakage Sensor Email & APP Push Notification Kitchen Sink,Bathroom,Laundry,Warehouse
15 out of 5 Stars. 1 reviews
Rollback Geeni Smart WiFi Water Leak Detector & Sensor, 80dB Alarm for Basement, Kitchen, Bathroom, White $14.99 Was $18.99

Sponsored
Now$1499
current price Now $14.99, Was $18.99$18.99
Geeni Smart WiFi Water Leak Detector & Sensor, 80dB Alarm for Basement, Kitchen, Bathroom, White
74.3 out of 5 Stars. 7 reviews
Saniflo 050 Sanialarm $72.99 Was $85.00

Sponsored
Now$7299
current price Now $72.99, Was $85.00$85.00
Saniflo 050 Sanialarm
12 out of 5 Stars. 1 reviews
MOBI Smart Home 2.4GHz WiFi Water Leak Sensor, Water Sensor, Water Detector Alarm; Water Leak & Flood Detector, Smart Notification App, Expand with Cameras & Smart Home Devices. Battery INCLUDED From $13.46

3 options
Available in additional 3 optionsFrom$1346
MOBI Smart Home 2.4GHz WiFi Water Leak Sensor, Water Sensor, Water Detector Alarm; Water Leak & Flood Detector, Smart Notification App, Expand with Cameras & Smart Home Devices. Battery INCLUDED
194.6 out of 5 Stars. 19 reviews
Kidde Battery Operated Smart Water Leak Detector & Freeze Alarm with Wi-Fi $17.50 Was $21.08

Now$1750
current price Now $17.50, Was $21.08$21.08
Kidde Battery Operated Smart Water Leak Detector & Freeze Alarm with Wi-Fi
924 out of 5 Stars. 92 reviews
RAINPOINT Floating Remote WiFi Water Leak Detector for Home Basement 3 Pack with Hub,Wireless Siren Alarm Leakage Sensor Email & APP Push Notification Kitchen Sink,Bathroom,Laundry,Warehouse $21.67

$2167
current price $21.67RAINPOINT Floating Remote WiFi Water Leak Detector for Home Basement 3 Pack with Hub,Wireless Siren Alarm Leakage Sensor Email & APP Push Notification Kitchen Sink,Bathroom,Laundry,Warehouse
15 out of 5 Stars. 1 reviews
WiFi Water Leak Detector Sensor for Home, Remote Checking Smart Alarm and Drip Alert, Email APP Push Suitable Kitchen, Bathroom, Basement $49.28

$4928
current price $49.28WiFi Water Leak Detector Sensor for Home, Remote Checking Smart Alarm and Drip Alert, Email APP Push Suitable Kitchen, Bathroom, Basement
WiFi Water Ieak Detector for Home 3 Pack, Smart Water Leak Sensor with 80dB Alarm and App Alerts, Water Sensor Alarm $22.00

$2200
current price $22.00WiFi Water Ieak Detector for Home 3 Pack, Smart Water Leak Sensor with 80dB Alarm and App Alerts, Water Sensor Alarm
Leak Alarm Water Leak Detector for Home, Basement, Kitchen and Bathroom Wireless Battery-Powered Water Sensor Alarm for Early Flood Detection $12.96 $41.81/lb

$1296
current price $12.96$41.81/lb
Leak Alarm Water Leak Detector for Home, Basement, Kitchen and Bathroom Wireless Battery-Powered Water Sensor Alarm for Early Flood Detection
FOUR E's Scientific Sump Alarm, High Water Alarm for Sump Pump & Septic Water, Weatherproof 110dB Audible Alarm with Float Switch for Indoor Use $37.98

Sponsored
$3798
current price $37.98FOUR E's Scientific Sump Alarm, High Water Alarm for Sump Pump & Septic Water, Weatherproof 110dB Audible Alarm with Float Switch for Indoor Use
Zuomeng High Water Alarm for Sump Pump, Flashing Light & 110 dB Alarm, IP67 Casing, Connects to Submersible Pump $69.99

Sponsored
$6999
current price $69.99Zuomeng High Water Alarm for Sump Pump, Flashing Light & 110 dB Alarm, IP67 Casing, Connects to Submersible Pump
Black & Decker Smart Wi-Fi Water Sensor - 3 pack $42.99 Was $59.99

Now$4299
current price Now $42.99, Was $59.99$59.99
Black & Decker Smart Wi-Fi Water Sensor - 3 pack
YoLink Water Leak Detector 4 with 105dB Audio Alarm, Freeze Warning, App Push, Email Alerts and Limited Text - Smart Water Sensor Alarm w/ Alexa, IFTTT - 1/4 Mile Long Range, Hub Required $23.99

$2399
current price $23.99YoLink Water Leak Detector 4 with 105dB Audio Alarm, Freeze Warning, App Push, Email Alerts and Limited Text - Smart Water Sensor Alarm w/ Alexa, IFTTT - 1/4 Mile Long Range, Hub Required
15 out of 5 Stars. 1 reviews
Topvico Water Leak Detectors for Home, Basements, Sump Pump, Under Sink, Moisture Alarm Sensor, 120dB Battery Operated Flood Alert, 3-Pack (95 Inch Cable) $15.89

$1589
current price $15.89Topvico Water Leak Detectors for Home, Basements, Sump Pump, Under Sink, Moisture Alarm Sensor, 120dB Battery Operated Flood Alert, 3-Pack (95 Inch Cable)
25 out of 5 Stars. 2 reviews
Black & Decker Smart Wi-Fi Water Sensor $25.99

$2599
current price $25.99Black & Decker Smart Wi-Fi Water Sensor
Clearance Smart WiFi Water Leak Detector - Wireless Sensor with App Alerts, Remote Monitoring for Home & Basement | Prevent Water Damage From $12.76

2 options
Available in additional 2 optionsFrom$1276
Smart WiFi Water Leak Detector - Wireless Sensor with App Alerts, Remote Monitoring for Home & Basement | Prevent Water Damage
Rollback Geeni Smart WiFi Water Leak Detector & Sensor, 80dB Alarm for Basement, Kitchen, Bathroom, White $14.99 Was $18.99

Now$1499
current price Now $14.99, Was $18.99$18.99
Geeni Smart WiFi Water Leak Detector & Sensor, 80dB Alarm for Basement, Kitchen, Bathroom, White
74.3 out of 5 Stars. 7 reviews
Aqara Water Leak Sensor, Zigbee Smart Water Detector with Instant Alarm, Compatible with Apple HomeKit, Aqara, and Xiaomi Mi Home for Smart Home Flood Protection From $25.90
From$2590
Aqara Water Leak Sensor, Zigbee Smart Water Detector with Instant Alarm, Compatible with Apple HomeKit, Aqara, and Xiaomi Mi Home for Smart Home Flood Protection
14 out of 5 Stars. 1 reviews
Orbit B-Hyve Smart Flood, Leak Detector and Water Sensors, 3 Pack $34.39

$3439
current price $34.39Orbit B-Hyve Smart Flood, Leak Detector and Water Sensors, 3 Pack
133.9 out of 5 Stars. 13 reviews
Smart Water Leak Detector, GreenVation WiFi Water Sensor with APP Push and Sound Alarm, 5-Year Battery Life, Suit for Home, Basement, Kitchen, 3 Pack $49.99

Sponsored
$4999
current price $49.99Smart Water Leak Detector, GreenVation WiFi Water Sensor with APP Push and Sound Alarm, 5-Year Battery Life, Suit for Home, Basement, Kitchen, 3 Pack
Topvico Water Leak Detectors for Home, Basements, Sump Pump, Under Sink, Moisture Alarm Sensor, 120dB Battery Operated Flood Alert, 3-Pack (95 Inch Cable) $15.89

Sponsored
$1589
current price $15.89Topvico Water Leak Detectors for Home, Basements, Sump Pump, Under Sink, Moisture Alarm Sensor, 120dB Battery Operated Flood Alert, 3-Pack (95 Inch Cable)
25 out of 5 Stars. 2 reviews
Swann Swann Water Leak Alarm Sensor, Home Water Detector, Wireless Wi-Fi Connection, No Hub Required, Smartphone Alerts, Early Flood Detection From $14.95

7 options
Available in additional 7 optionsFrom$1495
Swann Swann Water Leak Alarm Sensor, Home Water Detector, Wireless Wi-Fi Connection, No Hub Required, Smartphone Alerts, Early Flood Detection
1184 out of 5 Stars. 118 reviews
Water Leak Sensor 4 with 105dB Audio Alarm 3-Pack, SMS/Text, Email & Push Notifications, Freeze Warning, LoRa Up to 1/4 Mile Open-Air Range, w/Alexa, IFTTT, Hub Required! $54.99

$5499
current price $54.99Water Leak Sensor 4 with 105dB Audio Alarm 3-Pack, SMS/Text, Email & Push Notifications, Freeze Warning, LoRa Up to 1/4 Mile Open-Air Range, w/Alexa, IFTTT, Hub Required!
11 out of 5 Stars. 1 reviews
Smart Water Level Alarm WIFI Water Immersion Sensor with Water Leakage Sound Alarm Sensor Detection,connected To Smart Voice Assistant,APP Remote Monitoring Holiday Saving Gifts $7.79

$779
current price $7.79Smart Water Level Alarm WIFI Water Immersion Sensor with Water Leakage Sound Alarm Sensor Detection,connected To Smart Voice Assistant,APP Remote Monitoring Holiday Saving Gifts
Tuya WIFI Water Sensor Alarm Water Leak Detector Flood Alert Overflow Security Alarm System Works $12.05

$1205
current price $12.05Tuya WIFI Water Sensor Alarm Water Leak Detector Flood Alert Overflow Security Alarm System Works
Deago 3-Pack 120dB Water Leak Leakage Detection Detector Sound Alarm Sensor for Kitchen Bathroom Basement From $8.89

2 options
Available in additional 2 optionsFrom$889
Deago 3-Pack 120dB Water Leak Leakage Detection Detector Sound Alarm Sensor for Kitchen Bathroom Basement
52.8 out of 5 Stars. 5 reviews
Topvico Water Alarms for Basements, Heater Leak Detector, Sump Pump Overflow Moisture Flood Sensor, 120dB Work Alone Battery Operated 3 packs From $8.89

5 options
Available in additional 5 optionsFrom$889
Topvico Water Alarms for Basements, Heater Leak Detector, Sump Pump Overflow Moisture Flood Sensor, 120dB Work Alone Battery Operated 3 packs
414.6 out of 5 Stars. 41 reviews
XHWshop Water Leak Sensor, Water Detector,Smart Home Alarm,Wireless water leak detection From $14.55

3 options
Available in additional 3 optionsFrom$1455
XHWshop Water Leak Sensor, Water Detector,Smart Home Alarm,Wireless water leak detection
YoLink Water Leak Detector 4 with 105dB Audio Alarm, App Push, Email Alerts and Limited Text, MoveAlert Function, Freeze Warning Water Sensor Alarm w/ Alexa, IFTTT - 1/4 Mile Long Range, Hub Required $31.99

$3199
current price $31.99YoLink Water Leak Detector 4 with 105dB Audio Alarm, App Push, Email Alerts and Limited Text, MoveAlert Function, Freeze Warning Water Sensor Alarm w/ Alexa, IFTTT - 1/4 Mile Long Range, Hub Required
VEVOR Sump Pump Alarm, Indoor/Outdoor High Water Septic Tank Alarm With HI/LO Dual Sensors, 85dB Loud Alarm and 16.4ft Extended Sensor Cable, For Sewage Pits, Submersible, Utility $34.99

Sponsored
$3499
current price $34.99VEVOR Sump Pump Alarm, Indoor/Outdoor High Water Septic Tank Alarm With HI/LO Dual Sensors, 85dB Loud Alarm and 16.4ft Extended Sensor Cable, For Sewage Pits, Submersible, Utility
Sump Pump Alarm, Briidea Indoor/Outdoor High Water Septic Tank Alarm with 110dB Loud Alarm and Large LED Indicator, 10ft Level Float Switch, Ideal for Septic Sump Pump Pond Water Tank $69.99 Was $79.99

Sponsored
Now$6999
current price Now $69.99, Was $79.99$79.99
Sump Pump Alarm, Briidea Indoor/Outdoor High Water Septic Tank Alarm with 110dB Loud Alarm and Large LED Indicator, 10ft Level Float Switch, Ideal for Septic Sump Pump Pond Water Tank
24 out of 5 Stars. 2 reviews
Smart Water Leak Sensor Alarm - Battery Powered Home Leakage Detector Alert System, Wireless Moisture Sensor for Kitchen, Bathroom, Basement $12.56

$1256
current price $12.56Smart Water Leak Sensor Alarm - Battery Powered Home Leakage Detector Alert System, Wireless Moisture Sensor for Kitchen, Bathroom, Basement
Smart Water Leak Detector for Home Security, High-Sensitivity 9V Battery Flood Sensor and Overflow Alarm for Kitchen $10.68

$1068
current price $10.68Smart Water Leak Detector for Home Security, High-Sensitivity 9V Battery Flood Sensor and Overflow Alarm for Kitchen
Qiopertar Smart Water Alarm Sensor, WIFI Water Leak Detector with APP Alerts, Smart Home Water Immersion Sensor for Kitchen Bathroom Sink Appliance Flood Prevention $9.49 Was $11.99

Now$949
current price Now $9.49, Was $11.99$11.99
Qiopertar Smart Water Alarm Sensor, WIFI Water Leak Detector with APP Alerts, Smart Home Water Immersion Sensor for Kitchen Bathroom Sink Appliance Flood Prevention
GJX Water Leakage Detector Water Leak Sensor Wireless Water Level Detector Water Leak Alarm Sensor Home Waterproof Smart Remote Notification $10.25

$1025
current price $10.25GJX Water Leakage Detector Water Leak Sensor Wireless Water Level Detector Water Leak Alarm Sensor Home Waterproof Smart Remote Notification
Smart Water Leak Detector, GreenVation WiFi Water Sensor with APP Push and Sound Alarm, 5-Year Battery Life, Suit for Home, Basement, Kitchen, 3 Pack $49.99

$4999
current price $49.99Smart Water Leak Detector, GreenVation WiFi Water Sensor with APP Push and Sound Alarm, 5-Year Battery Life, Suit for Home, Basement, Kitchen, 3 Pack
Tuya WiFi Water Sensor Leakage Alarm Flood Leak Detector Smart Home Remote Control Smart Home Security Protection $16.36

$1636
current price $16.36Tuya WiFi Water Sensor Leakage Alarm Flood Leak Detector Smart Home Remote Control Smart Home Security Protection
Osfvolr ZigBee Water Leak Sensor Alarms Smart Home Flood Leak Detector with Security Protection for Tuya Smart Life $10.19

$1019
current price $10.19Osfvolr ZigBee Water Leak Sensor Alarms Smart Home Flood Leak Detector with Security Protection for Tuya Smart Life
LEORX 1Set Red ABS Water Sensor Alarm for Under Sink Water Alarm 11.8x7.9x3.9in $8.60

$860
current price $8.60LEORX 1Set Red ABS Water Sensor Alarm for Under Sink Water Alarm 11.8x7.9x3.9in
Clearance Smart Water Alarm Sensor with WIFI, Water Leakage Detection, Sound Alarm, Remote Monitoring via APP, Works with Smart Voice Assistants, No Installation Required, Long Standby Time $6.99 Was $7.99

Now$699
current price Now $6.99, Was $7.99$7.99
Smart Water Alarm Sensor with WIFI, Water Leakage Detection, Sound Alarm, Remote Monitoring via APP, Works with Smart Voice Assistants, No Installation Required, Long Standby Time
WiFi Water Leak Detectors 100dB Smart Water Sensor Alarm with 3.22 ft Sensor Cable Triple Detection Mode, with App Remote Monitor, Wireless Tank Level Monitor for Basement, Kitchen, Bathroom(1pack) $21.47

$2147
current price $21.47WiFi Water Leak Detectors 100dB Smart Water Sensor Alarm with 3.22 ft Sensor Cable Triple Detection Mode, with App Remote Monitor, Wireless Tank Level Monitor for Basement, Kitchen, Bathroom(1pack)
Water Leak Monitoring Sensor with Alarm 3 Pack - Leak Puppy Electronic Water & Flood Leak Detector - Detects as Little as 1/32" of Water - Overflow Alert Sensor Beeps Loudly When Water is Detected $39.95

$3995
current price $39.95Water Leak Monitoring Sensor with Alarm 3 Pack - Leak Puppy Electronic Water & Flood Leak Detector - Detects as Little as 1/32" of Water - Overflow Alert Sensor Beeps Loudly When Water is Detected
For Tuya Smart Home Wifi Water Leak Detector Sound Alarm Water Leak Sensor For Home,Store,Office Building,Warehouse,School $10.79 Was $14.72

Now$1079
current price Now $10.79, Was $14.72$14.72
For Tuya Smart Home Wifi Water Leak Detector Sound Alarm Water Leak Sensor For Home,Store,Office Building,Warehouse,School
Smart Wifi Water Leak Detector and Overflow Alarm Sensor Compatible with Tuya App for Home, Office, and Warehouse Security (9.0 x 5.0 Inches / 22.8 x 12.7 cm) $16.42

$1642
current price $16.42Smart Wifi Water Leak Detector and Overflow Alarm Sensor Compatible with Tuya App for Home, Office, and Warehouse Security (9.0 x 5.0 Inches / 22.8 x 12.7 cm)
GJX 5 Pack Water Leak Detectors for Home,100Db Water Sensor Alarm for Basement,Flood Leakage Detection Devices for Pipe,Floor Flooding in Bathroom/Kitchen/Toilet/Laundry Room $55.29

$5529
current price $55.29GJX 5 Pack Water Leak Detectors for Home,100Db Water Sensor Alarm for Basement,Flood Leakage Detection Devices for Pipe,Floor Flooding in Bathroom/Kitchen/Toilet/Laundry Room
Home Alarm Water Leakage Alarm For Tuya Smart WiFi Water Leak Sensor Detectors Flood Leak Level Overflow Alarm $20.21

$2021
current price $20.21Home Alarm Water Leakage Alarm For Tuya Smart WiFi Water Leak Sensor Detectors Flood Leak Level Overflow Alarm
Smart Home Water Level Sensor, Controller Leakage Flood Alarm, Swimming Tank Flow Detector System Leak Protection $112.86

$11286
current price $112.86Smart Home Water Level Sensor, Controller Leakage Flood Alarm, Swimming Tank Flow Detector System Leak Protection
Tuya 2.4GWifi Water Leak Detector with Sound Light Alarms 130DB Water Leak Smart Home Water-Alarm Sensor App Control $13.09

$1309
current price $13.09Tuya 2.4GWifi Water Leak Detector with Sound Light Alarms 130DB Water Leak Smart Home Water-Alarm Sensor App Control
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