Yard irrigation 3/4 horspower jet pump system problem.
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KMS Woodworks on Apr 27, 2012When you use a little water and then close the valve the pump runs for how long?....with no "demand" on the system the pressure should climb back up until the pressure switch trips and the pump shuts down.. If the pump continues to run under no load then the pressure switch may need to be adjusted / replaced.Helpful Reply
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Woodbridge Environmental Tiptophouse.com on Apr 28, 2012Sounds like a switch control issue or a waterlogged tank. But if the tank pressure is not set the same as the pressure switch that can cause all sorts of issues. I would suggest you increase the pressure on the tank bladder to 45 psi. I assume your turning the pump on at 40 and off at 50, also I would increase the spread to at least 40/60 psi range. Which is typical for most jet style pumps.Helpful Reply
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Warren F on Apr 28, 2012Thanks for the quick replies. I'm starting to think that the problem may be in the tank. When I took the tank off the pump (for motor/pump repair) the water in the tank shot out like a fire hose. In the past this had never happened and that included a couple of different tanks. I've tried adjusting the pressure switch downward in pressure, so that may also be my problem. I'll readjust the pressure upward. Let's see what happens.Helpful Reply
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