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The RAINBIRD NATIONAL SLS 1803APPRS is a 3-inch, 1800-series professional pressure regulating (PRS) pop-up sprinkler designed for residential and commercial irrigation systems. The built-in pressure regulator maintains consistent outlet pressure, protecting spray heads and nozzles from the damage and misting caused by excessive inlet pressure. The adjustable arc lets installers dial in coverage from 0 to 360 degrees with a maximum spray distance of 15 feet. Irrigation contractors, landscape professionals, and qualified DIYers install this head as part of low-head drainage and water-conservation compliant systems.
This sprinkler is well-suited for turf and groundcover zones in residential and light commercial landscapes. Its PRS technology is mandated by code in California, Washington, Hawaii, Colorado, and Vermont, making it the required specification on any permitted irrigation project in those states. The adjustable pattern makes it adaptable to irregular zone shapes without requiring additional nozzle inventory. Each package contains 18 units, supporting full-zone installs in a single order.
Designed as an OEM-style replacement or new-installation component for 1800-series spray head irrigation systems requiring pressure regulating pop-up sprinkler bodies.
Installation should be performed by a licensed irrigator or qualified landscape contractor in accordance with local plumbing and irrigation codes. Shut off the irrigation system water supply and depressurize the line before threading or unthreading any sprinkler body. Use Teflon tape on threaded fittings to ensure a leak-free connection. Verify inlet pressure at the zone valve falls within the rated operating range of the PRS body before final system startup.
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