Water Leak Sensors · Head to head

Aeotec Water Sensor 7 Pro 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
For most buyers in 2026, Shelly Flood Gen4 is the safer pick over Aeotec Water Sensor 7 Pro because of price, warranty, and weather resistance. The comparison tilts its way because of price, warranty, and weather resistance, with connectivity and integrations keeping it in front. Aeotec Water Sensor 7 Pro remains a niche alternative if battery life matters more than the rest of the comparison. That makes Shelly Flood Gen4 the clearer recommendation in 2026.
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FeatureAeotec Water Sensor 7 ProShelly Flood Gen4Winner
Price$47.95$39.99Shelly Flood Gen4
Warranty1 year3 yearsShelly Flood Gen4
Weather ResistanceIP20IP44Shelly Flood Gen4
Battery Life3 years2 yearsAeotec Water Sensor 7 Pro
ConnectivityZ-Wave2.4 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
Rating4.24.2Tie
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 Sensor 7 Pro 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 Aeotec Water Sensor 7 Pro and Shelly Flood Gen4?
Price is one of the clearest differences: Aeotec Water Sensor 7 Pro lists $47.95, while Shelly Flood Gen4 lists $39.99.
Which one looks better on price?
Aeotec Water Sensor 7 Pro is listed at $47.95, while Shelly Flood Gen4 is listed at $39.99. Shelly Flood Gen4 (better spec).
Who should buy Aeotec Water Sensor 7 Pro?
Choose Aeotec Water Sensor 7 Pro if your priority is battery life 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 battery life.
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