Newbie looking for advice re booster pump installation

Discussion in 'Pumps and Tanks Well Forum & Blog. Water is life.' started by K. Patterson, Feb 16, 2014.

  1. K. Patterson

    K. Patterson New Member

    Joined:
    Feb 16, 2014
    Location:
    CA
    I am trying to select a pump for a rural application. Water is supplied by a water district but every time THEIR power goes out, no water will reach the pump. Someone recommended a Gould's 2HP booster pump that can produce 18gpm (18GBC20). Does anyone know if this pump has some kind of built-in shut-off valve / cut-off switch if there is no water reaching the pump? Or does it need to be installed with a separate switch? What is a typical life-span for this type of pump?
     
  2. valveman

    valveman Moderator Staff Member

    Joined:
    Mar 15, 2006
    Occupation:
    Pump Controls Technician
    Location:
    Lubbock, Texas
    You can use a low pressure cut off switch on the incoming line, but they don’t work very well. Every time your pump starts it will pull the incoming pressure down and the pump will shut off. As soon as the pump shuts off the incoming pressure increases and the pump cuts back on. I have used a little pressure tank with the low pressure switch attached to it, which has a tiny little tube attaching both to the incoming line. Filling and draining the little tank through the tiny tube works like a time delay, giving the incoming pressure time to stabilize after the pump starts.

    The best thing is to have an air gap as in a storage tank to pump from. Let the city fill the storage tank when they are able to supply water, then you will have water stored for times when the city line is empty.

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