Sloan’s ST-2459 top spud wall-hung water closet is designed to maximize flushing performance in lower flushing volume applications. The universal flushing volume can accommodate any high-efficiency flush volume including 1.1 gal. per flush. It also features an increased backplate strength and higher static load capability. It features a larger water spot to minimize streaking and stains. It is ADA-compliant, Green-certified by IAPMO, meets ASME 112.19.2-2013/CSA B45.1-13 standards, and is compliant with the Buy American Act when purchased as a combination package.