1. shopco

    shopco New Member

    Messages:
    45
    Location:
    Riverside, CA
    Is the Fleck 2850 suitable for a GAC backwashing filter? I was thinking about picking up a used one for that purpose but when I checked the on-line manuals (for possible repair costs) they seem to indicate that it is softener valve, not a filter valve. I understand that filter valves are down-flow with an up-flow regeneration. The valve in question was advertised as a filter valve but I'm not so sure.
  2. Akpsdvan

    Akpsdvan In the Trades

    Messages:
    1,486
    Location:
    Alaska
    On the large size for a house and the top of the tank will need to be 4" not the 2 1/2 of the 2750.
    Also the 2850 is 1 1/2 in out.. in at the back and out on the side.
    It can be used as softener, filter flat cap and Pot Per Greensand filter.
    Valve parts will not be cheep... piston and seal pack are costly.
  3. shopco

    shopco New Member

    Messages:
    45
    Location:
    Riverside, CA
    It will be going on a 14x64 tank and will fit. I know it is over-sized but the one I am looking at is cheap, that is why I am considering it. The question is; is this a filter valve or a softener valve?
  4. nhmaster3015

    nhmaster3015 Master Plumber

    Messages:
    836
    Location:
    The granite state
    It could be adjusted to work but like everyone else said, probably not a good choice. It is a large commercial valve designed for high flow rates. I'd keep looking.
  5. shopco

    shopco New Member

    Messages:
    45
    Location:
    Riverside, CA
    I'm going to take that advice, thank you
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