i installed this backflow preventer. did i do it right?

Discussion in 'Plumbing Forum, Professional & DIY Advice, Tips & ' started by CanOfWorms, Apr 11, 2013.

  1. CanOfWorms

    CanOfWorms Member

    Messages:
    174
    Location:
    New Jersey
    I have the direction of flow right? I am not getting waste water in the dump pit, but want to sure.
    IMAG0796.jpg
  2. Gary Swart

    Gary Swart In the Trades

    Messages:
    7,298
    Location:
    Yakima WA
    Don't know about the BFP, but you used the wrong Fernco connectors. The connectors for above-ground applications are supposed to be the banded couplers. Now, these may work OK, but your inspector may not like them. My limited experience with BFP is for irrigation purposes and are obviously totally different, but I would think there would be an arrow indicating the direction of flow stamped on the case.
  3. DaveHo

    DaveHo New Member

    Messages:
    53
    Location:
    SE PA
    What Gary said. Also, you typed "dump pit" but I'm going to guess you meant sump pit. Pumping sump water into the sanitary sewer is illegal in many places.
  4. CanOfWorms

    CanOfWorms Member

    Messages:
    174
    Location:
    New Jersey
    The dump is from a tub. The connectors came with it. But I can see shy no hubs would be better.
  5. hj

    hj Moderator & Master Plumber Staff Member

    Messages:
    26,245
    Location:
    Cave Creek, Arizona
    Those connectors help absorb the pressure change when the pump starts, otherwise it might push the pipes apart. They are always used with that type of check valve. The ones on the 'large" pipe, however, are incorrect.
  6. CanOfWorms

    CanOfWorms Member

    Messages:
    174
    Location:
    New Jersey
    I didn't put those in, but I can't imagine getting a no hub in there.
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