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. 4 in. 1800 Series pop-up spray head Strong stainless steel spring provides reliable stem retraction Constructed of time-proven UV-resistant plastic and corrosion resistant stainless steel parts, assuring long product life Additional features: Exclusive co-molded wiper seal features an encased plastic "cage" to provide unmatched resistance to grit, pressure and the environment. 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. 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. All sprinkler components are removable from the top without special tools, providing for quick and easy flushing and maintenance of the sprinkler. Nozzle Type: No Nozzle Included Spray Head Series: 1800 Series Dimensions: 6" (15,2 cm) body height; 4" pop-up height (10.2 cm) Exposed surface diameter: 2 1/4" (5.7 cm) Pop-up Height: 4 in Specifications: Spacing: 3 to 24 feet (0.9 to 7.3m) Pressure: 15 to 70 psi (1.0 to 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.
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