ASSE 1037-2020/ASME A112.1037-2020/CSA B125.37:20
Performance Requirements for Pressurized Flushing Devices for Plumbing Fixtures

ANSI Approved: July 2020

This standard covers pressurized flushing devices (PFDs) intended to flush water closets, urinals, and other plumbing fixtures and specifies requirements for materials, design, methods of operation, test methods, and markings.

A downloadable version of this standard is also available.