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Water pump running when no taps on

  • 04-07-2012 11:04am
    #1
    cpbobo
    Registered Users Posts: 28 ✭


    Hi, I have a water pump that feeds all the water from immersion and upstairs cold feed through the house. I sometimes notice that the pump will activate for a second during the day even when there is not tap or water running. I cannot find any trace of a leak. Do you know what could be causing this? Could there be air in pipes?


Comments

  • #2
    sullzz
    Registered Users, Registered Users 2 Posts: 2,409 ✭✭✭sullzz


    cpbobo wrote: »
    Hi, I have a water pump that feeds all the water from immersion and upstairs cold feed through the house. I sometimes notice that the pump will activate for a second during the day even when there is not tap or water running. I cannot find any trace of a leak. Do you know what could be causing this? Could there be air in pipes?

    Could be a dripping tap or ballvalve in the toilet passing slightly , it does not take much of a water loss to activate the pump , or it could be if its a negative head pump the pressure vessell might need to be recharged


  • #3
    cpbobo
    Registered Users Posts: 28 ✭cpbobo


    It is a negative head pump. How do you recharge the pressure vessle


  • #4
    ART6
    Registered Users, Registered Users 2 Posts: 2,632 ✭✭✭ART6


    cpbobo wrote: »
    It is a negative head pump. How do you recharge the pressure vessle

    It's a Shraeder valve -- looks like the valve on a car tyre. You can pump it up with a foot pump just as you would your car tyre.


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