Drain line on a Fleck 7000SXT w/ 5gpm DLFC...

Discussion in 'Water Softener Forum, problems, installation and r' started by jkats, Jun 3, 2013.

  1. jkats

    jkats New Member

    Messages:
    23
    Location:
    CA
    Hi guys. I'm currently installing a couple of water softeners with Fleck 7000 SXT valves and 3.0 cubic ft of resin (14"x65" tanks). I was advised to use 3/4" pvc for the drain lines since they use a larger DLFC (the button says "500"). However, in one of the installs, the builders of the house supplied a "drain" next to the softener loop, and it's a 1/2" copper pipe. It's a finished garage, with no other drains around that I can see, so I'd rather not have to hack into the walls. Will using this 1/2" drain cause a problem with this size softener?

    Thanks!
  2. ditttohead

    ditttohead Water systems designer, R&D

    Messages:
    1,842
    Location:
    Ontario California
    You will be just fine. The 5 GPM is under the 8-10 FPS for 1/2" copper pipe. Larger diameter drain lines on softeners can often times reduce the systems noise slightly.
  3. jkats

    jkats New Member

    Messages:
    23
    Location:
    CA
    cool - thanks dittohead!
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