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How to Adjust Rainbird 1800 Sprinkler Heads for Direction & Flow
How to Adjust Rainbird 1800 Sprinkler Heads for Direction & Flow. Rainbird 1800-series sprinkler heads are four-inch pop-up-style heads suited for residential and commercial applications. Their spray distances can be adjusted from six feet to 15 feet. The Rainbird 1800 allows for directional adjustment by turning the sprinkler stem or riser. You...
Rainbird 1800-series sprinkler heads are four-inch pop-up-style heads suited for residential and commercial applications. Their spray distances can be adjusted from six feet to 15 feet. The Rainbird 1800 allows for directional adjustment by turning the sprinkler stem or riser. You can also change the sprinkler's watering direction and flow by replacing the head. Adjustable spray heads allow you to change the watering pattern from 0 degrees to 360 degrees. There are also spray heads for different irrigation flow rates.
Things You'll Need
Flat-head screwdriver
Adjust the sprinkler's watering direction. Turn on the Rainbird 1800 sprinkler or pull up on the stem or riser. You can turn the stem by hand until it faces the desired watering area or direction.
Adjust the Rainbird 1800's spray distance or flow. An adjustment screw is located on top of the sprinkler head. You can adjust the spray distance by 25 percent. Using a flat-head screwdriver, turn the screw clockwise to decrease the spray distance. To increase the distance, turn the screw counterclockwise.
Adjust the spray pattern. For Rainbird 1800-series spray heads with adjustable-pattern nozzles, you can change the watering pattern, thus affecting the sprinkler's spray direction. Using your hand, twist the threads on the collar of the sprinkler head. Turn the threads to the right or left to make adjustments.
Replace the nozzle. The Rainbird 1800 sprinkler allows you to make changes to the spray angle and flow by replacing the nozzle with another model. Grab the nozzle and turn it counterclockwise to remove it. Remove the filter screen using a flat-head screwdriver to pry it up out of the stem. Place the new filter screen inside the riser and attach the new nozzle by threading it on in a clockwise direction until tight.
