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Sprinklers will not pop up

Not enough water pressure to run the zone

Master or zone valves not completely open

Flow control on zone valve not fully open

Debris between sprinkler riser and riser seal

Split the zone in two

Open counterclockwise

Open flow control

Clear debris

Sprinklers “stick up” after watering

Damaged riser or riser seal

 Damaged retraction spring

 Radius adjustment screw turned off

 Debris in nozzle

Replace sprinkler

 Replace sprinkler

 Open counterclockwise

  Remove debris

Water doesn’t spray from nozzle

Internal filter clogged

Clean screen

Water flooding from sprinkler

Missing nozzle

 Faulty or missing sprinkler head

Install nozzle

Replace sprinkler


Title: Troubleshooting your irrigation system sprinklers.
Description: Problems, causes and solutions for your timer.
Published: 11/1/2013
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