Winner
Updated July 2026
Data from Amazon and official Fibaro and Honeywell Home sites.
2026 verdict
Fibaro Flood Sensor (Z-Wave) wins the 2026 matchup against Resideo L1 WiFi Water Leak and Freeze Detector, mainly on price, rating, and integrations. Its biggest wins come from price, rating, and integrations, and sensors and alerts add more confidence to the verdict. Pick Resideo L1 WiFi Water Leak and Freeze Detector only when warranty, weather resistance, and connectivity are the deciding factor for your setup. That makes Fibaro Flood Sensor (Z-Wave) the clearer recommendation in 2026.
Price alerts
Water Leak Sensor prices change while you decide
We check the price of every Water Leak Sensor in the catalog daily and email you the drops, whichever one you pick.
| Feature | Fibaro Flood Sensor (Z-Wave) | Resideo L1 WiFi Water Leak and Freeze Detector | Winner |
|---|---|---|---|
| Price | $66.12 | $68.00 | Fibaro Flood Sensor (Z-Wave) |
| Rating | 4.3 | 3.7 | Fibaro Flood Sensor (Z-Wave) |
| Warranty | 1 year | 2 years | Resideo L1 WiFi Water Leak and Freeze Detector |
| Weather Resistance | NO | IP44 | Resideo L1 WiFi Water Leak and Freeze Detector |
| Connectivity | Z-Wave | 2.4 GHz WiFi, Bluetooth | Resideo L1 WiFi Water Leak and Freeze Detector |
| Integrations | Samsung SmartThings, Home Assistant | None | Fibaro Flood Sensor (Z-Wave) |
| Sensors | Water Leak, Temperature, Tilt | Water Leak, Temperature | Fibaro Flood Sensor (Z-Wave) |
| Alerts | Water Leak Alerts, Temperature Alerts, Freeze Temperature Alerts, Tamper Alerts | Water Leak Alerts, Temperature Alerts, Freeze Temperature Alerts | Fibaro Flood Sensor (Z-Wave) |
| Battery Life | 2 years | 2 years | Tie |
| On Device Alert Sound | YES | YES | Tie |
| On Device Alert Light | YES | YES | Tie |
Winner
16% OFF
$66.12
$78.53
- + Price: $66.12
- + Rating: 4.3
- + Integrations: Samsung SmartThings, Home Assistant
- - Warranty: 1 year vs 2 years
- - Weather Resistance: NO vs IP44
$68.00
- + Warranty: 2 years
- + Weather Resistance: IP44
- + Connectivity: 2.4 GHz WiFi, Bluetooth
- - Price: $68.00 vs $66.12
- - Rating: 3.7 vs 4.3
Frequently Asked Questions
Which is better overall: Fibaro Flood Sensor (Z-Wave) or Resideo L1 WiFi Water Leak and Freeze Detector?
Fibaro Flood Sensor (Z-Wave) has the stronger overall profile in this comparison, especially for price, rating, and integrations.
What is the biggest difference between Fibaro Flood Sensor (Z-Wave) and Resideo L1 WiFi Water Leak and Freeze Detector?
Price is one of the clearest differences: Fibaro Flood Sensor (Z-Wave) lists $66.12, while Resideo L1 WiFi Water Leak and Freeze Detector lists $68.00.
Which one looks better on price?
Fibaro Flood Sensor (Z-Wave) is listed at $66.12, while Resideo L1 WiFi Water Leak and Freeze Detector is listed at $68.00. Fibaro Flood Sensor (Z-Wave) (better spec).
Who should buy Fibaro Flood Sensor (Z-Wave)?
Choose Fibaro Flood Sensor (Z-Wave) if your priority is price and rating and that matters more than warranty.
Who should buy Resideo L1 WiFi Water Leak and Freeze Detector?
Choose Resideo L1 WiFi Water Leak and Freeze Detector if your priority is warranty and weather resistance and that matters more than price.
Full comparison table
Compare all 31 Water Leak Sensors side by side
You are looking at two of them. The full table lines up all Water Leak Sensors in the catalog with the same specs, so you can filter by what you need and sort by price or rating.
- 31 Water Leak Sensors
- 36 specs compared
- 33 filters
YoLinkWater Leak Sensor 4
29% OFF$23.99$17.09
YoLinkWater Leak Sensor 1
$16.99
X-SenseWi-Fi Water Leak Detector
29% OFF$15.99$11.39
TP-LinkTapo T300
$19.99
SwitchBotWater Leak Detector
13% OFF$16.49$14.29
AeotecWater Leak Sensor
$39.99
EufyWater and Freeze Sensor
$34.99
EveWater Guard
$109.95
GoveeWater Leak Detector 2
20% OFF$69.99$55.99
AqaraWater Leak Sensor T1
HeimanSmart Water Leakage Sensor
$19.99
SwitchBotWater Leak Detector (Sensor Cable Edition)
15% OFF$19.99$16.98- Fibaro
Flood Sensor (Z-Wave)
16% OFF$78.53$66.12 
SonoffZigbee Water Leak Sensor
$14.99
AqaraWater Leak Sensor
$18.99
GoveeWater Sensor Alarm
$15.99
ShellyFlood Gen4
$39.99
FibaroFlood Sensor (HomeKit)
$43.28
AeotecWater Sensor 7 Pro
$47.95
ArloAll-in-One Sensor
7% OFF$29.99$27.90
Door & Window SensorsFibaroDoor / Window Sensor 2
$50.45
Door & Window SensorsFibaroDoor / Window Sensor
$48.53
HubsFibaroHome Center Lite
$149.00
Motion SensorsFibaroFGBHMS-001
$56.10
PlugsFibaroWall Plug (EU)
PlugsFibaroWall Plug with USB (US)
$51.28- Water Leak SensorsFibaro
Flood Sensor (Z-Wave)
16% OFF$78.53$66.12 - Water Leak SensorsFibaro
Flood Sensor (HomeKit)
$43.28
ThermostatsHoneywell HomeRTH9585WF Wi-Fi Smart Color Thermostat
33% OFF$179.99$120.00
ThermostatsHoneywell HomeT5 Smart Thermostat
28% OFF$109.99$79.06
ThermostatsHoneywell HomeT9 Smart Thermostat
$209.99
ThermostatsHoneywell HomeX2S Smart Thermostat
21% OFF$79.98$62.99
ThermostatsHoneywell HomeX7S Smart Thermostat
23% OFF$179.99$139.48
ThermostatsHoneywell HomeX8S Smart Thermostat
$259.99
Water Leak SensorsHoneywell HomeL1 WiFi Water Leak and Freeze Detector
$68.00