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Old 11-15-2008, 12:50 PM   #1
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leaking sprinklers

I have 1 sprinkler (2nd to the end of the line) that won't stop leaking I have changed the sprinkler head checked it for dirt but it trickles out and never stops leaking . do the sprinklers need to be level with each other ?there not all level and its the only one doing it.... have all new valves also


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Old 11-18-2008, 06:21 PM   #2
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the whole unit

Did you replace only the head ? Try replacing the whole unit head and holder.


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Old 11-18-2008, 06:57 PM   #3
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Change the whole thing from the water supply up, and keep the old one for parts.
If it's worth doing, it's worth doing right. If you wouldn't put your name on it, it ain't done right!
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Old 11-19-2008, 01:08 AM   #4
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Is this sprinkler lower than all the rest? Any water in the line will drain to the lowest point and leak out of the lowest sprinkler on the line. Eventually, the "leak" will stop when all the water remaining in the line has ran out.

If it leaks continuously even after that, then you may have a faukty or leaking valve, even if it is new.
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Old 11-19-2008, 09:43 AM   #5
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If the leak is continuous, then you have a leaking motor valve in the system.
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Old 11-19-2008, 07:50 PM   #6
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Is it the lowest head on the zone?

If so find a supplier and get a check valve for it, if you take the head in with you they can size it.

Most likely is a zone valve that is not closing all the way and allowing water to slowly leak by. If you have access to the water meter you can probalby watch the dial turn, this can confirm a leaking valve but there are other posibilities.

Find the valve, hopefully you have an as-built drawing or they are in valve boxes and the lids are exposed. Turn off the water to the irrigation system and tear the valve apart. Look for debris inside the valve, look at the diaphragm(rubber gasket) for tears or small pin holes, hold it up to the sun and look for light shining thru.

If all looks ok re-install the parts and see if it fixes your problem. Most times if a vlave is slowly leaking you can put your hand on the valve body and feel the water flowing thru it, often you can hear a "hiss".

If you take the valve apart, get both hands in the hole as you lift up the top and catch the spring. (just a tip, they can be lost easily)


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