Once you’ve learned the basics of how sprinkler systems work, and have learned the difference between spray heads and rotator heads, you can begin your search for the best rotator head types for your lawn sprinkler system. Since rotator heads cover larger areas of the lawn, you’ll need to compare rotator head types in order to choose those that will work best for your individual situation.
Rotator heads are typically spaced 18-55 ft. apart, and require a lot of water pressure to operate. The rule of thumb regarding the selection of rotator heads is: “the water pressure at the rotor head (in PSI) must exceed the distance (in feet) between the heads.” And if you’re going to space your sprinkler heads more than 45 ft apart, hire a professional sprinkler repair service or designer with the specialized knowledge that’s needed for the design project.
Gear-drive rotator heads have interchangeable nozzles with a radius reduction screw. Simply put, but turning the screw clockwise, the stream of water is distorted, which results in a reduction of the water stream radius. Do not adjust the radius based on watching the stream alone. The lawn surrounding the sprinkler will be a better indication of what adjustments need to be made.
If you’re worried about the esthetics of your landscaping, as well as the safety of rotator heads protruding from your yard, pop-up heads are a better choice than shrub style. They are installed below ground, and are only visible during watering periods. Because they are underground, they aren’t a tripping hazard.
The majority of rotator heads on the market have the same basic features, and therefore meet the minimum quality requirements. When shopping for rotator heads, check the radius listed on the packaging. The spacing of these heads according to the radius is very important, and should be followed according to recommendations.
