What is a PRS (pressure regulated stem) Sprinkler Head?

A PRS sprinkler head, like those from Hunter Industries or Rain Bird, features a built-in water pressure regulator that maintains a consistent water pressure and flow rate, regardless of the variations in the over water system and pressure, helping to to reduce water waste and ensure even coverage.

Main Features & Benefits to PRS Sprinkler Heads:

  • Pressure Regulation: PRS spray heads incorporate a pressure regulator within the stem, ensuring a consistent 30 PSI (2.1 bar) output regardless of the inlet pressure, which can fluctuate.
  • Water Savings: By maintaining optimal pressure, PRS heads reduce water consumption, potentially saving up to a gallon of water per minute, per sprinkler heads.
  • Even Coverage: Consistent pressure and flow rates ensure even water distribution across the entire irrigation zone, even with change made to the water supply.
  • Misting and Fogging Prevention: The pressure regulation feature helps eliminate misting and fogging caused by high water pressure.
  • Flow Optimizer Technology: Some PRS spray heads, like the Hunter Industries or Rain Bird 1800 series, utilize flow optimizer technology to optimize water flow and coverage.

Top reasons to install PRS sprinkler heads?

  • High or fluctuating water pressures
  • Optimize irrigation efficiency
  • Reduce water waste


Upgrade or retro-fit your existing sprinkler heads today!!