# Rachio 3 8-zone

*Rachio / 8ZULWC*

> The Rachio 3 8-zone is a Wi-Fi sprinkler controller for in-ground systems with 24 V AC zone valves, model 8ZULWC. It suits Google Home, Alexa, SmartThings and Home Assistant users through an integration (the maker's cloud).

- Canonical page: https://smarthomecanon.com/devices/rachio-3-8-zone
- Last checked: 2026-10-20

## Key facts

| Fact | Value |
| --- | --- |
| Brand | [Rachio](https://smarthomecanon.com/brands/rachio) |
| Category | Sprinkler controller |
| Model numbers | 8ZULWC |
| Status | Current[^1] |
| Type | Sprinkler controller[^1] |
| Zones | 8[^2] |
| Connectivity | Wi-Fi, 2.4 GHz or 5 GHz[^2] |
| Power | 24 V AC power adapter, included[^2] |
| Outdoor use | Needs the separate weatherproof enclosure outdoors[^1] |
| Works with | Alexa, Google Assistant, IFTTT, Alarm.com, SmartThings[^1] |

## Integration paths

**How the Rachio 3 8-zone connects**

| Path | Requires | Local | Features lost |
| --- | --- | --- | --- |
| [Wi-Fi cloud](https://smarthomecanon.com/protocols/wifi-cloud) | Wi-Fi network (2.4 or 5 GHz), Rachio app[^2] | unknown | unknown |

**Platform support for the Rachio 3 8-zone**

| Path | Platform | Support | Integration |
| --- | --- | --- | --- |
| Wi-Fi cloud | [Amazon Alexa](https://smarthomecanon.com/platforms/alexa) | Via integration[^1][^3] |  |
| Wi-Fi cloud | [Google Home](https://smarthomecanon.com/platforms/google-home) | Via integration[^1][^3] |  |
| Wi-Fi cloud | [Samsung SmartThings](https://smarthomecanon.com/platforms/smartthings) | Via integration[^1] |  |
| Wi-Fi cloud | [HomeKit](https://smarthomecanon.com/platforms/homekit) | unknown |  |
| Wi-Fi cloud | [Home Assistant](https://smarthomecanon.com/platforms/home-assistant) | withheld | rachio |
| Wi-Fi cloud | [Homey](https://smarthomecanon.com/platforms/homey) | withheld | com.verbem.rachio |

## Related pages

- [Rachio smart sprinkler controllers](https://smarthomecanon.com/lines/rachio-smart-sprinkler-controllers) (line)
- [Rachio](https://smarthomecanon.com/brands/rachio) (brand)
- [Wi-Fi through a cloud service](https://smarthomecanon.com/protocols/wifi-cloud) (protocol)
- [Amazon Alexa](https://smarthomecanon.com/platforms/alexa) (platform)
- [Google Home](https://smarthomecanon.com/platforms/google-home) (platform)
- [Samsung SmartThings](https://smarthomecanon.com/platforms/smartthings) (platform)
- [HomeKit](https://smarthomecanon.com/platforms/homekit) (platform)
- [Home Assistant](https://smarthomecanon.com/platforms/home-assistant) (platform)
- [Homey](https://smarthomecanon.com/platforms/homey) (platform)

## Sources

[^1]: Rachio 3 Smart Sprinkler Controller - Rachio. https://rachio.com/products/rachio-3 (manufacturer, checked 2026-10-17)
[^2]: Rachio Sprinkler Controller Models & Tech Specs - Rachio Help Center. https://support.rachio.com/en_us/rachio-sprinkler-controller-models-tech-specs-HyfTxF0YY (manufacturer, checked 2026-10-17)
[^3]: Rachio Smart Home Integrations - Rachio Help Center. https://support.rachio.com/en_us/smart-home-integrations-rJOy_UyYP (manufacturer, checked 2026-10-17)