Water Leak Sensors · Head to head

Aeotec Water Leak Sensor vs Shelly Flood Gen4

Full Smart Water Leak Sensors comparison in 2026

Updated June 2026
Data from Amazon and official Aeotec and Shelly sites.
2026 verdict
Shelly Flood Gen4 wins the 2026 matchup against Aeotec Water Leak Sensor, mainly on warranty, weather resistance, and battery life. The main reason it wins is warranty, weather resistance, and battery life, and connectivity and integrations strengthens that case. The only strong reason to choose Aeotec Water Leak Sensor is if rating is more important to you than the overall verdict. That makes Shelly Flood Gen4 the clearer recommendation in 2026.
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FeatureAeotec Water Leak SensorShelly Flood Gen4Winner
Rating4.54.2Aeotec Water Leak Sensor
Warranty1 year3 yearsShelly Flood Gen4
Weather ResistanceIP20IP44Shelly Flood Gen4
Battery Life1 year2 yearsShelly Flood Gen4
ConnectivityZigbee2.4 GHz WiFi, Bluetooth, ZigbeeShelly Flood Gen4
IntegrationsSamsung SmartThings, Home AssistantGoogle Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant, MatterShelly Flood Gen4
On Device Alert SoundNOYESShelly Flood Gen4
On Device Alert LightNOYESShelly Flood Gen4
Price$39.99$39.99Tie
SensorsWater Leak, TemperatureWater Leak, TemperatureTie
AlertsWater Leak Alerts, Temperature Alerts, Freeze Temperature AlertsWater Leak Alerts, Temperature Alerts, Freeze Temperature AlertsTie

Frequently Asked Questions (FAQ)

Which is better overall: Aeotec Water Leak Sensor or Shelly Flood Gen4?
Shelly Flood Gen4 has the stronger overall profile in this comparison, especially for warranty, weather resistance, and battery life.
What is the biggest difference between Aeotec Water Leak Sensor and Shelly Flood Gen4?
Rating is one of the clearest differences: Aeotec Water Leak Sensor lists 4.5, while Shelly Flood Gen4 lists 4.2.
Which one looks better on price?
Aeotec Water Leak Sensor is listed at $39.99, while Shelly Flood Gen4 is listed at $39.99. Tie.
Who should buy Aeotec Water Leak Sensor?
Choose Aeotec Water Leak Sensor if your priority is rating and that matters more than warranty.
Who should buy Shelly Flood Gen4?
Choose Shelly Flood Gen4 if your priority is warranty and weather resistance and that matters more than rating.
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