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The RAINBIRD NATIONAL SLS 1804AP8PRS is a 4-inch, 1800 Professional Series pressure regulating (PRS) pop-up sprinkler designed for reliable, controlled irrigation in residential and light commercial turf and landscape applications. It features a 1/2-inch inlet and delivers an adjustable spray pattern from 0 to 360 degrees with a throw distance of up to 8 feet. The built-in pressure regulation reduces water waste and helps meet conservation code requirements in several states. Licensed irrigation contractors and landscape professionals are the primary installers for this type of sprinkler head.
This sprinkler is suited for low-volume, water-efficient irrigation zones where pressure regulation is required or preferred. It is mandatory in California, Washington, Hawaii, Colorado, and Vermont under applicable water conservation regulations. Typical installations include residential lawn zones, parkway strips, and commercial landscape beds where uniform coverage and consistent operating pressure are critical to system performance.
Designed as an OEM-style replacement or new-installation sprinkler head for 1800 Professional Series pop-up irrigation systems using a 1/2-inch female inlet connection.
Installation is typically performed by a licensed irrigation contractor or qualified landscape professional. Shut off system water supply and relieve line pressure before removing or replacing any sprinkler head. Follow local plumbing and irrigation codes, including applicable state water conservation mandates in CA, WA, HI, CO, and VT. Use the removable grit filter during initial system flush to protect the nozzle from construction debris.
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