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Hunter® Sprinkler I-20-04-SS

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List Price: $735.00
Our Price: $300 For Box of 20
Item Number: H-I-20-04-SS
Manufacturer: Hunter
Manufacturer Part No: I-20-04-SS

Hunter®    I-20-04-SS 
Stainless Steel Rotor
 With Check Valve
Sold IN boxes of 20 
20 Nozzle Tree Sets For Each Rotor

 Whether you’ve got a small area, sandy soil, or a mix of shrubs and grass, the I-20 is ready to water with efficiency and reliability. Recent improvements include automatic arc return; non-reversing 360, from 50 to 360 degrees; and a non-strippable, vandal-proof drive mechanism that prevents gear stripping and saves repair costs. Adding FloStop® control, easy through-the-top arc adjustment, and a standard drain-check valve all equate to a rotor that stands second-to-none in its class.

  • Models: Shrub, 4", 6", 12"

  • Models stainless riser: 4", 6"

  • Arc setting: 50 to 360 degrees

  • Factory installed rubber cover

  • Through-the-top arc adjustment

  • Quick check arc mechanism

  • Water lubricated gear-drive

  • Warranty period: 5 years

  • Nozzle choices: 34

  • Nozzle racks: 1.5 to 8.0 Blue, 2.0 to 4.5 Low Angle Gray, 0.50 to 3.0 Short Radius Black, 6.0 to 13.0 Green, MPR-25, MPR-30, MPR-35


FloStop closes the flow of water from individual sprinkler heads while the system is running. This is ideal for changing nozzles or turning off specific heads during maintenance and construction.



This patented feature returns the turret to the original arc regardless of where it is turned. This ensures vandal protection in any environment.

Patented non-reversing 360 for part- and full-circle in one model, from 50 to 360 degrees.

Operating Specifications

  • Discharge rate: 0.36 to 9.8 GPM
  • Radius: 17' to 46'
  • Recommended pressure range: 30 to 70 PSI
  • Operating pressure range: 20 to 100 PSI
  • Precipitation rates: approximately 0.4" per hour at 45 PSI for spacing from 25' to 45'
  • Nozzle trajectory: standard – 25˚; low angle – 13˚
  • Drain check valve for up to 10' elevation change