# Rachio smart sprinkler controllers

*Rachio / 3 models*

> The Rachio 3 is Rachio's sprinkler controller on sale, in 8-zone and 16-zone versions that connect over Wi-Fi. Rachio lists Alexa, Google Assistant, Apple Shortcuts, IFTTT, Alarm.com, Control4 and Nexia for its sprinkler controllers. Outdoor installs need the separate Rachio 3 Weatherproof Enclosure. The EveryDrop Flow Meter connects to a Rachio 3 or Generation 2 controller and adds flow data and leak alerts in the Rachio app. Rachio's model list also names 4-zone, 6-zone and 12-zone Rachio 3 models and the Generation 1, Generation 2 and 3e controllers.

- Canonical page: https://smarthomecanon.com/lines/rachio-smart-sprinkler-controllers
- Last checked: 2026-10-17

## Key facts

| Fact | Value |
| --- | --- |
| Brand | [Rachio](https://smarthomecanon.com/brands/rachio) |
| Models | 3 |
| Current | 3 |

## Currently sold

**Rachio smart sprinkler controllers: models on sale now**

| Model | Series | Released |
| --- | --- | --- |
| [Rachio 3 8-zone](https://smarthomecanon.com/devices/rachio-3-8-zone) | Rachio 3 8-zone | unknown |
| [Rachio 3 16-zone](https://smarthomecanon.com/devices/rachio-3-8-zone) | Rachio 3 16-zone | unknown |
| [Rachio EveryDrop Flow Meter](https://smarthomecanon.com/lines/rachio-smart-sprinkler-controllers#rachio-everydrop-flow-meter) | EveryDrop Flow Meter | unknown |

## Lineup

**Rachio smart sprinkler controllers: every model**

| Model | Model numbers | Type | Zones | Connectivity | Power | Outdoor use | Works with | Status |
| --- | --- | --- | --- | --- | --- | --- | --- | --- |
| [Rachio 3 8-zone](https://smarthomecanon.com/devices/rachio-3-8-zone) | 8ZULWC | Sprinkler controller[^1] | 8[^2] | Wi-Fi, 2.4 GHz or 5 GHz[^2] | 24 V AC power adapter, included[^2] | Needs the separate weatherproof enclosure outdoors[^1] | Alexa, Google Assistant, IFTTT, Alarm.com, SmartThings[^1] | Current[^1] |
| [Rachio 3 16-zone](https://smarthomecanon.com/devices/rachio-3-8-zone) | 16ZULWC | Sprinkler controller[^1] | 16[^2] | Wi-Fi, 2.4 GHz or 5 GHz[^2] | 24 V AC power adapter, included[^2] | Needs the separate weatherproof enclosure outdoors[^1] | Alexa, Google Assistant, IFTTT, Alarm.com, SmartThings[^1] | Current[^1] |
| [Rachio EveryDrop Flow Meter](https://smarthomecanon.com/lines/rachio-smart-sprinkler-controllers#rachio-everydrop-flow-meter) |  | Flow meter[^3] | unknown | Wired to the controller's sensor terminal[^3] | Powered through the controller wiring (wired model)[^3] | unknown | Works with Rachio 3 and Generation 2 controllers; not Generation 1[^3] | Current[^3] |

## Compatibility notes

**What works with what**

| Model | Works with |
| --- | --- |
| EveryDrop Flow Meter | Rachio 3, Rachio Generation 2 controllers[^3] |

## Related pages

- [Rachio](https://smarthomecanon.com/brands/rachio) (brand)
- [Rachio 3 8-zone](https://smarthomecanon.com/devices/rachio-3-8-zone) (device)

## 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]: EveryDrop Flow Meter - Rachio. https://rachio.com/products/everydrop-flow-meter (manufacturer, checked 2026-10-17)