Updated November 2026
Data from the official Honeywell Home and X-Sense sites.
2026 verdict
The X-Sense Wi-Fi Water Leak Detector is the cheaper, better-reviewed option in this pair, and it is the simpler device to own.
It runs up to three years on AAA cells, carries a five-year warranty, sounds a 110 dB alarm, and its six probes catch drips from above and pooling water below. The Resideo L1 WiFi Water Leak and Freeze Detector wins on reach and environment sensing: its cable runs to 500 ft with accessories, it tracks temperature and humidity, and it can pair with an L5 valve to shut the water off. Choose the X-Sense Wi-Fi Water Leak Detector for affordable point protection, and the Resideo L1 WiFi Water Leak and Freeze Detector when you need cable coverage or shutoff control.
Connectivity
- Wi-Fi 2.4 GHz
- Bluetooth
vs
Winner
25% OFF
Prime exclusive deal$11.99
$15.99
Join Prime to buy it at $11.99
Works with
News by email
Still comparing? Get what's new by email
New releases and the smart home news worth knowing, in your inbox.
No spam. Unsubscribe in one click.
The biggest differences
Where these two are furthest apart, and by how much.
- Warranty2.5×X-Sense Wi-Fi Water Leak Detector5 years vs 2 years
- Battery Life+50%X-Sense Wi-Fi Water Leak Detector3 years vs 2 years
| Feature | Resideo L1 WiFi Water Leak and Freeze Detector | X-Sense Wi-Fi Water Leak Detector | Winner |
|---|---|---|---|
| Price | $68.00 | $11.99 | X-Sense Wi-Fi Water Leak Detector |
| Rating | 3.6 | 4.5 | X-Sense Wi-Fi Water Leak Detector |
| Warranty | 2 years | 5 years | X-Sense Wi-Fi Water Leak Detector |
| Weather Resistance | IP44 | IP66 | X-Sense Wi-Fi Water Leak Detector |
| Battery Life | 2 years | 3 years | X-Sense Wi-Fi Water Leak Detector |
| Connectivity | 2.4 GHz WiFi, Bluetooth | Other | Resideo L1 WiFi Water Leak and Freeze Detector |
| Sensors | Water Leak, Temperature | Water Leak | Resideo L1 WiFi Water Leak and Freeze Detector |
| Alerts | Water Leak Alerts, Temperature Alerts, Freeze Temperature Alerts | Water Leak Alerts, Low Battery Alerts | Resideo L1 WiFi Water Leak and Freeze Detector |
| On Device Alert Light | YES | NO | Resideo L1 WiFi Water Leak and Freeze Detector |
| Integrations | None | Home Assistant | Tie |
| On Device Alert Sound | YES | YES | Tie |
What the differences mean
Coverage
The Resideo L1 WiFi Water Leak and Freeze Detector senses along a 5 ft cable that can extend to 500 ft, so one unit can watch a long run of pipe. The X-Sense Wi-Fi Water Leak Detector watches only the spot where its six probes sit.
Temperature and humidity
The Resideo L1 WiFi Water Leak and Freeze Detector tracks temperature and humidity and alerts when either leaves a set range. The X-Sense Wi-Fi Water Leak Detector detects water only, with no temperature sensing.
Shutoff pairing
Up to 30 Resideo L1 WiFi Water Leak and Freeze Detector units can drive an L5 valve to close the water main. The X-Sense Wi-Fi Water Leak Detector cannot control a valve.
Alarm and light
The Resideo L1 WiFi Water Leak and Freeze Detector has a 100 dBA buzzer and a blinking red LED. The X-Sense Wi-Fi Water Leak Detector is louder at 110 dB but has no alert light.
Battery, warranty and housing
The X-Sense Wi-Fi Water Leak Detector runs up to three years on AAA cells under a five-year warranty and is IP66 rated. The Resideo L1 WiFi Water Leak and Freeze Detector runs about two years on AA cells under a two-year warranty and is IP44, so the X-Sense lasts longer and shrugs off more water.
Which one to buy if
- a leak could run along a pipe or across a floor
The Resideo L1 WiFi Water Leak and Freeze Detector senses along its cable, not only at a single point.
- you want the leak to shut the water off automatically
Only the Resideo L1 WiFi Water Leak and Freeze Detector pairs with an L5 valve to close the water main.
- you want the lowest-cost, longest-lasting sensor
The X-Sense Wi-Fi Water Leak Detector is cheaper, runs up to three years and carries a five-year warranty.
- the sensor will sit somewhere damp
The X-Sense Wi-Fi Water Leak Detector is IP66 rated, against IP44 on the Resideo L1 WiFi Water Leak and Freeze Detector.
- you need to catch a drip from above
The X-Sense Wi-Fi Water Leak Detector has two top probes for drips from a fixture overhead.
$68.00
- + Connectivity: 2.4 GHz WiFi, Bluetooth
- + Sensors: Water Leak, Temperature
- + Alerts: Water Leak Alerts, Temperature Alerts, Freeze Temperature Alerts
- - Price: $68.00 vs $11.99
- - Rating: 3.6 vs 4.5
Winner
25% OFF
Prime exclusive deal$11.99
$15.99
- + Price: $11.99
- + Rating: 4.5
- + Warranty: 5 years
- - Connectivity: Other vs 2.4 GHz WiFi, Bluetooth
- - Sensors: Water Leak vs Water Leak, Temperature
What owners say
Owners of the X-Sense Wi-Fi Water Leak Detector say the same thing in different words: it is cheap, it is quick to fit, and it has caught a real leak, several describing a sump pump failure or a dishwasher leak stopped before it spread. The 110 dB alarm is a recurring point of praise, loud enough to notice from another room, and the six probes earn mention for catching both pooling water and drips from above. Their gripes are that it needs the SBS50 base station, that alerts stay in the X-Sense app unless Home Assistant pulls them in, and that the printed manual is very small.
Frequently Asked Questions
Which is better overall: Resideo L1 WiFi Water Leak and Freeze Detector or X-Sense Wi-Fi Water Leak Detector?
They suit different needs. The X-Sense Wi-Fi Water Leak Detector wins on price, battery, warranty and a louder alarm for point protection, while the Resideo L1 WiFi Water Leak and Freeze Detector wins on cable coverage, temperature and humidity sensing and shutoff pairing.
Which one can watch a long run of pipe?
The Resideo L1 WiFi Water Leak and Freeze Detector, whose 5 ft cable senses along its whole length and extends to 500 ft with accessory cables. The X-Sense Wi-Fi Water Leak Detector detects water only at its own body.
Can either sensor shut off the water?
The Resideo L1 WiFi Water Leak and Freeze Detector can, when paired with an L5 WiFi water leak shutoff valve, and up to 30 detectors can drive one valve. The X-Sense Wi-Fi Water Leak Detector cannot.
Do these sensors warn about temperature or freezing?
The Resideo L1 WiFi Water Leak and Freeze Detector tracks temperature and humidity and raises freeze alerts. The X-Sense Wi-Fi Water Leak Detector detects water only.
Which one lasts longer and has a better warranty?
The X-Sense Wi-Fi Water Leak Detector, rated up to three years on AAA cells with a five-year warranty and an IP66 body. The Resideo L1 WiFi Water Leak and Freeze Detector is rated about two years on AA cells with a two-year warranty and IP44.
Who should buy the X-Sense Wi-Fi Water Leak Detector?
Buyers who want an inexpensive, loud, long-lasting point alarm for sump pumps, water heaters or under appliances, and who do not need cable coverage or shutoff control.
Who should buy the Resideo L1 WiFi Water Leak and Freeze Detector?
Anyone who needs to watch a long run of pipe or a whole utility room, wants temperature and humidity monitoring, or plans to pair detectors with an automatic shutoff valve.
Spotted something wrong on this page? Tell us and we will fix it.
Our store on AmazonShop our ideas on AmazonLists of the smart home setups we would put together ourselves, ready to add to your Amazon cart.Shop on AmazonFull comparison table
Compare all 34 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.
- 34 Water Leak Sensors
- 37 specs compared
- 34 filters
- Water Leak Sensors
Water Leak Sensor 4
- Water Leak Sensors
Water Leak Sensor 1
- Water Leak Sensors
Tapo T300
- Water Leak Sensors
Water Guard
- Water Leak Sensors
Water Leak Sensor
- Water Leak Sensors
Water and Freeze Sensor
- Water Leak Sensors
Flood S Gen4
- Water Leak Sensors
Water Leak Detector 2
- Water Leak Sensors
Water Leak Detector (Sensor Cable Edition)
- Water Leak Sensors
Water Leak Detector
- Water Leak Sensors
Zigbee Water Leak Sensor
- Water Leak Sensors
Water Leak Sensor T1
- Water Leak Sensors
Flood Sensor (Z-Wave)
- Water Leak Sensors
Flood & Freeze Sensor E20
- Water Leak Sensors
Water Leak Sensor
- Water Leak Sensors
Water Sensor Alarm
- Water Leak Sensors
Smart Water Leakage Sensor
- Water Leak Sensors
Flood Sensor (HomeKit)
- Water Leak Sensors
Water Leak Sensor
- Water Leak Sensors
Flood Gen4
- Air Quality Monitors
XR0A-iR Wi-Fi Radon Detector
- Hubs
SBS50 Base Station
- Motion Sensors
Solar Outdoor Spotlight - Motion-Sensor
- Smoke & CO Detectors
SC07-MR Smart Smoke & CO Alarm
- Smoke & CO Detectors
SD19-MN Interconnected Smart Smoke Alarm
- Smoke & CO Detectors
Wi-Fi CO Alarm
- Smoke & CO Detectors
Wi-Fi Smoke Alarm
- Smoke & CO Detectors
WiFi Smoke & CO Detector
- Smoke & CO Detectors
XC0M-iR Smart Carbon Monoxide Alarm with Voice Alerts
- Smoke & CO Detectors
XP0J-iA Smart Hardwired Smoke & CO Alarm
- Temperature & Humidity Sensors
Smart WiFi Indoor Thermometer
- Temperature & Humidity Sensors
STH0B Smart Thermometer Hygrometer
- Water Leak Sensors
2-in-1 Wi-Fi Water Leak & Freeze Detector