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How to Unclog a Sprinkler System
How to Unclog a Sprinkler System. Dirt and debris can build up in all parts of a sprinkler system--pipes, risers and nozzles. If the water spewing from your sprinklers isn't as strong as it should be, it's time for a cleaning.
Dirt and debris can build up in all parts of a sprinkler system--pipes, risers and nozzles. If the water spewing from your sprinklers isn't as strong as it should be, it's time for a cleaning.
Things You'll Need
Garden Hose
Wire Or Paper Clip
Turn off the system and remove all the nozzles and heads.
Turn on the water and let it run until a solid, clean stream flows from each head opening. Then turn the water off.
Dismantle each nozzle according to the directions in your owner's manual.
Hold the nozzle under a faucet or hose to blast out debris. Open small, clogged holes using a piece of wire or a paper clip.
Rinse out the filter basket or screen.
Reassemble and replace the heads and nozzles. Then turn on the water. If the system still seems sluggish--and your indoor water pressure is normal--the problem could be a leak in the line (see How to Repair a Leaking Irrigation System).
Tips & Warnings
To dismantle some nozzles, you'll need a screwdriver or a special key that came with your system; other types you can take apart by hand.
