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    fisherman's Avatar
    fisherman Posts: 1, Reputation: 1
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    #1

    Sep 12, 2007, 06:09 PM
    Square D pressure switch
    My well pump does not shut off after building up pressure 20-25lbs of pressure what is wrong thanks fsherman
    Flying Blue Eagle's Avatar
    Flying Blue Eagle Posts: 2,056, Reputation: 225
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    #2

    Sep 14, 2007, 10:36 PM
    I don't know which pressure switch you have, If you have a20-40 ,then your switch will every time pressure drops to 20 psi and shut the well pump off when pressure reaches 40 psi . There is a 30-50 . On the inside of the cover for the switch shows and tells you how to adjust the cut in and cut out pressures >
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