Rachio 3

Smart Sprinkler Controller


The Rachio 3 Smart Sprinkler Controller raises the smart watering bar with foolproof installation, dual-band Wi-Fi and an expressive light bar. Rachio 3 is the only controller equipped with hyperlocal Weather Intelligence™ Plus and Rachio Wireless Flow Meter compatibility.


Beyond smart watering control.

Sleek, powerful hardware. Hyperlocal Weather Intelligence™ Plus. Rachio Wireless Flow compatibility. The Rachio 3 Smart Sprinkler Controller was designed for the future of smart watering.


Connect and expand.

Rachio 3 is the most connected controller on the market, designed to extend your smart home outdoors.

  • Works with favorite smart home devices, platforms.

  • Compatible with the Rachio Wireless Flow Meter.

  • Dual band Wi-Fi (2.4 GHz / 5 GHz).

  • Extended range with long-distance Flex radio.


Start watering smarter, faster.

Our engineers examined every detail of Rachio 3 to streamline and shave minutes off your installation. Ready, set, water.

  • Easy-press connectors make wiring a snap.

  • Connect with both 14 & 18 gauge wires.

  • Magnetic cover locks right into place.

  • We’re here to help if you need it - but we’re betting you won’t.



Worry-free watering with the Rachio App.

Your personal watering assistant helps you monitor and manage watering from anywhere with robust smartphone control. Create perfectly tailored schedules, make automatic weather adjustments and maintain the perfect yard - without lifting a finger.

Water smarter with best-in-class features.

  • Precise remote control with run, pause, skip or Quick Run.

  • Guided schedule setup creates tailored, accurate schedules.

  • Automatic, hyperlocal schedule adjustments with Weather Intelligence™ Plus.


Weather Intelligence™ Plus, a Rachio 3 exclusive.

Premium Weather Intelligence™ Plus pinpoints the forecast in your exact location - within a 36 foot radius - then adjusts watering accordingly.

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.


Three steps to smarter watering.

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!


Upgrade to a Rachio 3 Smart Water System.

Take smart watering to the next level with the Rachio Smart Water System. Pair Rachio 3 with the groundbreaking Rachio Wireless Flow Meter to detect leaks and fine-tune watering accuracy. It’s the ultimate smart watering experience.





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, 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 - 2.5mm 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.



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.

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