Rachio 3 Smart Lawn Sprinkler WiFi Controller Alexa Compatible

Rachio 3 Smart Lawn Sprinkler

The Rachio 3 Smart Lawn Sprinkler Controller raises the smart watering bar with foolproof installation, dual-band Wi-Fi and an expressive light bar.

Rachio Smart Lawn Sprinkler is your personal watering assistant that helps you monitor and manage watering from anywhere with an incredible smartphone control. The Rachio 3 lets you create perfectly tailored schedules, make automatic weather adjustments and maintain the perfect yard – without lifting a finger. Rachio 3 is the only controller equipped with hyperlocal Weather Intelligence™ Plus and Rachio Wireless Flow Meter compatibility.

Premium Weather Intelligence™ Plus uses the world’s most accurate weather monitoring to automatically update watering schedules to the forecast in your specific location.

Rachio 3 Smart Lawn Sprinkler

Using comprehensive satellite, radar and weather station data from more than a quarter million sources, Rachio makes sure you’re never caught watering in the rain, wind or snow.

Rachio 3 Smart Lawn Sprinkler

Rachio engineers examined every detail of the Rachio 3 Smart Lawn Sprinkler to streamline and shave minutes off product installation. Ready, set, water.

  • Easy-press connectors make wiring a snap.
  • Connect with both 14 & 18 gauge wires.
  • Magnetic cover locks right into place.
Rachio 3 Smart Lawn Sprinkler

Install the Rachio 3 Smart Sprinkler Controller in 30 minutes or less, no special tools required. Guided setup and one-touch connectors make getting started simple – breeze through installation in just three easy steps!

Rachio 3 Smart Lawn Sprinkler

Rachio 3 Technical Specifications

In the box

  • Rachio 3 Smart Sprinkler Controller
  • Power supply with 6-ft cord
  • Mounting hardware
  • Quick start guide

App Compatibility

iOS 10.3+ and Android 4.4+; subject to change. Mobile app is required to connect the controller to Wi-Fi. Web app available on most browsers.


Works with Nest, Amazon Alexa, Apple HomeKit, The Google Assistant, IFTTT, Wink, Control4, Nexia and others.


8-zone and 16-zone models.

Size and Weight

  • Dimensions: 9.1” x 5.5” x 1.4”
  • Weight: 1.05 Lbs

Power requirements

The Rachio controller must be connected to the AC power adapter included. DC Transformers are not supported.

  • Power Supply: External Transformer (6-ft cord – 2.1mm x 5.5mm Female barrel plug)
  • Transformer input: 120 VAC ~60Hz 300mA
  • Transformer output: 24 VAC 1000mA
  • Zone output (24 VAC): Compatible with 24VAC Solenoids

Operating Temperature

Operating temperature: -4°F to 140°F

Wi-Fi Connection

2.4 or 5 GHz wireless network signal available at the installation location


  • Rain Sensor: Wired & Wireless Normally Closed (NC) sensors
  • Soil Sensor: Wired & Wireless Normally Closed (NC) sensors
  • Wired Flow Sensors
  • Wireless Rachio Flow Meter (coming soon)

Wire Terminals

Smart wire terminals sense which zones are active, and provide feedback if your irrigation system might have a problem

Master Valve

Compatible with master valve, pump relay, or indexing valve.


2-year limited warranty

Power Disruption

In the event of Wi-Fi outage or intermittency, the controller’s memory retains the last saved schedule received from the Rachio cloud and maintains the schedule until an update can be downloaded.

Optional Outdoor Enclosure

Custom outdoor enclosure is available. Enclosure is weatherproof and allows for hardwiring.

Rachio 3 Smart Lawn Sprinkler

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