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    dede34's Avatar
    dede34 Posts: 6, Reputation: 1
    New Member
    		  
    #1

    Oct 25, 2008, 06:51 AM
    Problems w/ a 20/40 pump
    The well comes on and then the switch won't let the pressure get to 40 without the points sticking and clicking causing it not to cut off. This is an electric water well with a 20/40 pressure switch. What could be causing this?
    jlisenbe's Avatar
    jlisenbe Posts: 5,020, Reputation: 157
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    #2

    Oct 25, 2008, 10:08 AM

    Sounds (obviously) like a bad switch. You can try filing the points with an emory board. Again, obviously, do this with the power off. But I wouldn't spend much time fooling with it when you can buy a new switch for twenty bucks and install it in an hour or less. You might want to also look at the small pipe leading to the switch to make sure it is not clogged with crud... happens rather often.
    dede34's Avatar
    dede34 Posts: 6, Reputation: 1
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    #3

    Oct 25, 2008, 03:23 PM
    We just replaced the sitch bought a brand new one still having this problem
    speedball1's Avatar
    speedball1 Posts: 29,301, Reputation: 1939
    Eternal Plumber
    		  
    #4

    Oct 25, 2008, 03:38 PM
    What type of pump do you have? Try this. Let the pump pump up some pressure and shut the pump off at the breaker box. Does it hold pressure at the gage? Let me know. Tom
    dede34's Avatar
    dede34 Posts: 6, Reputation: 1
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    #5

    Oct 29, 2008, 08:29 AM
    Hi Tom no it is not holding the pressure. As soon as you cut it off ,it losing the pressure immediately.it returns to zero and it never makes it to 40 and it never disengages
    speedball1's Avatar
    speedball1 Posts: 29,301, Reputation: 1939
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    #6

    Oct 29, 2008, 10:15 AM
    Quote Originally Posted by dede34 View Post
    Hi Tom no it is not holding the pressure. as soon as you cut it off ,it losing the pressure immediately.it returns to zero and it never makes it to 40 and it never disengages
    You have just described a bad check or foot valve. Your pump will never quit or get up to rhe cut off point until you replace it. Good luck, Tom
    jlisenbe's Avatar
    jlisenbe Posts: 5,020, Reputation: 157
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    #7

    Oct 29, 2008, 04:16 PM

    Good catch, SB.
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