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K-Rain is a family owned and operated irrigation, engineering and manufacturing company.  For over 40 years, K-Rain has made it a priority to put customer satisfaction first and we pride ourselves on aiming to provide the best products the industry has to offer.

The factory installed purple rubber cover of our K-Rain RCW Superpro septic sprinkler conforms to State and local codes, requiring the identification of products being used for non-potable or reclaimed water.

The K-Rain Proplus septic sprinkler allows for easy range and flow adjustment. The 5” riser is perfect for the taller grass in your medium to large landscape areas, and the ¾” female threaded NPT Inlet can replace all standard rotors. The Superpro has a patented Arc Memory Clutch that returns the rotor to its pre-set position that also prevents internal gear damage. The revolutionary patented arc also allows for wet or dry adjustment in seconds.

A 2-in-1 adjustable and continuous rotation of the K-Rain RCW pro plusprovides a full range of adjustment, from 40 degrees to a continuous non-reversing circle. Including standard and low angle settings, the K-Rain RCW proplus provides flexibility in system design.


  • Flow Range: .5 – 9.5 GPM (1,9 – 36 LPM)
  • Pressure Rating: 20 – 70 PSI (1,4 – 4,8 bar)
  • Precipitation Rate: .21 – 1.17 in/hr (5,39 a 30,89 mm/hr) (Depending on Spacing and Nozzle Used)
  • Overall Height (Popped Down): 7 1/2" (19 cm)
  • Recommended Spacing: 28' – 44' (8,5 a 13,4 m)
  • Radius: 26' – 49' (7,9 a 14,9 m)
  • Nozzle Trajectory: 26°
  • Low Angle Nozzle Trajectory: 12°
  • Standard and Low Angle Nozzles Included