Would the USGBC accept a dual flush converter as compliant vs installing new toilets?
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EBOM-2009 WEc2: Additional Indoor Plumbing Fixture and Fitting Efficiency
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Dual Flush Converters
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Jason Franken
Sustainability ProfessionalLEEDuser Expert
608 thumbs up
September 13, 2011 - 10:19 am
Yes, you can replace/retrofit your existing hardware with a dual-flush flushometer. There are two things to keep in mind:
1) Since you are replacing the flushometer for the purposes of your LEED project, and since the retrofit is not considered a major plumbing renovation (i.e. no pipes or tile replaced), you are still allowed to count these retrofitted fixture as pre-1993 fixtures in your calculations.
2) Make sure to do a little research to ensure that your existing toilet bowls will still be able to flush properly with a reduced volume of water. Some older toilets that are designed to use 3.5 gpf will not function properly when only 1.6 gpf or lower is used.