Water Leak Sensors · Head to head

Aqara Water Leak Sensor T1 vs Shelly Flood

Full Smart Water Leak Sensors comparison in 2026

Updated February 2026
Data from Amazon and official Aqara and Shelly sites.
2026 verdict
Zigbee hub or plain Wi-Fi? For this water leak sensor pairing, the Aqara Water Leak Sensor T1 comes out ahead of the Shelly Flood, winning on price, owner rating, weather resistance, battery life, and the sheer number of platforms it reaches through an Aqara Hub. The Shelly Flood answers with a longer warranty and native Google Home, Alexa, and Samsung SmartThings support straight over Wi-Fi, no separate hub required, plus a built-in temperature sensor for basic freeze awareness. Neither sensor includes an on-device alarm sound or light. Buyers who want the cheaper, longer-lasting, more weatherproof sensor and already run Aqara or Home Assistant should pick the Aqara Water Leak Sensor T1, while anyone who wants a WiFi-native sensor with SmartThings support and doesn't mind occasional pairing hiccups can still go with the Shelly Flood.
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FeatureAqara Water Leak Sensor T1Shelly FloodWinner
Rating4.43.8Aqara Water Leak Sensor T1
Warranty1 year2 yearsShelly Flood
Weather ResistanceIP67NOAqara Water Leak Sensor T1
Battery Life2 years1.5 yearsAqara Water Leak Sensor T1
IntegrationsGoogle Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant, MatterGoogle Home, Alexa, Samsung SmartThings, Home AssistantAqara Water Leak Sensor T1
SensorsWater LeakWater Leak, TemperatureShelly Flood
AlertsWater Leak Alerts, Low Battery AlertsWater Leak Alerts, Temperature Alerts, Freeze Temperature AlertsShelly Flood
ConnectivityZigbee2.4 GHz WiFiTie
On Device Alert SoundNONOTie
On Device Alert LightNONOTie

Frequently Asked Questions

Which is the better water leak sensor, the Aqara Water Leak Sensor T1 or the Shelly Flood?

The Aqara Water Leak Sensor T1 wins overall, offering a lower price, higher rating, better weather resistance, longer battery life, and broader hub-based integrations. The Shelly Flood counters with a longer warranty and native WiFi connectivity with no hub needed.

What is the biggest difference between the Aqara Water Leak Sensor T1 and the Shelly Flood?

Connectivity approach. The Aqara Water Leak Sensor T1 uses Zigbee and needs an Aqara Hub to reach Alexa, Google Home, and Apple HomeKit, while the Shelly Flood connects directly over 2.4GHz WiFi with no hub, natively supporting Google Home, Alexa, and Samsung SmartThings out of the box.

Does either sensor track temperature?

Yes, the Shelly Flood includes a temperature sensor alongside water-leak detection, something the Aqara Water Leak Sensor T1 does not offer.

Which sensor has the longer warranty?

The Shelly Flood carries a longer warranty than the Aqara Water Leak Sensor T1, though the Aqara model wins on battery life and weather resistance.

Who should buy the Aqara Water Leak Sensor T1?

Buyers who want the cheaper, better-rated, more weatherproof sensor and are willing to add an Aqara Hub for broad smart home integration.

Who should buy the Shelly Flood?

DIY-minded buyers, especially Home Assistant users, who want a no-hub WiFi sensor with a longer warranty and don't mind occasional WiFi reconnects.

Full comparison table

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