• ASME A112-1002-2020

    Anti-Siphon Fill Valves for Water Closet Tanks

    This Standard covers plumbing waste fittings of sizes NPS-2 and smaller. This Standard does not cover: (a) plumbing supply fittings, which are covered by ASME A112.18.1/CSA B125.1; (b) other devices (e.g., temperature-actuated in-line mixing valves), which are covered by CSA B125.3 or other plumbing product standards; and (c) flexible water connectors under continuous pressure, which…