Powerbox IRG4 Irrigation Automation Controller






  • Input:  120V, 50/60Hz
  • Output:  24V, 30VA
  • Output Channels:  4
  • WiFi 2.4GHz
  • Antenna:  Standard ½ wave
  • Powder coated steel enclosure
  • For Indoor or Greenhouse Use Only
  • Dimensions:  6.00” x 5.75” x 2.50”
  • Weight: 4.0 Lbs
  • Shipping Dimensions:  12” x 9” x 5”
  • Shipping Weight: 5.5 Lbs

The IRG4 is a precision irrigation controller, with four channels of 24V output, and one-second timing resolution, to control your irrigation solenoids.  Use it to create precise and watering routines for your high-value crops, with unlimited programming flexibility.  Create different program files for different crop cycles and upload the desired program with the touch of a button.

Stop staying late!  Automating your irrigation is one of the best things you can do to reduce the time you have to spend being there in-person.  With the GrowCentral App, you can set standard timing schedules,  advanced cycle timers, or you can water manually.  Modify watering routines on the fly from anywhere on your phone, tablet, or computer.  

Of course, the IRG-4 is made from the best industrial-grade components for reliable use in critical settings.  Discover how much time you can save by automating your irrigation with GrowCentral.


  • Access your IRG4 controller from any phone, tablet, or computer.  Apps available for iOS and Android, or you can use our app-in-browser to access from any connected device with a browser.
  • Create and upload watering routines instantly, with the click of a button, without having to be there. 
  • Get alerts when your watering cycles are about to occur, or when they are complete. 
  • Easy to install and operate - completely plug and play.  Automate your irrigation in minutes!
  • This controller never misses a beat, even if internet is temporarily down, all programs continue to execute. 
  • Create simple or complex irrigation schedules and cycle timer programs.
  • Easily connect solenoid wires directly to removable terminal block.
  • Powder coated steel enclosure built to last a lifetime with keyhole tabs for easy wall mounting.
  • UL 508A Compliant. Two-year manufacturer warranty.
  • Requires Internet Router with WPS, GrowCentral Account, and Internet access. 
  • Proudly designed and made in the USA by master growers, with three decades of experience in the industry – undisputedly the best controllers money can buy!  

Automating with GrowCentral is the easiest and smartest thing you can do for your garden!  Get started today!

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