This specification addresses flushometer-valve water closets, including fixtures that receive liquid and solid waste and use water to convey waste through a trap seal into a gravity drainage system, as well as flushometer valves that deliver water to water closet fixtures via a pressurized water supply line.
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-support-statement-fv-toilets.pdf (PDF)(12 pp, 306 K)