Water Leak Sensors · Head to head

Fibaro Flood Sensor (Z-Wave) vs Shelly Flood Gen4

Full Smart Water Leak Sensors comparison in 2026

Updated June 2026
Data from Amazon and official Fibaro and Shelly sites.
2026 verdict
Between Shelly Flood Gen4 and Fibaro Flood Sensor (Z-Wave), Shelly Flood Gen4 is the better overall pick in 2026, leading on price, warranty, and weather resistance. It has the clearer edge on price, warranty, and weather resistance, and it stays ahead on connectivity and integrations. Fibaro Flood Sensor (Z-Wave) remains a niche alternative if rating, sensors, and alerts matters more than the rest of the comparison. That is enough to make Shelly Flood Gen4 the better pick for most buyers.
vs
FeatureFibaro Flood Sensor (Z-Wave)Shelly Flood Gen4Winner
Price$78.50$39.99Shelly Flood Gen4
Rating4.34.2Fibaro Flood Sensor (Z-Wave)
Warranty1 year3 yearsShelly Flood Gen4
Weather ResistanceNOIP44Shelly Flood Gen4
ConnectivityZ-Wave2.4 GHz WiFi, Bluetooth, ZigbeeShelly Flood Gen4
IntegrationsHome AssistantGoogle Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant, MatterShelly Flood Gen4
SensorsWater Leak, Temperature, TiltWater Leak, TemperatureFibaro Flood Sensor (Z-Wave)
AlertsWater Leak Alerts, Temperature Alerts, Freeze Temperature Alerts, Tamper AlertsWater Leak Alerts, Temperature Alerts, Freeze Temperature AlertsFibaro Flood Sensor (Z-Wave)
Battery Life2 years2 yearsTie
On Device Alert SoundYESYESTie
On Device Alert LightYESYESTie

Frequently Asked Questions (FAQ)

Which is better overall: Fibaro Flood Sensor (Z-Wave) or Shelly Flood Gen4?
Shelly Flood Gen4 has the stronger overall profile in this comparison, especially for price, warranty, and weather resistance.
What is the biggest difference between Fibaro Flood Sensor (Z-Wave) and Shelly Flood Gen4?
Price is one of the clearest differences: Fibaro Flood Sensor (Z-Wave) lists $78.50, while Shelly Flood Gen4 lists $39.99.
Which one looks better on price?
Fibaro Flood Sensor (Z-Wave) is listed at $78.50, while Shelly Flood Gen4 is listed at $39.99. Shelly Flood Gen4 (better spec).
Who should buy Fibaro Flood Sensor (Z-Wave)?
Choose Fibaro Flood Sensor (Z-Wave) if your priority is rating and sensors and that matters more than price.
Who should buy Shelly Flood Gen4?
Choose Shelly Flood Gen4 if your priority is price and warranty and that matters more than rating.
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