Bosch BWA-1
| Model | BWA-1 | 
| Vendor | Bosch | 
| Description | Zigbee smart water leak detector | 
| Exposes | water_leak, battery, tamper, alarm_on_motion, linkquality | 
| Picture | ![]()  | 
    
Notes
Pairing
To pair this device you have to install the device via its installation code. The installation code can be obtained by scanning the QR-code on the inside of the battery cover with your smartphone. Then get the device into pairing mode. In zigbee2mqtt navigate to “Settings” –> “Tools” and click on “Add install code”. Paste the code you got from the QR-code and confirm by clicking “OK” which will get zigbee2mqtt into pairing mode automatically. Wait for your device to be joined.
Exposes
Water_leak (binary)
Indicates whether the device detected a water leak.
Value can be found in the published state on the water_leak property.
It’s not possible to read (/get) or write (/set) this value.
If value equals true water_leak is ON, if false OFF.
Battery (numeric)
Remaining battery in %, can take up to 24 hours before reported..
Value can be found in the published state on the battery property.
It’s not possible to read (/get) or write (/set) this value.
The minimal value is 0 and the maximum value is 100.
The unit of this value is %.
Tamper (binary)
Indicates whether the device is tampered.
Value can be found in the published state on the tamper property.
It’s not possible to read (/get) or write (/set) this value.
If value equals true tamper is ON, if false OFF.
Alarm_on_motion (binary)
Enable/Disable sound alarm on motion.
Value can be found in the published state on the alarm_on_motion property.
To read (/get) the value publish a message to topic zigbee2mqtt/FRIENDLY_NAME/get with payload {"alarm_on_motion": ""}.
To write (/set) a value publish a message to topic zigbee2mqtt/FRIENDLY_NAME/set with payload {"alarm_on_motion": NEW_VALUE}.
If value equals ON alarm_on_motion is ON, if OFF OFF.
Linkquality (numeric)
Link quality (signal strength).
Value can be found in the published state on the linkquality property.
It’s not possible to read (/get) or write (/set) this value.
The minimal value is 0 and the maximum value is 255.
The unit of this value is lqi.
