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Rain Bird 1800 Spray Head 6 in. | 1806-NSI

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Sales Price $5.68 Our Price $11.95 You save 52%
Quantity of 50
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Some States Require Pressure Regulating Sprays (PRS)

Beginning on the dates listed below, all spray sprinkler bodies sold in the following states will require pressure regulating stems (PRS) and EPA WaterSense certification:

Vermont: July 1, 2020  

California: October 1, 2020  

Colorado: January 1, 2021  

Hawaii: January 1, 2021  

Washington: January 1, 2021  

Massachusetts: January 1, 2022  

Washington, D.C.: March 15, 2022

New Jersey: March 1, 2023

New York: June 23, 2023

Note: Some States Require Pressure Regulating Sprays (PRS) All spray sprinkler bodies sold in the following states will require pressure regulating stems (PRS) and EPA WaterSense certification on and after the dates listed below: Vermont: July 1, 2020 California: October 1, 2020 Colorado: January 1, 2021 Hawaii: January 1, 2021 Washington: January 1, 2021 Massachusetts: January 1, 2022 Washington, D.C.: March 15, 2022

Rain Bird 1800 Spray Head 6” with No Side Inlet

  • Product Type: Spray Head
  • No Nozzle (Flush Plug Only)
  • Pop-Up Height: 6 inches
  • No Pressure Regulation

Features & Benefits

Installed in parks and backyards across the globe, Rain Bird's 1800 Series is the #1 commercial-grade irrigation spray head brand in the world.

Chosen for its reliability, heavy-duty materials, and versatility, the 1800 Series offers a broad selection of pop up heights and nozzle combinations for watering shrubs, small lawns, and irregularly shaped planting areas.

All models feature Rain Bird's patented pop-up mechanism with heavy-duty stainless steel spring for dependable out-of-sight retraction, plus an exclusive co-molded wiper seal for unmatched resistance to grit, pressure, and extreme environments.

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.

  • Co-molded wiper seal provides unmatched resistance to grit, pressure and the environment
  • Designed for use with all Rain Bird plastic spray head nozzles Rotary Nozzles, U-Series, MPR, VAN and XPCN Series.
  • Strong stainless steel spring provides reliable stem retraction.
  • Pre-installed 1800 Pop-Top™ flush plug blocks debris from entering after flushing. Allows for easy nozzle installation.
  • All sprinkler components are removable from the top without special tools, providing for quick and easy flushing and maintenance of the sprinkler.
  • Side inlets featured on 1806, 1806PRS, 1812, and 1812PRS models only.
  • Constructed of time-proven UV-resistant plastic and corrosion-resistant stainless steel parts, ensuring long product life
  • Precision controlled flush at pop-down clears debris from unit, assuring positive stem retraction in all soil types
  • Two-piece ratchet mechanism allows easy nozzle pattern alignment and provides added durability
  • Five-Year Trade Warranty

Product Details

The 1800 Series accepts all Rain Bird spray nozzles.

  • Flow-by: 0 gpm at 8 psi (0.6 bar) or greater; 0.10 gpm (0.02 m³/h; 0.36 l/m) otherwise

The sprinkler body, stem, nozzle and screen shall be constructed of heavy-duty, ultra-violet resistant plastic. It shall have a heavy-duty stainless steel retract spring for positive pop-down and a ratcheting system for easy alignment of the pattern. The sprinkler shall have a soft elastomer pressure-activated co-molded wiper seal for cleaning debris from the pop-up stem as it retracts into the case to prevent the sprinkler from sticking up to minimize ”flow-by.”


1806NSI should only be available in Florida, Texas, and the Southeast region.

Optional Feature Specifications:

The sprinkler shall have a matched precipitation rate (MPR) plastic or brass nozzle with an adjusting screw capable of regulating the radius and flow. The sprinkler shall be capable of housing protective, non-clogging filter screens or pressure compensating screens (PCS) under the nozzle. The screen shall be used in conjunction with the adjusting screw for regulating. The 6” (15 cm) and 12” (30 cm) models shall have both a side and a bottom 1⁞2” (15/21) (FNPT) inlet for ease of installation.

The sprinkler shall have a Pop-Top™ Flush Plug pre-installed. The plug shall prevent debris from clogging the sprinkler during installation and allow for the system to be flushed before nozzling. The plug shall be bright orange in color and constructed of polypropylene material.

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 15 feet with standard Rain Bird Spray Head Nozzles (SQ, U-Series, HE-VAN); 8 to 24 feet with Rain Bird Rotary Nozzles


  • ½” (15/21) NPT female threaded inlet
  • Models and height:
    • 1802: 4” (10.2 cm) body height; 2” pop-up height (5.1 cm)
    • 1803: 4&trac78;” (12 cm) body height; 3” pop-up height (7.6 cm)
    • 1804, 1804CA: 6” (15.2 cm) body height; 4” pop-up height (10.2 cm)
    • 1806: 9⅜” (23.8 cm) body height; 6” pop-up height (15.2 cm)
    • 1812: 16” (40.6 cm) body height; 12” pop-up height (30.5 cm)
  • Exposed surface diameter: 2¼” (5.7 cm)
More Information
Brand Rain Bird
Type Spray Head
Nozzle Connection Female Nozzles
Side Inlet No Side Inlet
Inlet Size 1/2 in.
Spray Body Height (in.) 9 - 3/8 in.
Check Valve No SAM
Spray Head Spring Stainless Steel
Nozzle Installed No Nozzle (Flush Plug Only)
Spray Head Wiper Seal Co-Molded
Pressure Regulation No Pressure Regulation
Application Residential and Commercial
Warranty 5 Years
Pop-Up Height 6 in.
Brochure (1.63 MB)
Instructions (357.47 kB)
Specifications (401.19 kB)
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