Aeotec Water Sensor 7 Pro vs Eve Water Guard comparison

Updated July 2026

Data from Amazon and official Aeotec and Eve sites.

2026 verdict

The Eve Water Guard wins this water leak sensor comparison for HomeKit homes that want broad coverage, carrying a higher owner rating, a weather-resistant wired design, a 100dB on-device siren with alert light, and Thread connectivity that the Aeotec cannot match. Its standout is the 6.5 ft sensing cable, extendable up to 490 ft, so one unit can watch an entire kitchen or laundry run instead of a single spot. The Aeotec Water Sensor 7 Pro pushes back where it counts for automation buyers: it is more affordable, adds a temperature sensor and freeze alerts the leak-only Eve lacks, and runs on battery power over Z-Wave rather than needing a wall outlet. Choose the Eve Water Guard for HomeKit or Thread setups that want long-run cable coverage and a loud built-in alarm; pick the Aeotec Water Sensor 7 Pro for cheaper, battery-powered Z-Wave monitoring with freeze and temperature alerts.

Feature	Aeotec Water Sensor 7 Pro	Eve Water Guard	Winner
Price	$47.95	$78.99	Aeotec Water Sensor 7 Pro
Rating	4.1	4.6	Eve Water Guard
Weather Resistance	IP20	YES	Eve Water Guard
Connectivity	Z-Wave	Bluetooth, Thread Protocol	Eve Water Guard
Sensors	Water Leak, Temperature	Water Leak	Aeotec Water Sensor 7 Pro
Alerts	Water Leak Alerts, Temperature Alerts, Freeze Temperature Alerts	Water Leak Alerts	Aeotec Water Sensor 7 Pro
On Device Alert Sound	NO	YES	Eve Water Guard
On Device Alert Light	NO	YES	Eve Water Guard
Warranty	1 year	1 year	Tie
Integrations	Samsung SmartThings, Home Assistant	Apple HomeKit, Home Assistant	Tie

Aeotec

Aeotec Water Sensor 7 Pro

$47.95

Buy on Amazon USA

+ Price: $47.95
+ Sensors: Water Leak, Temperature
+ Alerts: Water Leak Alerts, Temperature Alerts, Freeze Temperature Alerts
- Rating: 4.1 vs 4.6
- Weather Resistance: IP20 vs YES

Winner

Eve

Eve Water Guard

28% OFF

$78.99

$109.95

Buy on Amazon USA

+ Rating: 4.6
+ Weather Resistance: YES
+ Connectivity: Bluetooth, Thread Protocol
- Price: $78.99 vs $47.95
- Sensors: Water Leak vs Water Leak, Temperature

Frequently Asked Questions

Which is better overall: Aeotec Water Sensor 7 Pro or Eve Water Guard?

The Eve Water Guard wins overall on its higher rating, an extendable sensing cable, weatherproofing, and a 100dB onboard siren, best for HomeKit and Thread homes. The Aeotec Water Sensor 7 Pro is cheaper and adds temperature and freeze alerts on battery-powered Z-Wave.

What is the biggest difference between these two sensors?

Coverage and power. The Eve Water Guard uses a wired design with a sensing cable that extends up to 490 ft and a loud siren, while the Aeotec Water Sensor 7 Pro is a battery-powered Z-Wave spot sensor that adds temperature and freeze alerts.

Which one covers a larger area?

The Eve Water Guard, thanks to a 6.5 ft sensing cable that extends up to about 490 ft to monitor a full appliance run. The Aeotec Water Sensor 7 Pro uses a shorter included probe cable and detects near the unit.

Which sensor also detects temperature?

Only the Aeotec Water Sensor 7 Pro does, with a temperature sensor and freeze alerts. The Eve Water Guard is a dedicated leak sensor with no temperature monitoring.

Who should buy the Eve Water Guard?

Buy it if you run Apple HomeKit or Thread, want a single sensor to cover a long run behind appliances via its extendable cable, and value a loud onboard siren.

Who should buy the Aeotec Water Sensor 7 Pro?

Choose it if you want a cheaper, battery-powered Z-Wave sensor for SmartThings or Home Assistant that also flags temperature and freezing conditions.

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