MaP is a Maximum Performance scale, which rates toilet efficiency and flush performance plus gives detailed information on individual toilet characteristics. The result is up-to-date, independently verified comprehensive toilet information.
MaP scores represent the number of grams of solid waste (soybean paste and toilet paper) that a particular toilet can flush and remove from the fixture in a SINGLE FLUSH.
MaP was developed in 2002-03 in response to the many complaints of the 1990s about the new “low-flow” toilets (which, by the way, flushed with 1.6 gallons of water, less 50% of the water used in its predecessors of the 1980s!). For more information on the background of MaP over the past few decades, click here.
While many toilet performance tests have existed for years (manufacturers tests, Consumer Reports and plumbing codes), ONLY MaP offers consumers results from REAL WORLD demands put upon a toilet. MaP testing was initiated specifically to identify how well popular models performed using realistic test media (fecal simulation).
MaP incorporates the use of soybean paste and toilet paper to duplicate the real world demands put upon toilets. Each toilet is tested to failure - - that is, soybean paste is repeatedly added to the toilet until the fixture can no longer remove it in a single flush. Since 2003, ove 2,200 different tank-type toilet models have been tested and reported in the MaP online database. Another 350 commercial flushometer valve/bowl combinations have also been MaP tested and reported.