This page lists the technical specifications for Water Sensor 8 and forms part of the larger Water Sensor 8 user guide and Water Sensor Pro user guide.


Name: Water Sensor 8

Model number: 

US: ZWA056-A

AU: ZWA056-B

EU: ZWA056-C

Z-Wave Product ID: 

EU: 0371.0002.0038

AU: 0371.0102.0038

US: 0371.0202.0038

Sensors: Water Contact Sensor, Temperature, Humidity, Dew Point

Product Dimensions: 69.9 x 17.8 x 19.6 mm

Probe Length: 69.5 in / 5.8 ft / 176.53 cm

Probe Dimensions: 40.8 x 19.4 x 9 mm

Radio protocolZ-Wave Plus 2 (Series 800)

Z-Wave hardware: EFR32ZG23

Z-Wave Version: 7.22 or later

Radio frequency

868.4 - 869.8 MHz EU

904 - 916 MHz US

Z-Wave Plus Certified: Yes

Z-Wave TX Power: 14dBm

S2 Security: Yes 

Smart Start: Yes

Long Range: Yes

Repeater: Yes (when paired on USB power and continued use on USB)

Beaming: No

Power supply: USB (optional)

USB Working Current: 12mA

USB Standby Current: 6mA

Battery: 1x CR14250

Battery Working Current: 12mA

Battery Standby Current: 20uA

Battery Voltage range of operation: 2.4 - 3.3 VDC

Battery life: With factory default setting up to 2 years.

LED Indicator Color: Red/Green

Humidity range: 0 to 98% RH (±3%)

Temperature range: -10 to 60°C (± 1.0°C) / 14 to 140°F (±1.8°F) 

Operating humidity: 10 to 95%

Operating temperature: 0°C to 40°C / 32°F to 104°F

Storage temperature: -30°C to 70°C / -20°F to 158°F

Operating distance:

More than 40 meters indoors / More than 131 feet indoors.

Up to 150 meters outdoors / Up to 492 feet outdoors.



Specifications subject to change without notice due to continuing product improvement.