Hunter I-20 4 in. Pop-Up Rotor with Check Valve and 3.0 Nozzle
The Hunter I-20 is a 3/4 in. rotor with 34 nozzle options, FloStop control, automatic arc return, and a non-strippable drive. This case is the I200430 configuration (4 in. pop-up, plastic riser, 3.0 nozzle pre-installed, check valve).
Key Specifications
- Case quantity: 20
- Manufacturer model: I200430
- Configuration: 4 in. pop-up, plastic riser, 3.0 nozzle pre-installed, check valve
- Arc: adjustable from 50° to 360°
- Inlet: 3/4 in. NPT
- Nozzle choices: 34
- Radius: 17 ft to 46 ft
- Flow: 0.36 to 14.8 GPM
- Recommended pressure range: 25 to 70 PSI
- Operating pressure range: 20 to 100 PSI
- Precipitation rate: about 0.4 in/hr
- Nozzle trajectory: 25° standard, 13° low-angle
- Drain check valve: factory installed, up to 10 ft of elevation
- FloStop control
- Warranty: 5 years
- 3.0 nozzle pre-installed. Hunter lists the I-20-04 as also available with a 1.5 to 4.0 nozzle pre-installed.
- Photo: Hunter I-20 studio image for this series. Hunter does not publish a separate studio photo of this exact height, nozzle, reclaimed cap, or pressure-regulated combination.
Frequently Asked Questions
How many I-20 rotors are in the I200430 case?
This case contains 20 Hunter I200430 rotors.
What radius and flow does Hunter publish for the I-20?
Hunter publishes 17 ft to 46 ft and 0.36 to 14.8 GPM, with a recommended pressure range of 25 to 70 PSI.
Does the I-20 include a check valve?
Yes. Hunter’s I-20 model descriptions include a check valve, and the product page rates that drain check valve for up to 10 ft of elevation.
What makes this I-20 configuration different?
This case is the I200430: 4 in. pop-up, plastic riser, 3.0 nozzle pre-installed, check valve. Arc adjustment is 50° to 360° with FloStop control.


