OK For Irrigation System To Bypass Pressure Tank?

Discussion in 'Irrigation / Sprinkler Forum' started by htrimble, Jun 24, 2005.

  1. htrimble

    htrimble New Member

    Joined:
    Jun 24, 2005
    My irrigation system (18 zones) bypasses my pressure tank -- it runs directly off the feed from the well pump. The system runs for about 2 hours a day.

    Will this setup burn out the pump in my well?

    Should I have the irrigation system connected after the pressure tank?

    Thanks
     
  2. hj

    hj Moderator & Master Plumber Staff Member

    Joined:
    Aug 31, 2004
    Occupation:
    Plumber
    Location:
    Cave Creek, Arizona
    pump

    Where it is physically connected may not be a factor. If there is no check valve between the tank and your system then it is the same as if it were connected after the tank. If there is a check valve then the pump should not turn on until something in the house depletes the pressure so the pump can start. If you have the system wired somehow so that the pump can be operated when the irrigation system starts, then the question would be whether the pump can maintain pressure or if the pump can "overwhelm" the system and build up excessive pressure. Excessive pressure would be detrimental. Not having adequate capacity to maintain the irrigation system's pressure would cause a gradual loss in efficiency.
     
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  4. jadnashua

    jadnashua Retired Defense Industry Engineer xxx

    Joined:
    Sep 2, 2004
    Occupation:
    Retired Systems engineer for defense industry.
    Location:
    New England
    What may be a bigger issue is if the sprinkler system has an anti-siphon valve in it. If not, then it is possible to contaminate your drinking water with stagnent water from the yard full of pesticides, fertilizer, and any little critters that grow in water. As long as the pump can keep up with the volume and doesn't run dry, it should work. My unprofessional opinion.
     
  5. PEW

    PEW DIY Senior Member

    Joined:
    Sep 2, 2004
    In our area we run irrigation pumps flat out, no tank, no pressure switch. However, not connected to any other water system.

    Paul
     
    Last edited: Jun 24, 2005
  6. htrimble

    htrimble New Member

    Joined:
    Jun 24, 2005
    Thanks for the Feedback

    Thanks for the feedback -- I'll check in the anti-siphon value question.

    Harvey
     
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