Q&A for How to Repair a Pop up Sprinkler Head

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Question

How can you adjust the spray radius on a sprinkler head?

Grant Wallace
Landscaper
Grant Wallace is a Landscaper and Owner of Grantlanta Lawn in Atlanta, Georgia. With over seven years of experience, he specializes in lawn maintenance and landscape installation. In 2012, he earned his BA from the University of West Georgia. Grant has been profiled in Shoutout Atlanta, Canvas Rebel, and Voyage ATL.

Grant Wallace

Landscaper

Expert Answer

There should be dials or knobs you can move around to adjust the spray nozzle.

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Question

What do I do if part of one quadrant isn't working. Some of the sprinkler heads work, but several of them just trickle from the head. What is the problem?

Community Answer

Your line feeding that quadrant could be broke or have debris in it. Do you have any wet areas that are pooling up when the system is running? If so, this could show you that that is the problem.

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Question

Do they make extensions for heads that do not pop up high enough?

Community Answer

Yes, they do. Just go to a local hardware store and look in the garden section to find them.

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Question

How do I repair the sprinkler valves?

Community Answer

The sprinkler valves have a little notch on the right hand side. Try adjusting the valve by twisting it or greasing it up a few times. This might take the place of a repair.

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Question

How do I fix a sprinkler head that leaks water when the system is turned off?

Community Answer

Buy a sprinkler with a check valve. Both Rainbird and Toro sell these for about $5.

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Question

My sprinkler head still runs after I shut off the water. How do I stop this?

Community Answer

If you mean that the head just continually leaks, it's most likely a faulty diaphragm. Go to YouTube and look up how to change it on your system. It is actually pretty easy. Just have a screwdriver and paper towel to start. Turn off your system and the water supply to the system before starting.

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Question

My sprinkler rotor is stuck at the end of the travel. How should I fix this?

CurtM

Community Answer

Look for anything that might be obstructing the sprinkler head's path. If you don't find an obvious blockage, try disassembling and reassembling the head and see if that helps. This will give you a closer look at the track and rotor mechanism.

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Question

What causes a sprinkler head to blow off when the water is turned on?

Community Answer

Chances are, mischievous troublemakers have glued the sprinkler holes closed and caused the pressure to build up until the head blows off.

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Question

What would make water not come out of my sprinklers when turned on?

CurtM

Community Answer

The two most likely causes are a bad connection or a blockage. Try tightening the sprinkler head on the riser, or applying a layer of thread seal tape to make sure the connection is secure. If that doesn't do the trick, the problem could be a clog somewhere in the water line. In this case, you'll want to remove the sprinkler head and flush the water from the line for 30-60 seconds to remove dirt and any other debris that has ended up inside.

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Question

How do I fix a sprinkler head that leaks water after being turned off?

CurtM

Community Answer

Look for a bad connection between the sprinkler head and rise. A quick hand-tightening or a layer of thread seal tape should resolve the issue.

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