Adding service extension before pressure tank...

Discussion in 'Plumbing Forum, Professional & DIY Advice' started by marrt, Jul 30, 2010.

  1. marrt

    marrt New Member

    Messages:
    6
    I have a new detached garage. I need to add service to the garage. I also have a huge problem with sediment and several sediment filters. I was hoping to connect my service before the sediment filters (I will also use this service to water the garden). However, the sediment filter sits before the pressure tank. I seem to recall, in the back of my old mind, that one should not add a service in front of the pressure tank. Is it correct that you should NOT add a service between the well and pressure tank?
  2. hj

    hj Moderator & Master Plumber Staff Member

    Messages:
    27,242
    Location:
    Cave Creek, Arizona
    Partly it depends on where the check valve is. If you connect prior to the check valve, you will only get water while the pump is running and the pressure will be uncontrolled. The other factor is if you do connect after the check valve, every time you use the water, it will be coming out of the pressure tank, and thus "backflushing" the filter.
  3. mattbee24

    mattbee24 In the Trades

    Messages:
    100
    Location:
    Fremont, OH
    Really, it's not a good idea to have a filter before the pressure tank. If the filter gets plugged up, you could have a situation where your pump will never shut off.
  4. marrt

    marrt New Member

    Messages:
    6
    The check valve is on top of the pump in the well. Actually, backflushing the filter would be positive thing in most cases. My filter fills up very quick. None of the water from this extension would be used for drinking. It would be used to water my garden and general shop use (e.g., wash my hands mostly).
  5. marrt

    marrt New Member

    Messages:
    6
    Good point. I going to remove this filter. Too risky.
  6. hj

    hj Moderator & Master Plumber Staff Member

    Messages:
    27,242
    Location:
    Cave Creek, Arizona
    quote; None of the water from this extension would be used for drinking.

    And how would you ensure that no one would EVER drink water from the hose?
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