1800-SAM-P45 Series Spray Heads

4", 6", 12" (10.2 cm, 15.2 cm, 30.5 cm)

Our top-of-the-line spray, including 45 psi in-stem pressure regulation and built-in Seal-A-Matic™ check valve. Used with Rotary Nozzles, this combination improves performance and saves water

EPA WaterSense - Certified by ICC-ESRain Bird® 1800-SAM-P45 Series Spray Heads are ideal for use in areas with changing elevations. The built-in Seal-A-Matic™ (SAM) check valve saves water by eliminating low head drainage from spray heads located at the base of slopes or hillsides.

Trusted for over 30 years, 1800 Series Spray Heads have provided unmatched durability, reliability, and performance. Superior components and features make the 1800 Series Spray Head the spray head of choice for a wide variety of applications.


  • Maintains constant outlet pressure at 45 psi (3.1 bar) at varying inlet pressures.
  • Ensures maximum spray body and nozzle performance, even with varying inlet pressures.
  • Maintains constant pressure, regardless of nozzle used



  • SAM capability: holds up to 14 feet (4.2 m) of head; 6 psi (0.4 bar)
  • PRS models regulate nozzle pressure to an average 30 or 45 psi (2.1 or 3.1 bar) with inlet pressures of up to 70 psi (4.8 bar)
  • Flow-by: 0 gpm at 8 psi (0.6 bar) or greater; 0.10 gpm (0.02 m3/h; 0.36 l/m) otherwise
  • Installation: side or bottom inlet
  • Side inlet installation  not recommended in freezing climates
  • Five-Year Trade Warranty

1800-SAM-P45 Models

  • 1804-SAM-P45:  4" pop-up height (10.2 cm)
  • 1806-SAM-P45:  6" pop-up height (15.2 cm)
  • 1812-SAM-P45:  12" pop-up height (30.5 cm)

Operating Range

  • Spacing:  2.5 to 24 feet (0.8 to 7.3m)*
  • Pressure:  15 to 70 psi (1.0 to 4.8 bar)

* 2.5 to 18 feet with standard Rain Bird Spray Head Nozzles (SQ, MPR, VAN, U-Series); 13 to 24 feet with Rain Bird Rotary Nozzles

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