Water Leak Sensors · Head to head

Aqara Water Leak Sensor T1 vs Shelly Flood Gen4

Full Smart Water Leak Sensors comparison in 2026

Updated June 2026
Data from Amazon and official Aqara and Shelly sites.
2026 verdict
In this 2026 Shelly Flood Gen4 vs Aqara Water Leak Sensor T1 comparison, Shelly Flood Gen4 comes out ahead thanks to warranty, connectivity, and sensors. It has the clearer edge on warranty, connectivity, and sensors, and it stays ahead on alerts and on device alert sound. Aqara Water Leak Sensor T1 can still be the right pick, but only if price, rating, and weather resistance outweighs the wider strengths of Shelly Flood Gen4. That keeps the verdict firmly in favor of Shelly Flood Gen4.
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FeatureAqara Water Leak Sensor T1Shelly Flood Gen4Winner
Price£21.99$39.99Aqara Water Leak Sensor T1
Rating4.54.2Aqara Water Leak Sensor T1
Warranty1 year3 yearsShelly Flood Gen4
Weather ResistanceIP67IP44Aqara Water Leak Sensor T1
ConnectivityZigbee2.4 GHz WiFi, Bluetooth, ZigbeeShelly Flood Gen4
SensorsWater LeakWater Leak, TemperatureShelly Flood Gen4
AlertsWater Leak Alerts, Low Battery AlertsWater Leak Alerts, Temperature Alerts, Freeze Temperature AlertsShelly Flood Gen4
On Device Alert SoundNOYESShelly Flood Gen4
On Device Alert LightNOYESShelly Flood Gen4
Battery Life2 years2 yearsTie
IntegrationsGoogle Home, Alexa, Apple HomeKit, Home Assistant, IFTTT, MatterGoogle Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant, MatterTie

Frequently Asked Questions (FAQ)

Which is better overall: Aqara Water Leak Sensor T1 or Shelly Flood Gen4?
Shelly Flood Gen4 has the stronger overall profile in this comparison, especially for warranty, connectivity, and sensors.
What is the biggest difference between Aqara Water Leak Sensor T1 and Shelly Flood Gen4?
Price is one of the clearest differences: Aqara Water Leak Sensor T1 lists £21.99, while Shelly Flood Gen4 lists $39.99.
Which one looks better on price?
Aqara Water Leak Sensor T1 is listed at £21.99, while Shelly Flood Gen4 is listed at $39.99. Aqara Water Leak Sensor T1 (better spec).
Who should buy Aqara Water Leak Sensor T1?
Choose Aqara Water Leak Sensor T1 if your priority is price and rating and that matters more than warranty.
Who should buy Shelly Flood Gen4?
Choose Shelly Flood Gen4 if your priority is warranty and connectivity and that matters more than price.
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