Rain Bird 1804-PRS 4 in. Pop-Up Pressure Regulating Sprinkler Spray
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 has first-rate quality built in for reliable operation and long life. Their superior components and features make them the spray heads of choice for a wide variety of applications.
Also available with Seal-A-Matic� (SAM) in-stem check valve option and patented PRS in-stem pressure regulator option.
Features / Benefits
- Exclusive co-molded wiper seal features an encased plastic "cage" to provide unmatched resistance to grit, pressure and the environment. Additionally, the pressure-activated, multi-function seal design assures a positive seal without excess �flow-by� which enables more heads to be installed on the same valve.
- 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.
- Two piece ratchet mechanism on all models allows easy nozzle pattern alignment without tools and provides added durability..
- Pre-installed orange 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.
- Side and bottom inlets featured on 1806 and 1812 models.
- Five-year trade warranty.
- Spacing: 3 to 24 feet (0.9 to 7.3m)
- 3 to 18 feet with standard Rain Bird Spray Head Nozzles (MPR, VAN, U-Series). 13 to 24 feet with Rain Bird Rotary Nozzles
- Regulates Nozzle pressure to average 30 psi (2.1 bar) with inlet pressure of up to 70 psi (4.8 bar)
- Flow-by: 0 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.
- 1806 and 1812-SAM and SAM-PRS units do not have a side inlet.
- 1/2" (15/21) NPT female threaded inlets
- Body height:
- 1802: 4" (10,2 cm) body height; 2" pop-up height (5.1 cm)
- 1804: 6" (15,2 cm) body height; 4" pop-up height (10.2 cm)
- 1806: 9 3/8" (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: 2 1/4" (5.7 cm)
Manuals and Literature