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.

1800 Series Spray Head Features

• Co-molded, pressure-activated, multi-functional wiper seal assures positive seal without excess “flow-by” which enables more heads to be installed on the same valve.
• Designed for use with all Rain Bird plastic spray head nozzles – U-Series, HE-VAN, R-VAN, MPR, VAN, and XPCN Series.
• Precision controlled flush at pop-down clears debris from unit, assuring positive stem retraction in all soil types.
• Strong stainless steel spring provides reliable stem retraction.
• Ratchet mechanism on all models allows easy nozzle pattern alignment without tools.
• Pre-installed 1800 Pop-Top™ flush plug blocks debris from entering after flushing. Allows for easy nozzle installation.
• Constructed of time-proven UV-resistant plastic and corrosion resistant stainless steel parts, assuring long product life.
• All sprinkler components are removable from the top without special tools, providing for quick and easy flushing and maintenance of the sprinkler.

1800 P45 Series Features

• PATENTED PRS pressure regulator built into the stem. No parts to be installed at the site. Saves time and money.
• Maintains constant outlet pressure at 45 PSI (3.1 bar). Rotary nozzles perform best at 45 PSI. Ensures maximum nozzle performance, even with varying inlet pressures. Maintains constant pressure regardless of nozzles used.
• Restricts water loss by up to 70% if nozzle is removed or damaged. Saves water and money. Reduces possibility of accidents and property damage. Recommended for vandal-prone areas.
• Ensures consistent performance throughout zone if nozzle is removed or damaged. Keeps plant life covered by other spray heads properly irrigated.
• Ends misting and fogging caused by high pressure. Stops water waste. Ensures necessary watering occurs in high pressure or wind conditions.
• Designed for use with all Rain Bird plastic spray head nozzles.
• “PRS-45” stamped on cap for easy identification and maintenance.

Operating Range

• Spacing: 8-24' (2.4 to 7.3 m)
• Pressure: 15-70 PSI (1.7 to 4.8 bar)

Specifications

• Regulates nozzle pressure to an average 45 PSI (3.1 bar) with inlet pressures of up to 70 PSI (4.8 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: side or bottom inlet
• Side inlet installation not recommended in freezing climates

Dimensions

• 1/2” (15/21) NPT female threaded inlets
• Body height:
  • 1804 P45 - 6” (15 cm)
  • 1806 P45 - 9-3/8” (24 cm)
  • 1812 P45 - 16” (40 cm)
• Exposed surface diameter: 2-1/4” (5.7 cm)