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Irrigation Controller IRG4
Irrigation Controller IRG4
Irrigation Controller IRG4
Irrigation Controller IRG4

Irrigation Controller IRG4

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  • Input:  120V, 50/60Hz
  • Output:  24V, 40VA
  • Output Channels:  4
  • Requires WiFi 2.4GHz Connection
  • 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
  • Made in USA

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 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.



  • Access 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, not months.
  • Controller continues to execute programs if internet connection is lost. 
  • Create simple or complex irrigation routines.  Perfect for crop steering 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.
  • Two-year manufacturer warranty.
  • Requires Internet Router, GrowCentral Account, and Internet access. 
  • Proudly designed and made in the USA.