The new Irritrol® 550R rotor delivers basic simplicity and dependable action all in one rotor. With its proven ¾” gear-driven design, 50’ of watering radius and a full 5” pop-up, this rotor just gets more done. Installation is made simple with Irritrol’s familiar top arc adjustment and all-in-one full- and part-circle operation from 40 to 360 degrees. And, with the ability to quick check the arc with positive left and right stops, set-up time is further reduced. The 550R comes with a wide selection of nozzles (8 standard and 4 low angle nozzles) making it the ideal rotor for your everyday installations.
All adjustments made with a standard screwdriver

No special tools required

Wide selection of nozzles

8 standard and 4 low angle nozzles included with each rotor to handle a wide range of applications

Standard rubber cover

Provides added protection against debris and keeps playing areas safe

Familiar top adjustment, wet or dry

For fast convenient installation

Non-flushing wiper seal

Reduces leaks caused by debris trapped under seal

Optional check valve holds up to 7’ of elevation change

Eliminates water waste

Positive left and right stops (fixed left stop)

Reduces set-up time by allowing you to quick check the arc

Reversing full- and part-circle operation

Allows you to adjust the rotor from 40˚ to 360˚

Adjustable Arc Range
40° to 360°
Flow Range
.74 – 9.70 gpm
¾” female-threaded NPT
Nozzle Trajectory
Standard: 25°, Low angle: 12°
8 standard and 4 low angle nozzles included (unit comes with 3.0 nozzle pre-installed)
Overall Height (Retracted)
7 3/8”
Precipitation Rate
.20 – .99 inches per hour
25’ – 50’
Recommended Operating Pressure
45 psi
Riser Height
5 year
Models Description
550R ¾” inlet, 5” lawn pop-up
550R-SC ¾” inlet, 5” lawn pop-up and slip clutch
550RS ¾” inlet, shrub
550RHP ¾” inlet, 12” high-pop
550R-CV ¾” inlet, 5” lawn pop-up w/check valve
550R-CV-SC ¾” inlet, 5” lawn pop-up w/check valve and slip clutch
550R-SS-SC ¾” inlet, 5” lawn pop-up w/sst riser and slip clutch
Field-installable check valve (102-771)
Recycled-water indicator cover (purple)