Aeotec Water Leak Sensor vs Shelly Flood

Full Smart Water Leak Sensors comparison in 2026

Updated February 2026
Data from Amazon and official Aeotec and Shelly sites.
2026 verdict
For 2026, Shelly Flood is the stronger overall choice. Its clearest strengths are price, warranty, and battery life, and it still looks stronger on integrations. Aeotec Water Leak Sensor remains a niche alternative if rating and weather resistance matters more than the rest of the comparison. In practical terms, Shelly Flood is the easier product to recommend.
vs
FeatureAeotec Water Leak SensorShelly FloodWinner
Price$39.99$24.99Shelly Flood
Rating4.54.0Aeotec Water Leak Sensor
Warranty1 year2 yearsShelly Flood
Weather ResistanceIP20NOAeotec Water Leak Sensor
Battery Life1 year1.5 yearsShelly Flood
IntegrationsSamsung SmartThings, Home AssistantGoogle Home, Alexa, Samsung SmartThings, Home AssistantShelly Flood
ConnectivityZigbee2.4 GHz WifiTie
SensorsWater Leak, TemperatureWater Leak, TemperatureTie
AlertsWater Leak Alerts, Temperature Alerts, Freeze Temperature AlertsWater Leak Alerts, Temperature Alerts, Freeze Temperature AlertsTie
On Device Alert SoundNONOTie
On Device Alert LightNONOTie
Winner
Shelly

Shelly Flood

$24.99
BUY NOW
  • + Price: $24.99
  • + Warranty: 2 years
  • + Battery Life: 1.5 years
  • - Rating: 4.0 vs 4.5
  • - Weather Resistance: NO vs IP20

Frequently Asked Questions (FAQ)

Which is better overall: Aeotec Water Leak Sensor or Shelly Flood?
Shelly Flood has the stronger overall profile in this comparison, especially for price, warranty, and battery life.
What is the biggest difference between Aeotec Water Leak Sensor and Shelly Flood?
Price is one of the clearest differences: Aeotec Water Leak Sensor lists $39.99, while Shelly Flood lists $24.99.
Which one looks better on price?
Aeotec Water Leak Sensor is listed at $39.99, while Shelly Flood is listed at $24.99. Shelly Flood (better spec).
Who should buy Aeotec Water Leak Sensor?
Choose Aeotec Water Leak Sensor if your priority is rating and weather resistance and that matters more than price.
Who should buy Shelly Flood?
Choose Shelly Flood if your priority is price and warranty and that matters more than rating.
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  16. Fibaro Flood Sensor (Z-Wave)
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  17. Aeotec Water Sensor 7 Pro
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  18. Fibaro Flood Sensor (HomeKit)
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  19. Shelly Flood
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  20. Heiman Smart Water Leakage Sensor
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Aeotec

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  1. Dongle
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  2. Dongle
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  3. Dongle
    Aeotec Zi-Stick
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  4. Hub
    Aeotec Smart Home Hub
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  5. Relay
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  6. Relay
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  7. Siren
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  8. Water Leak Sensor
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Shelly

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  2. Radiator Valve
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  6. Relay
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  7. Relay
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  8. Relay
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  9. Smoke & CO Detector
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  10. Temperature & Humidity Sensor
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  11. Water Leak Sensor
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