Pressure Assist Toilet Retrofit???

Discussion in 'Toilet Forum discussions' started by ram5eyd, Feb 18, 2008.

  1. ram5eyd

    ram5eyd New Member

    Messages:
    1
    I'm looking for a kit that will convert my old toilet to a pressure-assist, but the flushmate and pf2 says they won't retrofit to gravity toilets. Is there some physics that says this can't happen? I suppose the manufacturers would rather sell you a whole new toilet than a conversion kit. Does anyone know if there is a drop-in kit out there?
  2. jadnashua

    jadnashua Retired Defense Industry Engineer xxx

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    21,892
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    New England
    Pressure assist won't make a poorly performing toilet work better. The waterways are different, in theory at least, so retrofit is a pot shot at best, and unlikely to work if you could find the parts.
  3. Herk

    Herk Plumber

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    547
    Location:
    S.E. Idaho
    Although this may be possible it is doubtful it would work. Those pressure tanks blow the water out at a very quick speed and you'd most likely have water shooting up out of the toilet if it wasn't properly designed. My old Gerber Powerflush is bad enough with just the spray that I usually close the lid before I flush it.
  4. Cass

    Cass Plumber

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    You will be waisting time and $$$
  5. jimbo

    jimbo Plumber

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    Location:
    San Diego
    From the Sloan Flushmate website: "The FLUSHMATE® Pressure-Assist system is a component inside of a specially designed toilet that harnesses the pressure from the water supply line to provide the energy needed to complete the flush. The FLUSHMATE® Pressure-Assist technology cannot be retrofitted into a standard, gravity-fed toilet."
  6. Terry

    Terry Administrator Staff Member

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    Bothell, Washington
    I did see a pressure assist tank installed on an old 5.0 gallon bowl.
    It did not flush, it only stirred the water.

    A 1.5 gallon flush needs a matching 1.5 gallon bowl.

    Besides, you can get pretty much the same result with a good Gravity tank and bowl. Those have to be matching too.
  7. Redwood

    Redwood Master Plumber

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    7,453
    Location:
    Connecticut
    I have replaced many of the early "Kohlers own" pressure assisted toilets in commercial applications with gravity flush Toto Drake Toilets with no complaints. In somecases The owner or manager has called me to install them in their own house... Whats not to like about a toilet that works good?
  8. Joerg

    Joerg New Member

    Messages:
    138
    Location:
    Califonia
    Also, one should note that pressure-assist toilets are extremely loud. The classical flushing sound at 704 Houser Street (Archie Bunker) is nothing compared to a pressure-assist. I wish there was a trick to quiet them down a bit.

    Regards, Joerg.
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