This specification establishes the criteria for high-efficiency flushometer-valve water closet fixtures and high-efficiency flushometer valves under the U.S. Environmental Protection Agency's (EPA's) WaterSense program.
You may need a PDF reader to view some of the files on this page. See EPA’s About PDF page to learn more.- WS-products-spec-fv-toilets.pdf (PDF)(6 pp, 247 K)