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Rain Bird 1800 45 PSI Pressure Regulated Spray Head with Seal-A-Matic 12 in. | 1812-SAM-P45

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1812 Series 45PSI Spray Head (Rotary Nozzle Not Inlcuded)

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 Rain 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.

Features / Benefits

  • Provides 45 psi in-stem pressure regulation for maximizing efficiency or Rotary Nozzles.
  • Includes Seal-A-Matic? check valve preventing low head drainage of up to 14 feet of head.
  • "SAM-PRS-45" stamped on cap for easy identification and maintenance.

Operating Range

  • Spacing: 13 to 24 feet (4.0 to 7.3 m)
  • Pressure: 25 to 70 psi (1.7 to 4.8 bar)
  • Regulates nozzle pressure to an average 45 psi (3.1 bar) with inlet pressures of up to 70 psi (4.8 bar)
  • SAM capability: holds up to 14 feet (4.,2 m) of head; 6 psi (0.3 bar)
  • Flow-by: 0 at 8 psi (0.6 bar) or greater; 0.1 GPM (0.02 m3/h; 0.006 l/s) otherwise
  • Installation: bottom inlet only

Manuals and Literature

Specifications Charts
More Information
Brand Rain Bird
Type Spray Head
Nozzle Connection Female Nozzles
Spray Body Height (in.) 16 in.
Inlet Size 1/2 in.
Spray Head Spring Stainless Steel
Spray Head Wiper Seal Co-Molded
Pressure Regulation P45
Application Residential and Commercial
Warranty 5 Years
Check Valve SAM
Nozzle Installed No Nozzle (Flush Plug Only)
Pop-Up Height 12 in.
Side Inlet No Side Inlet
Advance Features Check Valve, PRS45
Specifications (401.19 kB)