Centralite 3-Series Water Sensor vs Fibaro Flood Sensor (Z-Wave)

Updated September 2026

Data from Amazon and official Centralite and Fibaro sites.

2026 verdict

Z-Wave with tilt and a siren is the upgrade path.

Winner

Fibaro Flood Sensor (Z-Wave)

$66.12$78.5316% OFF

Buy on Amazon USA

The Fibaro Flood Sensor (Z-Wave) wins this water leak sensor comparison with temperature, tilt, tamper alerts, on-device sound and light, plus optional VDC power, on a Z-Wave hub for SmartThings and Home Assistant. The Centralite 3-Series Water Sensor is the cheaper Zigbee option with a 3-year CR2 battery and freeze alerts, but no local alarm and no tilt. Pick the Fibaro Flood Sensor (Z-Wave) for a full-featured Z-Wave flood node; pick the Centralite 3-Series Water Sensor for a simpler, cheaper Zigbee freeze puck.

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Feature	Centralite 3-Series Water Sensor	Fibaro Flood Sensor (Z-Wave)	Winner
Price	$19.95	$66.12	Centralite 3-Series Water Sensor
Rating	3.8	4.3	Fibaro Flood Sensor (Z-Wave)
Battery Life	3 years	2 years	Centralite 3-Series Water Sensor
Sensors	Water Leak, Temperature	Water Leak, Temperature, Tilt	Fibaro Flood Sensor (Z-Wave)
On Device Alert Sound	NO	YES	Fibaro Flood Sensor (Z-Wave)
On Device Alert Light	NO	YES	Fibaro Flood Sensor (Z-Wave)
Warranty	1 year	1 year	Tie
Weather Resistance	NO	NO	Tie
Connectivity	Zigbee	Z-Wave	Tie
Integrations	Samsung SmartThings, Home Assistant	Samsung SmartThings, Home Assistant	Tie
Alerts	Water Leak Alerts, Temperature Alerts, Freeze Temperature Alerts, Low Battery Alerts	Water Leak Alerts, Temperature Alerts, Freeze Temperature Alerts, Tamper Alerts	Tie

Centralite

Centralite 3-Series Water Sensor

$19.95

Buy on Amazon USA

+ Price: $19.95
+ Battery Life: 3 years
- Rating: 3.8 vs 4.3
- Sensors: Water Leak, Temperature vs Water Leak, Temperature, Tilt

Winner

Fibaro

Fibaro Flood Sensor (Z-Wave)

16% OFF

$66.12

$78.53

Buy on Amazon USA

+ Rating: 4.3
+ Sensors: Water Leak, Temperature, Tilt
+ On Device Alert Sound: YES
- Price: $66.12 vs $19.95
- Battery Life: 2 years vs 3 years

Frequently Asked Questions

Which is better overall, the Centralite 3-Series Water Sensor or the Fibaro Flood Sensor (Z-Wave)?

The Fibaro Flood Sensor (Z-Wave) wins overall with tilt sensing, a local siren and light, tamper alerts, and optional wired power. The Centralite 3-Series Water Sensor is cheaper and lasts longer on a CR2 cell.

What is the biggest difference between these two?

Protocol and extra sensors. The Fibaro Flood Sensor (Z-Wave) is a Z-Wave flood node with temperature, tilt, and a local alarm. The Centralite 3-Series Water Sensor is a silent Zigbee leak-and-freeze puck.

Can the Fibaro Flood Sensor (Z-Wave) be wired?

Yes. It lists optional VDC power alongside a CR123A battery rated for about 2 years. The Centralite 3-Series Water Sensor is battery-only.

Do they both work with SmartThings?

Yes. Both the Fibaro Flood Sensor (Z-Wave) and the Centralite 3-Series Water Sensor list SmartThings and Home Assistant. Fibaro needs a Z-Wave hub; Centralite needs a Zigbee hub.

Who should buy the Fibaro Flood Sensor (Z-Wave)?

Z-Wave homes that want leak, temperature, tilt, tamper, and a local siren in one node, with optional mains power.

Who should buy the Centralite 3-Series Water Sensor?

Zigbee SmartThings or Home Assistant users who want a cheaper leak-and-freeze puck without tilt or a local alarm.

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