Rachio 3 Pro, 8 Zone Smart Sprinkler Controller, 8ZULWC-PS



Smart Sprinkler Controller

Rachio 3 Pro

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.


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.

  • Connect and expand.

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

    • Works with favorite smart home devices, platforms.

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

    • Compatible with both Android and iOS platforms.

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.

  • Advanced Rachio technology.


Weather Intelligence™ Plus, a Rachio 3 exclusive.

Premium Weather Intelligence Plus pinpoints the forecast - then adjusts watering accordingly.

Using comprehensive satellite, radar and weather station data from more than a quarter million sources, Rachio will never be caught watering in the rain, wind or snow.


hree steps to smarter watering.

Installing the Rachio 3 Smart Sprinkler Controller can take only 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 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, 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

Wire Terminals

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

Master Valve

Compatible with master valve, pump relay, or indexing valve


Extended 4-year warranty when purchasing Pro Units/SKUs

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