Description
About this item
WiFi signal conveniently places control of your timer in the palm of your hand
Super easy to program; allows access to timer functions from anywhere in the world
Compatible with: Amazon Alexa, Google Assistant, Apple iOS 8 or greater, and Android 4.4 (KitKat) or later
Access timer functions via: wireless network, in-range mobile device, or directly through control panel
Daily watering schedule automatically adjusts based on season, local weather, temperature, and humidity
Enable Notifications in the Rain Bird app to be informed of what’s happening in your yard even when away from home
Watering Delay feature suspends watering from 1 to 14 days; programming resumes automatically once delay has ended
Provides up to 6 Start Times per zone with Run Times from 0-199 minutes
All timer settings stored indefinitely in memory, no need to re-program in case of power outage.
EPA WaterSense certified to provide at least a 20% water-savings over non-certified timers
From the manufacturer
Rain Bird ST8-2.0 WiFi Smart Irrigation Timer

Smart Watering Made Simple
Customize schedules help optimize water usage and prevent overwatering
Track water usage trends to improve conservation efforts
Meets EPA WaterSense criteria – Independently certified by ICC-ES for efficiency and performance
This product may be eligible for a rebate, check with your local water agency

Put control of your sprinkler system in the palm of your hand
Intuitive interface: Every watering zone schedule can be set with a different name, picture, frequency, start time and run time to ensure your plants are healthy and you have a lower water bill.
Multi-function display: Large LCD and universal icons for visibility of all controller operations.
Flexibility: Keep your lawn healthy with zone-based scheduling and 6 start times.
Rugged design: Robust set screw terminals for AC power, valve connections, master valve/pump start relay and rain/rain freeze sensor. Outdoor models come preinstalled in a contractor-grade case to withstand even the harshest environments.
Power cord: 6′ power cord with transformer plug.
WiFi out-of-the-box: WiFi-based remote monitoring and control with the free Rain Bird App.
Set up customized watering schedules to ensure a healthy, beautiful landscape saving you time and money

Scheduling Features
Zone-based scheduling allows for Run Times, Start Times and Watering Days to be fully customizable by zone
6 independent Start Times per zone
4 watering frequency options by zone: Custom days of week, ODD calendar days, EVEN calendar days, Cyclic (every 1-14 days)

Automatic Seasonal Adjust
Automatic seasonal adjust changes daily watering to match the season, local weather, temperature, and humidity
Watering delay can be activated for 1-14 days
Optional notifications provide alerts for watering events, freeze warnings, or when watering has been delayed

Timer Features
Up to 8 zones
Rain or rain/freeze sensor compatible
Master valve/pump start circuit
Non-Volatile (100-year) program memory
2 x AAA batteries for time and date backup (included)
Programmable at timer interface under battery power
WiFi-ready out-of-the-box with the LNK2 WiFi Module

App Features
Adjust irrigation settings from anywhere using a smartphone or tablet
Start, stop, or delay watering schedules without needing to be at the controller
Weather-based adjustments automatically adapt to real-time conditions
Get alerts about system status, watering cycles, or potential issues
Install with confidence

If You’re Replacing an Existing Controller
Take a photo of your current controller wiring details to reference when installing the new controller.
Unplug power cord from AC power outlet and disconnect all wires from the controller.

Mount the New Controller
Choose a mounting location within 6′ of an AC power outlet and at least 15′ from major appliances or air conditioners.
Drive a mounting screw into the wall.
Locate keyhole slot on back of controller and hang it securely.
Remove wire bay cover and drive a second screw through the open hole into the wall.

Connect the Valve Wiring
Remove wire bay cover and route all field wires through the rightmost opening at bottom of controller into the wiring compartment.
Connect one wire from each valve to one of the numbered station terminals (1–8) on the controller.
Connect a field common wire to the common terminal (C) on the controller.
Product Description
Rain Bird ST8I-2.0 Smart Indoor WiFi Sprinkler/Irrigation System Timer/Controller, WaterSense Certified, 8-Zone/Station, Works with Amazon Alexa. Rain Bird’s improved Smart Irrigation WiFi Timer places even more control of your sprinkler system in the palm of your hand; saving time, water and money. This new and improved model features numerous upgrades and replaces the obsolete ST8I-WIFI timer. Upgrades include: faster app speed, enhanced water usage reporting, custom manual watering options, automatic shut-off when rain forecasted, copy a zone’s program to other zones, turn timer on/off via app, notification of program changes. EPA WaterSense certified to provide at least a 20% water-savings over non-certified timers. Rain Bird app allows control of multiple timers located anywhere in the world. Install app on multiple devices, securely share control with family members, landscapers etc. Compatible with: Amazon Alexa, Apple iOS 8 or greater, Android 4.4 (KitKat) or later. Access timer programming via: mobile devices on a WiFi network or away from home; in-range mobile devices or directly from timer’s control panel. It’s simple to customize watering schedules which will be automatically adjusted all year. Each watering zone can be set with a different name, picture, frequency, start time and run time to ensure healthy plants and a lower water bill. Automatic Seasonal Adjust will adjust daily watering schedule based on season, local weather, temperature and humidity. Data for your specific ZIP Code is automatically downloaded and calculated every night. Each zone is customizable for Watering Days, Start Times and Run Time: water on custom days of week, odd or even calendar days, or cyclic (every 1-14 days), allows 6 Start Times per zone and Run Times from 0-199 minutes. All timer settings are stored indefinitely in memory; no need to re-program in case of power outage. Enable Notifications in the Rain Bird app to be informed of what’s happening in your yard even when away from home. Know if someone enables a watering delay, Automatic Seasonal Adjust is applied, date or time is incorrect, timer disconnects from WiFi network, valve malfunctions, or of a possible freeze. Watering Delay feature suspends watering from 1 to 14 days; programming automatically resumes once your selected delay has ended. Connects to master valve or pump start relay and supports a wired Rain Sensor to automatically turn off watering when it rains (rain sensor CPRSDBEX sold separately). Compatible with most 24 VAC irrigation valves. Sealed case protects from moisture, insects and grime. Timer designed for use in weather-resistant locations like a garage or waterproof shed. Includes: transformer with 6’ cord, mounting hardware and installation guide. Also available (sold separately) is the ST8O-2.0 Indoor/Outdoor model. Rain Bird “The Intelligent Use of Water”
















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