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| Feature | Aeotec Water Leak Sensor | Flume 2 Smart Water Monitor | Winner |
|---|---|---|---|
| Price | $39.99 | $199.00 | Aeotec Water Leak Sensor |
| Rating | 4.5 | 4.0 | Aeotec Water Leak Sensor |
| Weather Resistance | IP20 | YES | Flume 2 Smart Water Monitor |
| Connectivity | Zigbee | 2.4 GHz WiFi, Other | Flume 2 Smart Water Monitor |
| Integrations | Samsung SmartThings, Home Assistant | Google Home, Alexa, Home Assistant | Flume 2 Smart Water Monitor |
| Sensors | Water Leak, Temperature | Water Leak | Aeotec Water Leak Sensor |
| Alerts | Water Leak Alerts, Temperature Alerts, Freeze Temperature Alerts | Water Leak Alerts, Low Battery Alerts | Aeotec Water Leak Sensor |
| On Device Alert Sound | NO | NO | Tie |
| On Device Alert Light | NO | NO | Tie |
- + Price: $39.99
- + Rating: 4.5
- + Sensors: Water Leak, Temperature
- - Weather Resistance: IP20 vs YES
- - Connectivity: Zigbee vs 2.4 GHz WiFi, Other
- + Weather Resistance: YES
- + Connectivity: 2.4 GHz WiFi, Other
- + Integrations: Google Home, Alexa, Home Assistant
- - Price: $199.00 vs $39.99
- - Rating: 4.0 vs 4.5
Frequently Asked Questions
Which is better overall: Aeotec Water Leak Sensor or Flume 2 Smart Water Monitor?
The Aeotec Water Leak Sensor comes out ahead as a dedicated point sensor, with a lower price, a better owner rating, and dual water-leak and freeze-temperature sensing. The Flume 2 Smart Water Monitor is not really competing on the same terms though, since it monitors the whole house from the water meter rather than one spot.
What is the biggest difference between the Aeotec Water Leak Sensor and the Flume 2 Smart Water Monitor?
Detection method. The Aeotec Water Leak Sensor is a small puck that reacts when water physically touches its contacts, so it only sees leaks at its exact placement. The Flume 2 Smart Water Monitor straps to the outside of your water meter and reads total household water flow, catching leaks anywhere on the property, even ones that never reach a floor.
Do both sensors need a hub or bridge to work?
Yes, in different ways. The Aeotec Water Leak Sensor requires a Zigbee hub like Samsung SmartThings or Home Assistant. The Flume 2 Smart Water Monitor uses its own indoor Wi-Fi bridge, which talks to the meter sensor on a long-range radio and then joins your home Wi-Fi directly, no third-party hub required.
Which one has a local alarm sound?
Neither does. Both the Aeotec Water Leak Sensor and the Flume 2 Smart Water Monitor rely entirely on app notifications rather than an on-device siren or light.
Who should buy the Aeotec Water Leak Sensor?
Buyers with a Zigbee hub like SmartThings or Home Assistant who want an affordable, well-rated sensor for a specific spot, such as under a sink, near a water heater, or in a basement, with a useful freeze-alert bonus.
Who should buy the Flume 2 Smart Water Monitor?
Homeowners who want to catch leaks anywhere on the property, not just at a single placement, especially those with irrigation, a pool, or a history of unexplained high water bills, and who are comfortable with a device that reports usage rather than sitting on the floor waiting to get wet.
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