[Greenbuilding] History of toilet flush volume

[Reuben Deumling]

The version of the article published in Plumbing and Mechanical Magazine
featured a graph which I can't access. If anyone on this list receives this
publication, might I trouble you to send me the graph? I would be much
obliged.
This link is to the magazine's login page, and it may take you from there
directly to the article.
*http://tinyurl.com/6jtt2r*

If not, the link google turns up is the following:
www.pmmag.com/CDA/Archives/964140b2520d7010VgnVCM100000f932a8c0____

Thanks very much.

Reuben Deumling


On Tue, Apr 22, 2008 at 12:32 PM, Stephen Collette <
stephen at yourhealthyhouse.ca> wrote:

> Thanks Reuben, that's a great article!
>
> Stephen
>
> Stephen Collette BBEC, LEED AP
> Principal
> Your Healthy House - Indoor Environmental Testing & Building Consulting
> www.yourhealthyhouse.ca
> stephen at yourhealthyhouse.ca
> 705.652.5159
>
>
>
> On 21-Apr-08, at 11:49 PM, Reuben Deumling wrote:
>
> > This has been most instructive. Thank you all for your links and
> > insights. Via Mark Piepkorn, and Gary Tjader of <ThisOldToilet.com>
> > I eventually chanced on at article (link below), by R. Bruce Martin,
> > which of the several dozen I've read today seems the most
> > authoritative. Interestingly, although it confirms my suspicion:
> > "Massive flush consumption of the typical North American water
> > closet was not always that way. Back in the 1920s, for example, the
> > common toilet used about two gpf. Because its storage vessel affixed
> > to the wall up by the ceiling, the greater head pressure resulted in
> > a much higher injection velocity of water into the bowl."
> > Mr. Martin also asserts that:
> > "Throughout the 1930s, 40s and 50s, water closet consumption per
> > flush continued to increase until reaching a plateau in the 1960s of
> > five to seven gpf for two-piece close coupled WCs and eight to 12
> > gpf for one-piece units."
> >
> > http://www.edcmag.com/CDA/Archives/
> > 639a46a3ab697010VgnVCM100000f932a8c0
> >
> > Reuben Deumling
> >
>
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