This Standard covers spuds and flush valves for water closet bowls, tanks, and urinals.

This publication is “harmonized” — developed in response to an industry request for a uniform standard that would be acceptable in both the United States and Canada. It offers comprehensive solutions applying to the design, construction, installation, performance, operation, inspection, testing and marking of these components used for plumbing purposes.

ASME A112.19.5/CSA B45.15 is to be used in conjunction with components described in other volumes of the ASME A112 series. Careful application of these A112 standards will help users to comply with pertinent regulations, while achieving the operational and safety benefits to be gained from the many industry best-practices detailed within these volumes.

Intended for manufacturers of plumbing materials and equipment to enhance water conservation and comply with jurisdictional regulation, plus governmental and other regulatory bodies.