Centralite 3-Series Water Sensor vs Eve Water Guard (2026)

Updated September 2026

Data from Amazon and official Centralite and Eve sites.

2026 verdict

Mains power and a sensing cable define the Eve Water Guard, which wins this water leak sensor comparison over the battery Centralite 3-Series Water Sensor.

Winner

Eve Water Guard

$109.95

Buy on Amazon USA

Eve is weather-resistant, Thread and Bluetooth based, with a loud on-device siren and light, native Apple HomeKit, Home Assistant, and Matter coming soon. Centralite is far more affordable, adds temperature and freeze alerts, and runs for 3 years on a CR2 cell over Zigbee. Choose the Eve Water Guard for a wired HomeKit leak line you never want to battery-swap; choose the Centralite 3-Series Water Sensor for a cheap Zigbee freeze sensor.

Centralite

Centralite 3-Series Water Sensor

$19.95

Buy on Amazon USA

Winner

Eve

Eve Water Guard

$109.95

Buy on Amazon USA

Price alerts

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Feature	Centralite 3-Series Water Sensor	Eve Water Guard	Winner
Price	$19.95	$109.95	Centralite 3-Series Water Sensor
Rating	3.8	4.5	Eve Water Guard
Weather Resistance	NO	YES	Eve Water Guard
Connectivity	Zigbee	Bluetooth, Thread Protocol	Eve Water Guard
Sensors	Water Leak, Temperature	Water Leak	Centralite 3-Series Water Sensor
Alerts	Water Leak Alerts, Temperature Alerts, Freeze Temperature Alerts, Low Battery Alerts	Water Leak Alerts	Centralite 3-Series Water Sensor
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

Centralite

Centralite 3-Series Water Sensor

$19.95

Buy on Amazon USA

+ Price: $19.95
+ Sensors: Water Leak, Temperature
+ Alerts: Water Leak Alerts, Temperature Alerts, Freeze Temperature Alerts, Low Battery Alerts
- Rating: 3.8 vs 4.5
- Weather Resistance: NO vs YES

Winner

Eve

Eve Water Guard

$109.95

Buy on Amazon USA

+ Rating: 4.5
+ Weather Resistance: YES
+ Connectivity: Bluetooth, Thread Protocol
- Price: $109.95 vs $19.95
- Sensors: Water Leak vs Water Leak, Temperature

Frequently Asked Questions

Which is better overall: the Centralite 3-Series Water Sensor or the Eve Water Guard?

The Eve Water Guard wins overall as a wired, weather-resistant Thread leak alarm with a sensing cable, a local siren and light, and native Apple HomeKit. The Centralite 3-Series Water Sensor is the cheaper battery Zigbee freeze puck.

What is the biggest difference between the Eve Water Guard and the Centralite 3-Series Water Sensor?

Power and radio. The Eve Water Guard is a wired Thread and Bluetooth device with an included sensing cable. The Centralite 3-Series Water Sensor is a battery Zigbee puck with a thermometer and no cable.

Does the Eve Water Guard detect freeze?

No. The Eve Water Guard is leak-only (via its sensing cable). The Centralite 3-Series Water Sensor includes temperature and freeze alerts.

Which one supports Apple HomeKit?

The Eve Water Guard supports Apple HomeKit natively, with Home Assistant and Matter coming soon. The Centralite 3-Series Water Sensor does not list HomeKit.

Who should buy the Eve Water Guard?

Apple Home households that want a wired leak alarm with a sensing cable and a local siren, and do not want to manage batteries.

Who should buy the Centralite 3-Series Water Sensor?

Zigbee SmartThings or Home Assistant users who want an affordable battery leak-and-freeze puck.

Full comparison table

Compare all 32 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.