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Tue, Sep 4, 07 at 12:24
| My irrigation system runs off lake water with a pump at the back of my yard, by the lake. Recently, each time I turn the pump on, I need to manually prime the pump to get the water flowing to the sprinklerheads. (This never had to be done previously) Once done, the system works fine. Any ideas or suggestions as to what may be wrong or how I can fix this problem so as not to have to manually prime it each time the pump is truned on? Thanks for anyone's input. |
Follow-Up Postings:
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- Posted by ronalawn82 z9FL (toulsa@verizon.net) on Thu, Sep 13, 07 at 23:21
| tomh2007, it sounds as if the foot valve may be leaking or else there is a crack in the supply line. Either would cause the priming water to leak away when the pump is not in use. Upon start up, you prime the pump manually and establish a water flow. The pump then works well until it is shut down. |
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| This is caused by a foot valve leak not by a crack in the pipe.If there was a crack in the pipe, even after priming the pump it would not work because it would draw air through the crack. The leaky foot valve could be caused by any particle getting stuck in it so that it could not close fully, or due to age. The former can be solved by cleaning it and the latter by replacement. The next time you have to shop for a pump get a self-priming model, it does not need a foot valve. Or even better get one of those open well submersible models. |
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