The Zurn ZER6000AV-CPM Sensor Operated Flush Valve unit features Zurn AquaVantage® technology. This unit features a high-efficiency diaphragm type flush valve that is battery powered. This flush valve has quiet sensor operation for top spud water closets. This flush valve offers a 31% water savings over 1.6 gpf system that contributes to achieving LEED 30% threshold. This unit has chemical resistant gaskets and seals for extended service life.