Fibaro Flood Sensor (Z-Wave) vs Tapo T300 (2026)

Updated September 2026

Data from Amazon and official Fibaro and TP-Link sites.

2026 verdict

Battery life and buyer satisfaction push the Tapo T300 ahead of the Fibaro Flood Sensor (Z-Wave) in this water leak sensor comparison, backed by a lower price, weather resistance, and a wider list of supported integrations.

Winner

Tapo T300

$16.99$19.9915% OFF

Buy on Amazon USA

The Tapo T300 also runs longer between battery changes, a meaningful edge for a sensor that often sits forgotten under a sink. The Fibaro Flood Sensor (Z-Wave) still answers with a broader connectivity footprint and more categories of onboard sensing, adding tilt detection and tamper alerts alongside temperature monitoring that the Tapo lacks. Both sensors need a dedicated hub to operate. Pick the Tapo T300 if you want the better-reviewed, weatherproof sensor with a long battery life, and choose the Fibaro Flood Sensor (Z-Wave) if tilt and tamper sensing on top of leak and temperature detection matters more to you.

Fibaro

Fibaro Flood Sensor (Z-Wave)

16% OFF

$66.12

$78.53

Buy on Amazon USA

Winner

TP-Link

Tapo T300

15% OFF

$16.99

$19.99

Buy on Amazon USA

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.

Your subscription could not be saved. Please try again.

Your subscription has been successful.

Feature	Fibaro Flood Sensor (Z-Wave)	Tapo T300	Winner
Price	$66.12	$16.99	Tapo T300
Rating	4.3	4.6	Tapo T300
Weather Resistance	NO	IP67	Tapo T300
Battery Life	2 years	3 years	Tapo T300
Connectivity	Z-Wave	None	Fibaro Flood Sensor (Z-Wave)
Integrations	Samsung SmartThings, Home Assistant	Google Home, Alexa, Home Assistant	Tapo T300
Sensors	Water Leak, Temperature, Tilt	Water Leak	Fibaro Flood Sensor (Z-Wave)
Alerts	Water Leak Alerts, Temperature Alerts, Freeze Temperature Alerts, Tamper Alerts	Water Leak Alerts	Fibaro Flood Sensor (Z-Wave)
Warranty	1 year	1 year	Tie
On Device Alert Sound	YES	YES	Tie
On Device Alert Light	YES	YES	Tie

Fibaro

Fibaro Flood Sensor (Z-Wave)

16% OFF

$66.12

$78.53

Buy on Amazon USA

+ Connectivity: Z-Wave
+ Sensors: Water Leak, Temperature, Tilt
+ Alerts: Water Leak Alerts, Temperature Alerts, Freeze Temperature Alerts, Tamper Alerts
- Price: $66.12 vs $16.99
- Rating: 4.3 vs 4.6

Winner

TP-Link

Tapo T300

15% OFF

$16.99

$19.99

Buy on Amazon USA

+ Price: $16.99
+ Rating: 4.6
+ Weather Resistance: IP67
- Connectivity: None vs Z-Wave
- Sensors: Water Leak vs Water Leak, Temperature, Tilt

Frequently Asked Questions

Is the Fibaro Flood Sensor (Z-Wave) or the Tapo T300 the better water leak sensor?

The Tapo T300 wins overall on price, owner rating, weather resistance, and battery life. The Fibaro Flood Sensor (Z-Wave) counters with broader connectivity options and extra tilt and tamper sensing.

What is the biggest difference between the Fibaro Flood Sensor (Z-Wave) and the Tapo T300?

Hub protocol and onboard sensors. The Fibaro Flood Sensor (Z-Wave) runs on Z-Wave and adds tilt detection with tamper alerts, while the Tapo T300 uses a Sub-1GHz connection to a Tapo Hub and focuses on leak detection with a longer-rated battery.

Which sensor is weather-resistant?

The Tapo T300 carries an IP67 rating, while the Fibaro Flood Sensor (Z-Wave) has no confirmed weather-resistance rating.

Which one has more onboard sensors beyond water leak detection?

The Fibaro Flood Sensor (Z-Wave) does, adding a temperature sensor with freeze alerts and a tilt sensor with tamper alerts. The Tapo T300 is dedicated to water-leak detection alone.

Who should buy the Tapo T300?

Buy it if you want the better-rated, weather-resistant sensor with a longer battery life and you're fine adding a Tapo Hub.

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

Choose it if you already run Z-Wave and want a sensor that also tracks temperature and tilt with tamper alerts included.

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.

32 Water Leak Sensors
36 specs compared
33 filters

Open the full comparison

More Water Leak Sensors

Top Water Leak Sensors to compare next

Compare smart water leak sensors by power source, connectivity, water and temperature alerts, weather resistance, battery life, integrations, and automation features.

All Water Leak Sensors