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Thread: Pump stops and starts

  1. #1

    Default Pump stops and starts

    About a year ago, we had a new pump put in the well. We have good pressure. If wash machine is running, we cannot use the toilet, do dishes or water outside. Before the pump was replaced, we could run all the water we wanted to. We have changed pressure switch and pressure tank. The party that installed the pump say there is nothing wrong with the pump. Do you have any suggestions? We do not know what else to do.

  2. #2
    Retired Defense Industry Engineer jadnashua's Avatar
    Join Date
    Sep 2004
    New England


    It sounds like you need to service or replace the pressure tank. You'll get more views if you post this on the pumps and wells section. You need to resolve this, as multiple short-cycling events will quickly ruin the pump.
    Jim DeBruycker
    Important note - I'm not a pro
    Retired Defense Industry Engineer; Schluter 2.5-day Workshop Completed 2013, 2014

  3. #3
    That's all folks! Gary Slusser's Avatar
    Join Date
    Aug 2004
    Wherever I park the motorhome.


    It sounds as if the gpm is reduced from what the old pump was delivering. It could be he sold you a pump with a smaller gpm or there could be a water leak. You can check for a leak by shutting the water off past the pressure tank and watching the pressure gauge for like 10 minutes to see if the pressure falls. If it does you have a leak between the tank and the check valve of foot valve in the well unless you have a check valve at the tank or the top of the well.

    Do you have a submersible or jet pump? If a jet pump you could have a partially blocked jet. If a jet pump, is it one or two lines?
    Gary Slusser Retired (= out of business)
    Click Here to learn how to correctly size or program a water softener.
    CAUTION, as of Nov 12 2013 all YouTube videos showing how to rebuild a Clack valve have an error in them that can cause damage.

  4. #4
    Moderator & Master Plumber hj's Avatar
    Join Date
    Aug 2004
    Cave Creek, Arizona

    Default water

    Initially, ALL your water comes from the storage tank, until you use enough to start the pump. Therefore, it appears that you have a storage tank, or pressure switch setting, problem.


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