Winner
Updated July 2026
Data from Amazon and official Eve and Fibaro sites.
2026 verdict
Is a wide-reaching sensing cable worth more than a compact multi-sensor puck? For the Eve Water Guard, the answer is yes here: it beats the Fibaro Flood Sensor (Z-Wave) on owner rating, weather resistance, connectivity through Bluetooth and Thread, and its own set of integrations, all anchored by an extendable cable that watches a whole appliance run. The Fibaro Flood Sensor (Z-Wave) answers with a lower price and a broader sensor mix, adding temperature and tilt detection with tamper alerts that the Eve doesn't include. Both work well with Home Assistant, though the Eve is built specifically for Apple HomeKit and Thread while the Fibaro needs a Z-Wave controller. Choose the Eve Water Guard if you want wide-area coverage in a HomeKit household; pick the Fibaro Flood Sensor (Z-Wave) if you want the cheaper, more sensor-rich option for a Z-Wave setup.
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Water Leak Sensor prices change while you decide
We check the price of every Water Leak Sensor in the catalog daily and email you the drops, whichever one you pick.
| Feature | Eve Water Guard | Fibaro Flood Sensor (Z-Wave) | Winner |
|---|---|---|---|
| Price | $78.99 | $66.12 | Fibaro Flood Sensor (Z-Wave) |
| Rating | 4.5 | 4.3 | Eve Water Guard |
| Weather Resistance | YES | NO | Eve Water Guard |
| Connectivity | Bluetooth, Thread Protocol | Z-Wave | Eve Water Guard |
| Sensors | Water Leak | Water Leak, Temperature, Tilt | Fibaro Flood Sensor (Z-Wave) |
| Alerts | Water Leak Alerts | Water Leak Alerts, Temperature Alerts, Freeze Temperature Alerts, Tamper Alerts | Fibaro Flood Sensor (Z-Wave) |
| Warranty | 1 year | 1 year | Tie |
| Integrations | Apple HomeKit, Home Assistant | Samsung SmartThings, Home Assistant | Tie |
| On Device Alert Sound | YES | YES | Tie |
| On Device Alert Light | YES | YES | Tie |
Winner
28% OFF
$78.99
$109.95
- + Rating: 4.5
- + Weather Resistance: YES
- + Connectivity: Bluetooth, Thread Protocol
- - Price: $78.99 vs $66.12
- - Sensors: Water Leak vs Water Leak, Temperature, Tilt
16% OFF
$66.12
$78.53
- + Price: $66.12
- + Sensors: Water Leak, Temperature, Tilt
- + Alerts: Water Leak Alerts, Temperature Alerts, Freeze Temperature Alerts, Tamper Alerts
- - Rating: 4.3 vs 4.5
- - Weather Resistance: NO vs YES
Frequently Asked Questions
Which is better overall, the Eve Water Guard or the Fibaro Flood Sensor (Z-Wave)?
The Eve Water Guard wins overall, with a higher owner rating, weather resistance, broader connectivity, and its signature extendable sensing cable. The Fibaro Flood Sensor (Z-Wave) is cheaper and packs in more sensor types.
What is the biggest difference between the Eve Water Guard and the Fibaro Flood Sensor (Z-Wave)?
Coverage area versus sensor variety. The Eve Water Guard's extendable cable can stretch up to 490 ft to monitor a whole appliance run, while the Fibaro Flood Sensor (Z-Wave) is a compact spot sensor that also tracks temperature and tilt with tamper alerts.
Which one needs batteries?
The Fibaro Flood Sensor (Z-Wave) runs on a CR123A battery, while the Eve Water Guard is wired for power, so it has no batteries to replace but needs a nearby outlet.
Does either sensor detect temperature or tampering?
The Fibaro Flood Sensor (Z-Wave) does, with both a temperature sensor and tilt-based tamper alerts. The Eve Water Guard has neither, focusing purely on water-leak detection along its cable.
Who should buy the Eve Water Guard?
Choose it if you want to cover a long appliance run with one cable inside an Apple HomeKit or Thread setup, and value the higher owner rating.
Who should buy the Fibaro Flood Sensor (Z-Wave)?
Pick it if you run a Z-Wave hub and want the cheaper option with temperature, tilt, and tamper detection built in.
Full comparison table
Compare all 29 Water Leak Sensors side by side
You are looking at two of them. The full table lines up all Water Leak Sensors in the catalog with the same specs, so you can filter by what you need and sort by price or rating.
- 29 Water Leak Sensors
- 36 specs compared
- 33 filters
YoLinkWater Leak Sensor 4
29% OFF$23.99$17.09
YoLinkWater Leak Sensor 1
$16.99
X-SenseWi-Fi Water Leak Detector
29% OFF$15.99$11.39
TP-LinkTapo T300
$19.99
EufyWater and Freeze Sensor
$34.99
SwitchBotWater Leak Detector
13% OFF$16.49$14.29
AeotecWater Leak Sensor
$39.99
GoveeWater Leak Detector 2
20% OFF$69.99$55.99- Eve
Water Guard
28% OFF$109.95$78.99 
AqaraWater Leak Sensor T1
HeimanSmart Water Leakage Sensor
$19.99
GoveeWater Sensor Alarm
$15.99
SwitchBotWater Leak Detector (Sensor Cable Edition)
15% OFF$19.99$16.98
FibaroFlood Sensor (Z-Wave)
16% OFF$78.53$66.12
SonoffZigbee Water Leak Sensor
$14.99
AqaraWater Leak Sensor
$18.99
ShellyFlood Gen4
$39.99
FibaroFlood Sensor (HomeKit)
$43.28
AeotecWater Sensor 7 Pro
$47.95
ArloAll-in-One Sensor
$29.33
Air Quality MonitorsEveEve Room Indoor
$109.95
CamerasEveOutdoor Cam
20% OFF$274.95$219.95
Door & Window SensorsEveDoor & Window
14% OFF$43.95$38.00
Motion SensorsEveMotion
35% OFF$54.95$35.57
PlugsEveEnergy (EU)
PlugsEveEnergy (US)
9% OFF$43.95$39.95
Radiator ValvesEveThermo
51% OFF€79.95€39.49
Temperature & Humidity SensorsEveWeather
$87.95
Wall OutletsEveEve Energy Outlet
$54.95
Wall SwitchesEveDimmer Switch
8% OFF$54.95$50.55
Wall SwitchesEveLight Switch (EU)
Wall SwitchesEveLight Switch (US)
9% OFF$54.95$49.95- Water Leak SensorsEve
Water Guard
28% OFF$109.95$78.99 
Water ValvesEveAqua
22% OFF$164.95$128.99
Door & Window SensorsFibaroDoor / Window Sensor 2
$50.45
Door & Window SensorsFibaroDoor / Window Sensor
$48.53
HubsFibaroHome Center Lite
$149.00
Motion SensorsFibaroFGBHMS-001
$56.10
PlugsFibaroWall Plug (EU)
PlugsFibaroWall Plug with USB (US)
$51.28- Water Leak SensorsFibaro
Flood Sensor (Z-Wave)
16% OFF$78.53$66.12 - Water Leak SensorsFibaro
Flood Sensor (HomeKit)
$43.28