With its intuitive adjustments and impressive coverage uniformity, the Rain Bird 42SA+ gear drive rotor waters all areas of your lawn evenly, reducing water use and providing greener, healthier grass. The many safeguards and trouble-free features built into our closed-case rotor sprinkler make it the perfect choice for any home landscape. Easily adjusts at the top with a flat blade screwdriver from 40 to 360 deg part-circle arc rotation and reversing full-circle rotation to ensure you're watering only things that grow, not the house, sidewalk or driveway. For installation convenience arc rotation is factory preset at 180 deg. Rain Bird's patented industry-leading rain curtain nozzle technology delivers a uniform, rotating curtain of large water droplets that fall exactly where you want and resist windblown overspray. The nozzle's micro ramps also direct a portion of the spray close to the head eliminating dry brown spots common with other rotor brands. The nozzle's superior coverage uniformity helps reduce watering time saving money on water bills. The protected closed case design makes the 42SA+ ideal for creeping grasses, sandy soil and other harsh surroundings. Water lubricated, gear-driven design provides long lasting dependability, true 4 in pop-up height clears taller grass. Dual-action, positive-stop wiper seal protects internal mechanisms from debris while assuring positive pop-up and retraction. Heavy-duty rubber encased cap helps protect against damage from edger strikes. O-rings and seals for extra protection in gritty water and a self-adjusting stator that doesn't require replacement when changing nozzles. Rotor comes with a preinstalled 3 gal/min nozzle designed for a throw distance of 26 to 38 ft at common residential water pressure of 45 to 55 psi. Nozzle is easily removable and additional nozzles are available to customize watering based on your specific flow rate and system requirements.