Will Toto Drake/septic work with no grey water in toilet line to add water?

Discussion in 'Plumbing Forum, Professional & DIY Advice, Tips & ' started by rgs, Mar 9, 2013.

  1. rgs

    rgs New Member

    Messages:
    18
    Location:
    Nova Scotia
    Thinking about a Toto Drake. It would go on the 2nd floor of my house so there's a 2 story drop from the toilet down the line to the ground and then about 15 feet to a 90 degree turn and another 35 feet or so to the septic tank, gradually downhill all the way. I'm wondering if a 6 litre flush as in the Toto Drake be enough to move things along. Naturally there would be other flushes in between with just urine. My grey water is separate from the septic tank so there would be no extra water going through from washing, etc.

    Thanks for your input.

    Richard
  2. Terry

    Terry Administrator Staff Member

    Messages:
    14,798
    Location:
    Bothell, Washington
    They work just fine for that.
  3. Gary Swart

    Gary Swart In the Trades

    Messages:
    7,308
    Location:
    Yakima WA
    Many folks do not understand that poop does not make it to the sewer or septic tank with the first flush. This is normal, so don't worry about it.
  4. rgs

    rgs New Member

    Messages:
    18
    Location:
    Nova Scotia
    Thanks for the quick replies. I didn't think it made it there on the first flush, but as long as it eventually gets there on just toilet flushes and no grey water, I'm happy. If you guys are confident, I'm confident.
  5. hj

    hj Moderator & Master Plumber Staff Member

    Messages:
    26,293
    Location:
    Cave Creek, Arizona
    If it didn't what would be your alternatives?
  6. rgs

    rgs New Member

    Messages:
    18
    Location:
    Nova Scotia
    Flushing more often to add more water is about the only one I can think of. With the old toilet I'm putting through seven gallons per flush vs only 1.6 with the Toto.
    Last edited: Mar 10, 2013
  7. Terry

    Terry Administrator Staff Member

    Messages:
    14,798
    Location:
    Bothell, Washington
    The old bowls flushed so slowly that there wasn't really a surge. A toilet easily move waste 50 plus feet on the horizontal.
    My parents home went 250 to the public sewer. It's never been a problem. It has two bowls of 1.6 gallons and one old 3.5
  8. rgs

    rgs New Member

    Messages:
    18
    Location:
    Nova Scotia
    Was their grey water separate as well or do you think that's not much of a consideration in the horizontal movement of waste?
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