Historical
ANSI/ASME A112.1.3-2000
Air Gap Fittings for Use with Plumbing Fixtures, Appliances and Appurtenances (Reaffirmed 2005)
This Standard established physical, requirements and methods of testing for an gap fittings for protecting against back siphonage and pressure backflow. [Publish text of changes 30-day]
American Society of Mechanical Engineers [asme]