Hunter I-20 4-Inch Pop-Up Rotor with Check Valve and 2.0 Nozzle
The I200420 is a I-20 4-Inch Pop-Up Rotor with Check Valve and 2.0 Nozzle sold by the manufacturer case of 20.
Key Specifications
- Series: I-20
- Pop-up height: 4 in.
- Riser: plastic
- Nozzle: 2.0 preinstalled
- Hunter offers the 4 in. I-20 with a 1.5 to 4.0 nozzle preinstalled
- Inlet: 3/4 in. NPT
- Arc: 50° to 360°, part-circle and full-circle in one model
- Check valve: included on this I-20 body, holding up to 10 ft of elevation
- FloStop control closes flow at the head while the zone is running
- Hunter published radius for the I-20 series: 17 ft to 46 ft
- Hunter published flow for the I-20 series: 0.36 to 14.8 GPM
- Recommended pressure: 25 to 70 PSI
- Operating pressure: 20 to 100 PSI
- Warranty: 5 years
- Hunter’s blue 2.0 nozzle chart lists 34 ft and 2.0 GPM at 45 PSI
- Case quantity: 20
Frequently Asked Questions
How many rotors are in the case?
This case contains 20 rotors of model I200420.
What inlet size does the I-20 use?
Hunter lists a 3/4 in. NPT inlet on the I-20.
What arc does the I-20 cover?
Hunter rates the I-20 from 50° to 360°, with FloStop control and a check valve that holds up to 10 ft of elevation.
Does the I-20 include a check valve?
Yes. Hunter includes a drain check valve on this I-20, holding up to 10 ft of elevation.




