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Sprinkler System Problem BobR 05-06-2008
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Posted by Bob F on May 7, 2008, 11:52 pm

> Moved into an older home a couple years ago with an existing sprinkler
> system. It has never worked correctly and I am trying to get the
> system back into shape. Just replaced the backflow valves and got the
> system to partially work but can not leave the water and the timer
> on. It appears that one of the valves is stuck open or partially open
> which allows one of the stations to run even when the station is off.
> I know that I need to replace the station valve but I can't find the
> damn thing.

I acquired an old RF signal generator which will generate a signal in the AM
radio band with an audio tone on it. I used that to put a signal on a
underground wire, and an AM radio to follow the wire.




Posted by J.A. Michel on May 8, 2008, 5:00 pm

> Moved into an older home a couple years ago with an existing sprinkler
> system. It has never worked correctly and I am trying to get the
> system back into shape. Just replaced the backflow valves and got the
> system to partially work but can not leave the water and the timer
> on. It appears that one of the valves is stuck open or partially open
> which allows one of the stations to run even when the station is off.
> I know that I need to replace the station valve but I can't find the
> damn thing.
>
> The system has five stations and I have only been able to locate the
> controls for three of the stations. All five have been buried and
> there is no plot of where to locate them. The three that I have
> located were in different areas and not near the areas being
> serviced. I can only guess as to where the remaining two are. I am
> on a large cul-d-sac lot with the sprinkler covering the entire lot.
>
> Does anyone have a suggestion on how I can find the remaining two
> valves without destroying the entire yard in the process? I found the
> third valve when digging up and replacing one of the flower beds. Oh
> yes, the damn power cord for the system is also buried under the
> patio.
>
> PS: Had the same problems with the sewer clean out and the main water
> line coming into the house. Paid a very high price for the plumber to
> find those under emergency conditions.

Follow the water pipes that exit the house


Posted by Norminn on May 8, 2008, 6:05 pm
clipped

>>
>>
>> PS: Had the same problems with the sewer clean out and the main water
>> line coming into the house. Paid a very high price for the plumber to
>> find those under emergency conditions.
>
>
> Follow the water pipes that exit the house

That is how hubby and I located 3 buried valves around our condo, except
that the
irrigation lines are reclaimed water and never enter the house. We used
a metal
detector, which my husband is very experienced with, to no avail. Tried
listening for
sound of water in pipe. Tried digging based on logic of the layout for
valves that were not
buried. Finally, found a pipe running beyond a valve near the main
supply - we followed that
pipe, digging about every 3 feet to follow it. Fortunately, it's
Florida and they aren't buried
deep.

We also had a missing sewer cleanout, until the main sewer line plugged
and started backing
up. One of the plumbers was an old timer and remembered exactly where
the main cleanout was.
God bless plumbers :o)

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