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Side-by-side comparison · Updated for 2026

Water Leak Sensors with Home Assistant Integration

Looking for water leak sensors with Home Assistant Integration? Compare features, specs, and top-rated models to find the best one for your smart home in 2026.

As an Amazon Associate I earn from qualifying purchasesIndependent · Not sponsored
28
Products
18
Brands
38%
Top discount
Filters:All
Title
  • Basic Information
  • Rating
  • Reviews
  • Launch Year
  • Warranty
  • Model
  • Company
  • Brand
  • Headquarters
  • Size & Materials
  • Weather Resistance
  • Dimensions
  • Weight
  • Included accessories
  • Sensor Cable
  • Power
  • Wired
  • Battery Type
  • Battery Life
  • Connectivity
  • 2.4 GHz WiFi
  • 5 GHz WiFi
  • Bluetooth
  • Z-Wave
  • Zigbee
  • Thread Protocol
  • Other
  • Integrations
  • Google Home
  • Alexa
  • Apple HomeKit
  • Samsung SmartThings
  • Home Assistant
  • Matter
  • Sensors
  • Water Leak
  • Temperature
  • Tilt
  • Alerts
  • Water Leak Alerts
  • Temperature Alerts
  • Freeze Temperature Alerts
  • Low Battery Alerts
  • Tamper Alerts
  • Features
  • On Device Alert Sound
  • On Device Alert Light
  • Automations
  • 25% OFF
    X-Sense Wi-Fi Water Leak Detector
    Best Seller
    X-Sense

    Wi-Fi Water Leak Detector

    $11.99$15.99
    BUY NOWCheck price
    • 4.6
    • 2,253
    • 2024
    • 5 years
    • SWS51
    • X-Sense
    • China
    • IP66
    • 3 × 3 × 1.1 in
      (76.96 × 76.96 × 29.1 mm)
    • 3.5 oz
      (100 g)
    • NO
    • NO
    • 2x AAA
    • 3 years
    • NO
    • NO
    • NO
    • NO
    • NO
    • NO
    • Sub-1G (SBS50 Base Station required)
    • NO
    • NO
    • NO
    • NO
    • YES
    • NO
    • YES
    • NO
    • NO
    • YES
    • NO
    • NO
    • YES
    • NO
    • YES
    • NO
    • NO
  • Tapo T300
    TP-Link

    Tapo T300

    $19.99
    BUY NOWCheck price
    • 4.6
    • 524
    • 2023
    • 1 year
    • T300
    • TP-Link
    • USA
    • IP67
    • 3.3 × 1.8 × 1.2 in
      (84.5 × 46.5 × 30 mm)
    • ?
    • NO
    • NO
    • 2x AAA
    • 3 years
    • NO
    • NO
    • NO
    • NO
    • NO
    • NO
    • Sub-1G (Tapo Hub required)
    • YES
    • NO
    • NO
    • NO
    • Partially
    • NO
    • YES
    • NO
    • NO
    • YES
    • NO
    • NO
    • YES
    • NO
    • YES
    • YES
    • YES
  • Shelly Flood S Gen4
    Shelly

    Flood S Gen4

    $27.99
    BUY NOWCheck price
    • 4.6
    • 17
    • 2026
    • 3 years
    • S4SN-0071Z
    • Shelly
    • Bulgaria
    • IP67
    • Ø3 × 0.9 in
      (Ø77 × 23 mm)
    • 2.5 oz (70 g)
    • NO
    • NO
    • CR123A
    • 2 years
    • YES
    • NO
    • YES
    • NO
    • Zigbee Hub required
    • NO
    • NO
    • YES
    • NO
    • YES
    • YES
    • YES
    • YES
    • YES
    • NO
    • NO
    • YES
    • NO
    • NO
    • YES
    • NO
    • YES
    • YES
    • YES
  • Aeotec Water Leak Sensor
    Aeotec

    Water Leak Sensor

    $39.99
    BUY NOWCheck price
    • 4.5
    • 525
    • 2021
    • 1 year
    • GP-AEOWLSUS
    • Aeotec
    • Germany
    • IP20
    • 2.4 × 1.4 × 0.9 in
      (60 × 36 × 24 mm)
    • 1.7 oz
      (47 g)
    • NO
    • NO
    • CR2
    • 1 year
    • NO
    • NO
    • NO
    • NO
    • Zigbee Hub required
    • NO
    • NO
    • NO
    • NO
    • NO
    • YES
    • YES
    • NO
    • YES
    • YES
    • NO
    • YES
    • YES
    • YES
    • ?
    • NO
    • NO
    • NO
    • YES
  • Eufy Water and Freeze Sensor
    Eufy

    Water and Freeze Sensor

    $34.99
    BUY NOWCheck price
    • 4.5
    • 445
    • 2023
    • 1 year
    • T8920
    • Eufy
    • China
    • IP65
    • 2.6 × 2.6 × 1.2 in
      (66 × 66 × 30 mm)
    • 3.1 oz
      (89 g)
    • NO
    • NO
    • CR123
    • 2 years
    • HomeBase required
    • NO
    • NO
    • NO
    • NO
    • NO
    • NO
    • NO
    • NO
    • NO
    • NO
    • YES
    • NO
    • YES
    • YES
    • NO
    • YES
    • NO
    • YES
    • ?
    • NO
    • NO
    • NO
    • ?
  • 32% OFF
    Eve Water Guard
    Eve

    Water Guard

    $74.95$109.95
    BUY NOWCheck price
    • 4.5
    • 205
    • 2022
    • 1 year
    • 20EBZ8701
    • Eve
    • Germany
    • YES
    • 1.8 × 2.6 × 2.6 in
      (45 × 65 × 65 mm)
    • 3.9 oz
      (110 g)
    • YES
    • YES
    • -
    • -
    • NO
    • NO
    • YES
    • NO
    • NO
    • Thread Border Router required
    • NO
    • NO
    • NO
    • YES
    • NO
    • YES
    • SOON
    • YES (Sensing cable)
    • NO
    • NO
    • YES
    • NO
    • NO
    • -
    • NO
    • YES
    • YES
    • YES
  • SwitchBot Water Leak Detector
    Best Seller
    SwitchBot

    Water Leak Detector

    $16.99
    BUY NOWCheck price
    • 4.4
    • 1,610
    • 2024
    • 1 year
    • W4402000
    • SwitchBot
    • Hong Kong
    • IP67
    • 1.1 × 1.3 × 3.1 in
      (29 × 32 × 78 mm)
    • 3.8 oz
      (109 g)
    • NO
    • NO
    • 2x AAA
    • 2 years
    • YES
    • NO
    • YES
    • NO
    • NO
    • NO
    • NO
    • YES
    • NO
    • YES
    • YES
    • YES
    • NO
    • YES
    • NO
    • NO
    • YES
    • NO
    • NO
    • ?
    • NO
    • YES
    • YES
    • YES
  • Aqara Water Leak Sensor T1
    Aqara

    Water Leak Sensor T1

    €20.99
    BUY NOWCheck price
    • 4.4
    • 61
    • 2023
    • 1 year
    • WL-S02D
    • Aqara
    • China
    • IP67
    • 2 × 2 × 0.6 in
      (50 × 50 × 15 mm)
    • 0.6 oz
      (18 g)
    • NO
    • NO
    • CR2032
    • 2 years
    • NO
    • NO
    • NO
    • NO
    • Zigbee Hub required
    • NO
    • NO
    • Aqara Hub required
    • NO
    • Aqara Hub required
    • YES
    • YES
    • Aqara Hub required
    • YES
    • NO
    • NO
    • YES
    • NO
    • NO
    • YES
    • NO
    • NO
    • NO
    • YES
  • 5% OFF
    Switchbot Water Leak Detector (Sensor Cable Edition)
    SwitchBot

    Water Leak Detector (Sensor Cable Edition)

    $18.99$19.99
    BUY NOWCheck price
    • 4.3
    • 1,831
    • 2024
    • 1 year
    • W4402000
    • SwitchBot
    • Hong Kong
    • IP67
    • 1.1 × 1.3 × 3.1 in
      (29 × 32 × 78 mm)
    • 3.8 oz
      (109 g)
    • YES
    • NO
    • 2x AAA
    • 2 years
    • YES
    • NO
    • YES
    • NO
    • NO
    • NO
    • NO
    • YES
    • NO
    • YES
    • YES
    • YES
    • NO
    • YES
    • NO
    • NO
    • YES
    • NO
    • NO
    • ?
    • NO
    • YES
    • YES
    • YES
  • Fibaro Flood Sensor (Z-Wave)
    Fibaro

    Flood Sensor (Z-Wave)

    $61.32
    BUY NOWCheck price
    • 4.3
    • 235
    • 2016
    • 1 year
    • FGFS-101
    • Fibaro
    • Poland
    • ?
    • 2.8 × 2.8 × 1.2 in
      (71 × 71 × 29.3 mm)
    • 2.1 oz
      (59 g)
    • NO
    • VDC powered (optional)
    • CR123A
    • 2 years
    • NO
    • NO
    • NO
    • Z-Wave Hub required
    • NO
    • NO
    • NO
    • NO
    • NO
    • NO
    • YES
    • YES
    • NO
    • YES
    • YES
    • YES
    • YES
    • YES
    • YES
    • ?
    • YES
    • YES
    • YES
    • YES
  • Sonoff Zigbee Water Leak Sensor
    Sonoff

    Zigbee Water Leak Sensor

    $14.99
    BUY NOWCheck price
    • 4.3
    • 66
    • 2024
    • 1 year
    • SNZB-05P
    • Sonoff
    • China
    • IP67
    • 1.9 × 1.9 × 0.9 in
      (48 × 48 × 21.6 mm)
    • 1.6 oz
      (45 g)
    • NO
    • NO
    • CR2477
    • 5 years
    • NO
    • NO
    • NO
    • NO
    • Zigbee Hub required
    • NO
    • NO
    • YES
    • NO
    • SONOFF Hub required
    • YES
    • YES
    • SONOFF Hub required
    • YES (Optional Sensing cable)
    • NO
    • NO
    • YES
    • NO
    • NO
    • YES
    • NO
    • NO
    • NO
    • YES
  • Aqara Water Leak Sensor
    Aqara

    Water Leak Sensor

    $18.99
    BUY NOWCheck price
    • 4.2
    • 3,641
    • 2020
    • 1 year
    • SJCGQ11LM
    • Aqara
    • China
    • IP67
    • 2 × 2 × 0.6 in
      (50 × 50 × 15 mm)
    • 0.6 oz
      (18 g)
    • NO
    • NO
    • CR2032
    • 2 years
    • NO
    • NO
    • NO
    • NO
    • Zigbee Hub required
    • NO
    • NO
    • NO
    • NO
    • Aqara Hub required
    • Aqara Hub required
    • YES
    • Aqara Hub required
    • YES
    • NO
    • NO
    • YES
    • NO
    • NO
    • YES
    • NO
    • NO
    • NO
    • YES
  • Shelly Flood Gen4
    Shelly

    Flood Gen4

    $39.99
    BUY NOWCheck price
    • 4.2
    • 283
    • 2025
    • 3 years
    • S4SN-0071A
    • Shelly
    • Bulgaria
    • IP44
    • 3.8 × 3 × 1 in
      (97 × 76 × 25 mm)
    • 3.2 oz
      (91 g)
    • YES
    • NO
    • 4x AA
    • 2 years
    • YES
    • NO
    • YES
    • NO
    • YES
    • NO
    • NO
    • YES
    • NO
    • YES
    • YES
    • YES
    • YES
    • YES
    • YES
    • NO
    • YES
    • YES
    • YES
    • YES
    • NO
    • YES
    • YES
    • YES
  • 25% OFF
    eufy Security Flood & Freeze Sensor E20
    Eufy

    Flood & Freeze Sensor E20

    $29.99$39.99
    BUY NOWCheck price
    • 4.2
    • 79
    • 2025
    • ?
    • T90F0
    • Eufy
    • China
    • IP54
    • 2.8 × 1.1 in
      (70.1 × 27.5 mm)
    • ?
    • YES
    • NO
    • CR123A
    • 5 years
    • HomeBase required
    • NO
    • NO
    • NO
    • NO
    • NO
    • NO
    • NO
    • NO
    • NO
    • NO
    • YES
    • NO
    • YES
    • Low Temperatures
    • NO
    • YES
    • NO
    • YES
    • YES
    • NO
    • YES
    • YES
    • YES
  • Fibaro Flood Sensor (HomeKit)
    Fibaro

    Flood Sensor (HomeKit)

    $43.28
    BUY NOWCheck price
    • 4.1
    • 359
    • 2016
    • 1 year
    • FGBHFS-101
    • Fibaro
    • Poland
    • ?
    • 2.8 × 2.8 × 1.2 in
      (71 × 71 × 29.3 mm)
    • 2.1 oz
      (59 g)
    • NO
    • VDC powered (optional)
    • CR123A
    • 2 years
    • NO
    • NO
    • Apple Homekit required
    • NO
    • NO
    • NO
    • NO
    • NO
    • NO
    • YES
    • NO
    • YES
    • NO
    • YES
    • YES
    • YES
    • YES
    • YES
    • YES
    • ?
    • YES
    • YES
    • YES
    • YES
  • Third Reality Water Leak Sensor
    Third Reality

    Water Leak Sensor

    $20.99
    BUY NOWCheck price
    • 4.1
    • 351
    • 2021
    • 1 year
    • P1WLSB1
    • Third Reality
    • China
    • ?
    • 3.2 × 2.2 × 1.1 in (81 × 55 × 29 mm)
    • 2.8 oz
      (80 g)
    • NO
    • NO
    • 2x AAA
    • 3 years
    • NO
    • NO
    • NO
    • NO
    • Zigbee Hub required
    • NO
    • NO
    • Smart Bridge MZ1 required
    • NO
    • Smart Bridge MZ1 required
    • YES
    • YES
    • NO
    • YES
    • NO
    • NO
    • YES
    • NO
    • NO
    • YES
    • NO
    • YES
    • NO
    • YES
  • 37% OFF
    Aeotec Water Sensor 7 Pro
    Aeotec

    Water Sensor 7 Pro

    $29.99$47.95
    BUY NOWCheck price
    • 4.1
    • 119
    • 2021
    • 1 year
    • ZWA019-A
    • Aeotec
    • Germany
    • IP20
    • 2.8 × 0.8 × 0.5 in
      (70 × 20 × 13 mm)
    • 1.5 oz
      (42 g)
    • YES
    • NO
    • ER14250
    • 3 years
    • NO
    • NO
    • NO
    • Z-Wave Hub required
    • NO
    • NO
    • NO
    • NO
    • NO
    • NO
    • YES
    • YES
    • NO
    • YES
    • YES
    • NO
    • YES
    • YES
    • YES
    • ?
    • NO
    • NO
    • NO
    • YES
  • Flume 2 Smart Water Monitor
    Flume

    Flume 2 Smart Water Monitor

    $199.00
    BUY NOWCheck price
    • 4.0
    • 1,953
    • 2020
    • ?
    • F2000
    • Flume
    • United States
    • YES
    • ?
    • ?
    • NO
    • NO
    • Proprietary lithium pack
    • ?
    • YES
    • NO
    • NO
    • NO
    • NO
    • NO
    • YES
    • YES
    • NO
    • NO
    • NO
    • YES
    • NO
    • YES
    • NO
    • NO
    • YES
    • NO
    • NO
    • YES
    • NO
    • NO
    • NO
    • ?
  • 32% OFF
    Kidde WiFi Water Leak & Freeze Detector
    Kidde

    WiFi Water Leak & Freeze Detector

    $23.92$34.97
    BUY NOWCheck price
    • 4.0
    • 738
    • 2022
    • 1 year
    • 60WLDR-W
    • Kidde
    • United States
    • NO
    • 3.5 × 3.5 × 1.5 in
      (89 × 89 × 38 mm)
    • 2.6 oz
      (73 g)
    • NO
    • NO
    • 2x AA
    • ?
    • YES
    • NO
    • NO
    • NO
    • NO
    • NO
    • NO
    • YES
    • NO
    • NO
    • NO
    • YES
    • NO
    • YES
    • YES
    • NO
    • YES
    • YES
    • YES
    • YES
    • NO
    • YES
    • ?
    • ?
  • 22% OFF
    Third Reality Smart Water Leak Sensor WL2
    Third Reality

    Smart Water Leak Sensor WL2

    $13.99$17.99
    BUY NOWCheck price
    • 3.9
    • 41
    • 2026
    • ?
    • P1WLSD1
    • Third Reality
    • China
    • IP65
    • 3.3 × 2.2 × 0.8 in
      (83.5 × 55 × 21.5 mm)
    • ?
    • NO
    • NO
    • 2x AAA
    • 3 years
    • NO
    • NO
    • NO
    • NO
    • Zigbee Hub required
    • NO
    • NO
    • Smart Bridge MZ1 required
    • NO
    • Smart Bridge MZ1 required
    • YES
    • YES
    • Smart Bridge MZ1 required
    • YES
    • NO
    • NO
    • YES
    • NO
    • NO
    • YES
    • NO
    • NO
    • NO
    • YES
  • Shelly Flood
    Shelly

    Flood

    $24.99
    BUY NOWCheck price
    • 3.8
    • 181
    • 2022
    • 2 years
    • -
    • Shelly
    • Bulgaria
    • ?
    • 2.8 × 2.8 × 0.7 in
      (70 × 70 × 19 mm)
    • 0.9 oz
      (26 g)
    • NO
    • NO
    • 1x CR123A (Not included)
    • 1.5 years
    • YES
    • NO
    • NO
    • NO
    • NO
    • NO
    • NO
    • YES
    • NO
    • NO
    • YES
    • YES
    • NO
    • YES
    • YES
    • NO
    • YES
    • YES
    • YES
    • YES
    • NO
    • NO
    • NO
    • YES
  • Centralite 3-Series Water Sensor
    Centralite

    3-Series Water Sensor

    $19.95
    BUY NOWCheck price
    • 3.8
    • 150
    • 2017
    • 1 year
    • 3315-C
    • Centralite
    • USA
    • ?
    • 1.5 × 2.3 × 0.9 in (38 × 59 × 22 mm)
    • 1.6 oz
      (45 g)
    • NO
    • NO
    • CR2
    • 3 years
    • NO
    • NO
    • NO
    • NO
    • Zigbee Hub required
    • NO
    • NO
    • NO
    • NO
    • NO
    • YES
    • YES
    • NO
    • YES
    • YES
    • NO
    • YES
    • YES
    • YES
    • YES
    • NO
    • NO
    • NO
    • YES
  • 38% OFF
    Ring Flood & Freeze Sensor (2nd Gen)
    Ring

    Flood & Freeze Sensor (2nd Gen)

    $24.99$39.99
    BUY NOWCheck price
    • 3.7
    • 497
    • 2026
    • 1 year
    • 7ACEAB
    • Ring
    • USA
    • IP66
    • 2.8 × 1 in
      (70 × 26 mm)
    • ?
    • NO
    • NO
    • 2x AA
    • 6 years
    • NO
    • NO
    • NO
    • NO
    • NO
    • NO
    • Amazon Sidewalk
    • NO
    • NO
    • NO
    • NO
    • YES
    • NO
    • YES
    • Low Temperatures
    • NO
    • YES
    • NO
    • YES
    • ?
    • NO
    • NO
    • NO
    • NO
  • Meross Smart Water Leak Sensor
    Meross

    Smart Water Leak Sensor

    $23.99
    BUY NOWCheck price
    • 3.7
    • 41
    • 2022
    • 1 year
    • MS400H
    • Meross
    • China
    • IP67
    • 2.8 × 2.8 × 1.6 in
      (71.5 × 71.5 × 41.5 mm)
    • 3.8 oz
      (108 g)
    • NO
    • NO
    • CR123A
    • 1.5 years
    • NO
    • NO
    • NO
    • NO
    • NO
    • NO
    • Sub-1G (Smart Wi-Fi Hub required)
    • NO
    • NO
    • YES
    • YES
    • YES
    • NO
    • YES
    • NO
    • NO
    • YES
    • NO
    • NO
    • ?
    • NO
    • YES
    • NO
    • YES
  • Moen Smart Leak Detector
    Moen

    Smart Leak Detector

    $54.72
    BUY NOWCheck price
    • 3.3
    • 1,341
    • 2020
    • 1 year
    • 920-004
    • Moen
    • USA
    • IP67
    • 2.6 × 1.5 × 3.3 in
      (67 × 38 × 83 mm)
    • 4.5 oz
      (127 g)
    • YES
    • NO
    • CR123A
    • 2 years
    • YES
    • NO
    • NO
    • NO
    • NO
    • NO
    • NO
    • NO
    • NO
    • NO
    • NO
    • Partially
    • NO
    • YES
    • YES
    • NO
    • YES
    • YES
    • YES
    • ?
    • NO
    • YES
    • YES
    • YES
  • Meross Smart Multi-Function Water Leak Sensor
    Meross

    Smart Multi-Function Water Leak Sensor

    $22.99
    BUY NOWCheck price
    • -
    • -
    • 2026
    • 1 year
    • MS420H
    • Meross
    • China
    • IP66
    • 1.2 × 1.2 × 3.3 in
      (31.5 × 29.5 × 85 mm)
    • ?
    • YES
    • NO
    • CR123A
    • 4 years
    • NO
    • NO
    • YES
    • NO
    • NO
    • NO
    • NO
    • MSH450P Hub required
    • NO
    • MSH450P Hub required
    • MSH450P Hub required
    • MSH450P Hub required
    • MSH450P Hub required
    • YES
    • Freezing conditions
    • NO
    • YES
    • NO
    • YES
    • ?
    • NO
    • YES
    • NO
    • YES

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