On July 29, 2020, IAPMO and AWWA entered into a Cooperative Development Agreement to develop a manual of recommended practice to support providing safe and effective water efficiency and water quality provisions for the built environment.
In collaboration with the United Association of Journeymen and Apprentices of the Plumbing and Pipefitting Industry of the United States and Canada (UA), IAPMO is pleased to announce the release of the fourth edition of IAPMO’s Backflow Prevention Reference Manual.
Hot water recirculation systems have been misunderstood and plagued with problem resolutions that don’t stand the test of time. The author says this results from first-order thinking — simplistic and superficial. Read on to discover how deep and complex second-order thinking can help improve the design of these systems.