Updated March 2026
Data from Amazon and official Centralite and Fibaro sites.
2026 verdict
In this 2026 comparison, Fibaro Flood Sensor (HomeKit) comes out ahead overall. Its strongest advantages show up in rating, sensors, and on device alert sound, with on device alert light helping widen the gap. The only strong reason to choose Centralite 3-Series Water Sensor is if price and battery life is more important to you than the overall verdict. That makes Fibaro Flood Sensor (HomeKit) the clearer recommendation in 2026.
| Feature | Centralite 3-Series Water Sensor | Fibaro Flood Sensor (HomeKit) | Winner |
|---|---|---|---|
| Price | $17.45 | $43.28 | Centralite 3-Series Water Sensor |
| Rating | 3.6 | 4.0 | Fibaro Flood Sensor (HomeKit) |
| Battery Life | 3 years | 2 years | Centralite 3-Series Water Sensor |
| Sensors | Water Leak, Temperature | Water Leak, Temperature, Tilt | Fibaro Flood Sensor (HomeKit) |
| On Device Alert Sound | NO | YES | Fibaro Flood Sensor (HomeKit) |
| On Device Alert Light | NO | YES | Fibaro Flood Sensor (HomeKit) |
| Warranty | 1 year | 1 year | Tie |
| Weather Resistance | NO | NO | Tie |
| Connectivity | Zigbee | Bluetooth | Tie |
| Integrations | Samsung SmartThings, Home Assistant | Apple HomeKit, Home Assistant | Tie |
| Alerts | Water Leak Alerts, Temperature Alerts, Freeze Temperature Alerts, Low Battery Alerts | Water Leak Alerts, Temperature Alerts, Freeze Temperature Alerts, Tamper Alerts | Tie |
$17.45
- + Price: $17.45
- + Battery Life: 3 years
- - Rating: 3.6 vs 4.0
- - Sensors: Water Leak, Temperature vs Water Leak, Temperature, Tilt
Winner
$43.28
- + Rating: 4.0
- + Sensors: Water Leak, Temperature, Tilt
- + On Device Alert Sound: YES
- - Price: $43.28 vs $17.45
- - Battery Life: 2 years vs 3 years
Frequently Asked Questions (FAQ)
- Which is better overall: Centralite 3-Series Water Sensor or Fibaro Flood Sensor (HomeKit)?
- Fibaro Flood Sensor (HomeKit) has the stronger overall profile in this comparison, especially for rating, sensors, and on device alert sound.
- What is the biggest difference between Centralite 3-Series Water Sensor and Fibaro Flood Sensor (HomeKit)?
- Price is one of the clearest differences: Centralite 3-Series Water Sensor lists $17.45, while Fibaro Flood Sensor (HomeKit) lists $43.28.
- Which one looks better on price?
- Centralite 3-Series Water Sensor is listed at $17.45, while Fibaro Flood Sensor (HomeKit) is listed at $43.28. Centralite 3-Series Water Sensor (better spec).
- Who should buy Centralite 3-Series Water Sensor?
- Choose Centralite 3-Series Water Sensor if your priority is price and battery life and that matters more than rating.
- Who should buy Fibaro Flood Sensor (HomeKit)?
- Choose Fibaro Flood Sensor (HomeKit) if your priority is rating and sensors and that matters more than price.
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