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NEO NAS-WV05B2-L in Home Assistant

Water · Zigbee · Smart sprinkler timer

Zigbee2MQTT Quirk included in ZHA 2 open reports

This device is known to both Zigbee integrations: Zigbee2MQTT has a definition for it, and ZHA has a quirk that adapts it.

Facts about this device

Brand
NEO
Model
NAS-WV05B2-L
Device type
Water
Radio
Zigbee
Power
Battery
Reports itself as
_TZE284_z7a2jmyy
Same device as
NEO NAS-WV03B
Also sold as
NEO NAS-WV05B2, Nous L14
Zigbee2MQTT
Device page on zigbee2mqtt.io

How the device gets into Home Assistant

  • official ZHA – with a Zigbee coordinator and the ZHA integration; the quirk the device needs is part of ZHA. Integration
  • add-on Zigbee2MQTT – Zigbee2MQTT runs as an add-on and passes the device on to Home Assistant over MQTT. Integration · Source

Known problems and fixes

Open problems

  • open The NEO NAS-WV03B water sensor incorrectly reports water volume units as gallons instead of litres for some fingerprints, causing confusion in Home Assistant. since August 26, 2026 · zha-device-handlers #5281

Requests for ZHA support

  • support requested A Smart Water Valve (TS0601) is not supported. Adding support would allow ZHA to control water flow via the valve. since September 3, 2025 · zha-device-handlers #4308

Changes proposed for ZHA

  • pull request A pull request proposes adding support for the Nous L14 smart water valve, which is not currently recognized by ZHA. This would enable ZHA to interact with the valve for water flow control. since October 17, 2026 · zha-device-handlers #5468

ZHA quirks for this device

Quirk included in ZHA Recommended quirk

Part of ZHA – Home Assistant uses it on its own, nothing to install.

Adds: Weather delay Time left Timer state Last valve open duration Timer duration Frost lock Frost lock reset Irrigation cycles Irrigation mode Irrigation duration +33

Source: zha-device-handlers · since zha-quirks 2.2.2
Signature: _TZE204_rzrrjkz2 / TS0601

28 more quirks for this device

All quirks in the ZHA quirk database →

Alternatives

The same job from other makers – devices of the same type and radio that work with Home Assistant too.

Sources: Zigbee2MQTT, ZHA quirks, Z-Wave JS, the Matter certification database, Shelly, ESPHome, Tasmota, Tuya Local and the issue trackers on GitHub. Reports are assigned to a device by the identifiers they contain; the sentences come from the integration pages, where a language model writes them from the titles.

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