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Wednesday, June 30th 2010, 9:00pm

low pressure

I recently bought a house and it has a rainbird irrigation system. All the zones work great, except 1 zone, no pressure. I thought it was a valve issue so I replaced it, but still the same. Found 1 sprinkler that was busted, fixed it and got a little better. Then I noticed all the other zones have about 5 sprinklers and the one I am having issues with has 13 pop up sprayers. Basicaly they pop up half way and has some spray but also pushing water out around the base of the shaft, if I pull them up all the way the base of the shaft doesn't leak. Except the sprinklers furthest away from the valve, they barely have any pressure. I am wondering if there are just too many sprinkler heads. I am new to irrigation systems so any info would be appreciated, thanks.



Posts: 1,749

Location: USA


Wednesday, June 30th 2010, 11:40pm

It's possible you have too many heads. It's possible you just need to replace the sprinklers or the seals. Try this, turn off all the sprinklers with a screwdriver. Pull them up so they seal. Look for flooding. Could be a broken pipe or riser that you're not seeing.

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