# HomeWizard Watermeter

*HomeWizard / HWE-WTR*

> The HomeWizard Watermeter clips onto an analog water meter and reports water use over Wi-Fi. It runs on USB-C for live readings or on two CR123A batteries, which update the app four times a day. It suits Home Assistant users through an integration (local Wi-Fi control).

- Canonical page: https://smarthomecanon.com/devices/homewizard-watermeter
- Last checked: 2026-10-20

## Key facts

| Fact | Value |
| --- | --- |
| Brand | [HomeWizard](https://smarthomecanon.com/brands/homewizard) |
| Category | Flow meter |
| Model numbers | HWE-WTR |
| Status | Current[^1] |
| Type | Clip-on reader for analog water meters[^1] |
| Measures | Water use; smallest measurement unit 0.3 L[^1] |
| Connection | Wi-Fi 2.4 GHz b/g/n, WPA2 and WPA3[^1] |
| Power | USB-C (live data) or 2 x CR123A batteries (4 readings a day)[^1] |
| Max flow | 200 L/min on USB-C, 30 L/min on batteries[^1] |
| Mounting | Bracket set for Zenner, Sensus, Itron, Actaris, Hidroconta, Schlumberger, Elster, Honeywell, Maddalena MVM, DH Metering and Diehl Metering meters[^1] |
| History | 12 months in the app[^1] |
| Model code | withheld |
| Weight | 310 g[^1] |
| Local API | HTTP JSON API (v1), USB-C power only[^2][^1] |

## Integration paths

**How the HomeWizard Watermeter connects**

| Path | Requires | Local | Features lost |
| --- | --- | --- | --- |
| [Wi-Fi local](https://smarthomecanon.com/protocols/wifi-local) | Nothing extra[^1] | withheld | unknown |
| [Wi-Fi cloud](https://smarthomecanon.com/protocols/wifi-cloud) | Vendor cloud account[^3] | withheld | unknown |

**Platform support for the HomeWizard Watermeter**

| Path | Platform | Support | Integration |
| --- | --- | --- | --- |
| Wi-Fi local | [Home Assistant](https://smarthomecanon.com/platforms/home-assistant) | withheld | HomeWizard |
| Wi-Fi local | [Homey](https://smarthomecanon.com/platforms/homey) | withheld | com.homewizard |

## Related pages

- [HomeWizard energy and water meters](https://smarthomecanon.com/lines/homewizard-energy-and-water-meters) (line)
- [HomeWizard](https://smarthomecanon.com/brands/homewizard) (brand)
- [Wi-Fi with local control](https://smarthomecanon.com/protocols/wifi-local) (protocol)
- [Wi-Fi through a cloud service](https://smarthomecanon.com/protocols/wifi-cloud) (protocol)
- [Home Assistant](https://smarthomecanon.com/platforms/home-assistant) (platform)
- [Homey](https://smarthomecanon.com/platforms/homey) (platform)

## Sources

[^1]: Watermeter - HomeWizard shop. https://www.homewizard.com/shop/wi-fi-watermeter/ (manufacturer, checked 2026-10-20)
[^2]: HomeWizard API documentation: Introduction. https://api-documentation.homewizard.com/docs/introduction (manufacturer, checked 2026-10-20)
[^3]: Energy+ subscription - HomeWizard. https://www.homewizard.com/shop/energy-plus/ (manufacturer, checked 2026-10-20)