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Best sellers, best water Leak Detectors
We also think that you deserve the best. That’s why on this page, we ranked water Leak Detectors from the most sold to the least sold. You have 40 products to choose from. Customers have the most interest in AQARA Water Leak Sensor T1, which you can buy for 18.90 € incl. VAT. If you’re intrested in water Leak Detectors in terms of the highest reviews, then look at the water Leak Detectors reviews and tests category.
All from 40
AQARA Water Leak Sensor T1
18.90 €
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Water Leak Detector - detects Water gas, battery-powered, compatible with Apple Home, Google Home, Samsung SmartThings, IFTTT and Aqara Home, connect via Bluetooth, battery...
SONOFF SNZB-05P Zigbee Water Leak Sensor
13.90 €
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Water Leak Detector - detects Water gas, battery-powered, range: 130 m, compatible with Samsung SmartThings, IFTTT and eWeLink, central unit required to function,, app with Czech...
SONOFF WLDC200 Water Leak Detection Cable
Discounted -22 %
7.63 €
9.89 €
In stock
Order by midnight, get it at the AlzaBox in the morning.
Info
Extension Cable
iGET SECURITY MP9, Water Detector for M6-4G
Great price
16.90 €
In stock 2 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Water Leak Detector - detects Water gas, battery-powered, range: 800 m, reaction time: 0,1s, sound level: 90dB, compatible with Manufacturer app, connection via radio waves,...
Homematic IP Water Stop and Supply Unit
1,141.16 €
Currently Unavailable
Water Leak Detector - detects Water gas, mains and battery power, compatible with Homematic IP, connection via radio waves, central unit required to function,, app with Czech...
RETLUX RSH 310 Smart Water Leak Sensor
16.90 €
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Water Leak Detector - detects Water gas, battery-powered, compatible with Tuya, Smartlife and Manufacturer app, connection via radio waves, battery indication, central unit...
ONDILO ICO Pool V2 Essential +, smart water monitor and calibration kit - Cl/Br disinfection
482.90 €
In stock 2 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Detector - smart water monitor, water temperature sensors, water quality analysis, intuitive, low maintenance
ONDILO ICO Spa V2 Essential +, smart water monitor and calibration kit - Cl/Br disinfection
482.90 €
On the way 3 pcs
Expected 02/11/2026
Detector - smart water monitor, for monitoring the water quality in the hot tub, compatible with chlorine and bromine sanitizers, intuitive, low maintenance
ONDILO ICO Pool V2 Essential +, smart water monitor and calibration kit - salt disinfection
523.90 €
On the way 1 pcs
Expected 22/10/2026
Detector - smart water monitor, sensors monitoring the water temperature, water quality analysis, intuitive, low maintenance, Compatible with systems using salt for water...
SAFE Water Guard, white
52.90 €
In stock 2 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Sensor - wireless water leak detector, the detector is powered by a replaceable battery that allows continuous operation for up to 3 years, colour white
AVATTO Zigbee Water Sensor
Price has not been set
Currently Unavailable
Sensor - ZigBee connection (ZigBee gateway required), compatible with Tuya/Smart Life, water leak detection (probe), in-app notifications (push notifications), local alarm, history...
Siemens Connected Home water leak detector SCH040ZB, ZigBee
77.05 €
Currently Unavailable
Water Leak Detector - detects Water gas, battery-powered, reaction time: 2s, sound level: 60dB, compatible with Connected Home, battery indication, central unit required to...
IMMAX NEO Smart Ultrasonic Liquid Level Sensor , 5 m, WiFi
Discounted -30 %
42.90 €
61.50 €
In stock
Order by midnight, get it at the AlzaBox in the morning.
Info
Sensor - precise measurement using ultrasonic technology, suitable for any type of liquid, IP65 resistance, possibility of connection to a smart water valve, Immax NEO PRO app in...
Shelly Gen4 Flood, flood sensor, Bluetooth
36.90 €
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Water Leak Detector - detects Humidity and Water gas, battery-powered, range: 2 m, sound level: 50dB, compatible with Apple Home, Google Home, Manufacturer app and Home Assistant,...
Meross Smart Water Leak Sensor
Discounted -23 %
12.94 €
16.90 €
In stock
Order by midnight, get it at the AlzaBox in the morning.
Info
Water Leak Detector - detects Water gas, battery-powered, sound level: 100dB, compatible with Apple Home, Google Home, Samsung SmartThings and Manufacturer app, connection via...
Gosund Intelligent Water Leak Sensor, Zigbee
Discounted -23 %
9.10 €
11.90 €
In stock
Order by midnight, get it at the AlzaBox in the morning.
Info
Water Leak Detector - detects Water gas, battery-powered, compatible with Tuya and Manufacturer app, central unit required to function,, app with Czech language support, app with...
SONOFF SNZB-05P Zigbee Water Leak Sensor & Detection Cable
Discounted -17 %
13.90 €
16.90 €
Currently Unavailable
Water Leak Detector - detects Water gas, battery-powered, range: 130 m, compatible with Samsung SmartThings, IFTTT and eWeLink, central unit required to function,, app with Czech...
SwitchBot Water Leak Detector with Sensor Cable
18.90 €
In stock 4 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Sensor - with an extended sensor length of 1 meter, detection of water level thresholds as low as 0.5 mm, loud alarm, notifications to your mobile phone via the SwitchBot app,...
SwitchBot Water Leak Detector
22.90 €
Currently Unavailable
Sensor - detection of water level thresholds as low as 0.5 mm, loud alarm, notifications to your mobile phone via the SwitchBot app, sensor compatibility with Wi-Fi and Bluetooth,...
Eufy Security Water and Freeze Sensor
41.90 €
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Water Leak Detector - detects Water gas, battery-powered, range: 200 m, compatible with Google Home and Manufacturer app, connect via WiFi 2,4 GHz, central unit required to...
Meross Smart Water Leak Sensor
Discounted -31 %
16.99 €
24.90 €
In stock
Order by midnight, get it at the AlzaBox in the morning.
Info
Sensor - water leak sensor, for a safe home, It works 24/7, powered by replaceable CR123A battery (lifetime 18 months), battery indicator, IP67 waterproof, alerts via the app, 60...
Meross Smart Water Leak Sensor Kit
Discounted -38 %
14.77 €
23.90 €
In stock
Order by midnight, get it at the AlzaBox in the morning.
Info
Water Leak Detector - detects Water gas, mains and battery power, sound level: 60dB, compatible with Apple Home, Samsung SmartThings and Manufacturer app, connect via WiFi 2,4 GHz,...
![Ajax WaterStop [3/4] (8EU) white - Remote controlled water shut-off valve (3/4") - Water Leak Detector](https://image.alza.cz/products/AJAX23_028/AJAX23_028.jpg?width=190&height=190)
No longer sold
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