Updated July 2026
Data from Amazon and official Aeotec and Fibaro sites.
2026 verdict
Two Z-Wave leak sensors, but the Fibaro Flood Sensor (Z-Wave) takes this water leak sensor comparison on sensing and local alerts. It carries a higher owner rating and packs more into one puck, adding a tilt sensor with tamper alerts and an on-device alert sound and light that the Aeotec has no equivalent for, alongside its water and temperature sensing. The Aeotec Water Sensor 7 Pro counters on the practical side: it is cheaper, runs a longer 3 years on a battery, ships with a sensor cable for tight spots, and integrates natively with SmartThings plus Home Assistant, where the Fibaro directly supports Home Assistant only. Both need a Z-Wave hub. Choose the Fibaro Flood Sensor (Z-Wave) for tilt, tamper and an onboard alarm in one device; pick the Aeotec Water Sensor 7 Pro for a cheaper, longer-lasting sensor with a probe cable and SmartThings support.
| Feature | Aeotec Water Sensor 7 Pro | Fibaro Flood Sensor (Z-Wave) | Winner |
|---|---|---|---|
| Price | $47.95 | $66.12 | Aeotec Water Sensor 7 Pro |
| Rating | 4.1 | 4.3 | Fibaro Flood Sensor (Z-Wave) |
| Weather Resistance | IP20 | NO | Aeotec Water Sensor 7 Pro |
| Battery Life | 3 years | 2 years | Aeotec Water Sensor 7 Pro |
| Integrations | Samsung SmartThings, Home Assistant | Home Assistant | Aeotec Water Sensor 7 Pro |
| Sensors | Water Leak, Temperature | Water Leak, Temperature, Tilt | Fibaro Flood Sensor (Z-Wave) |
| Alerts | Water Leak Alerts, Temperature Alerts, Freeze Temperature Alerts | Water Leak Alerts, Temperature Alerts, Freeze Temperature Alerts, Tamper Alerts | Fibaro Flood Sensor (Z-Wave) |
| On Device Alert Sound | NO | YES | Fibaro Flood Sensor (Z-Wave) |
| On Device Alert Light | NO | YES | Fibaro Flood Sensor (Z-Wave) |
| Warranty | 1 year | 1 year | Tie |
| Connectivity | Z-Wave | Z-Wave | Tie |
$47.95
- + Price: $47.95
- + Weather Resistance: IP20
- + Battery Life: 3 years
- - Rating: 4.1 vs 4.3
- - Sensors: Water Leak, Temperature vs Water Leak, Temperature, Tilt
Winner
16% OFF
$66.12
$78.53
- + Rating: 4.3
- + Sensors: Water Leak, Temperature, Tilt
- + Alerts: Water Leak Alerts, Temperature Alerts, Freeze Temperature Alerts, Tamper Alerts
- - Price: $66.12 vs $47.95
- - Weather Resistance: NO vs IP20
Frequently Asked Questions
Which is better overall: Aeotec Water Sensor 7 Pro or Fibaro Flood Sensor (Z-Wave)?
The Fibaro Flood Sensor (Z-Wave) wins overall with a higher rating, added tilt and tamper detection, and an onboard alert sound and light. The Aeotec Water Sensor 7 Pro is cheaper, lasts longer on a battery, and adds an included sensor cable and SmartThings support.
What is the biggest difference between these two Z-Wave sensors?
Onboard capability versus practicality. The Fibaro Flood Sensor (Z-Wave) adds a tilt sensor, tamper alerts and a built-in alarm, while the Aeotec Water Sensor 7 Pro offers a longer battery, a sensor cable, and native SmartThings integration.
Which one has a built-in alarm and tamper detection?
The Fibaro Flood Sensor (Z-Wave), which includes an on-device alert sound and light plus tamper alerts via its tilt sensor. The Aeotec Water Sensor 7 Pro has neither an onboard siren nor tamper detection.
Which sensor lasts longer on a battery?
The Aeotec Water Sensor 7 Pro, rated for about 3 years on its ER14250 cell, longer than the Fibaro Flood Sensor (Z-Wave)'s roughly 2-year CR123A runtime.
Who should buy the Fibaro Flood Sensor (Z-Wave)?
Buy it if you run a Z-Wave hub or Home Assistant and want tilt, tamper and an onboard alarm combined with water and temperature sensing in one unit.
Who should buy the Aeotec Water Sensor 7 Pro?
Choose it if you want a cheaper Z-Wave sensor with a longer battery, an included sensor cable, and native SmartThings as well as Home Assistant support.
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