Welcome to the 50th anniversary issue of Plumbing Engineer! Serving engineers in the PHCP industry has been and continues to be an honor.

 The longtime supporter of Plumbing Engineer reflects on his advocacy of the plumbing engineering profession, ASPE and the power of the printed word.

Join IAPMO’s Pete DeMarco and Hugo Aguilar as they recall a half-century of milestones that have changed the plumbing industry more than any other time in history.

Plumbing Engineer and PHCPPros celebrate the nearly three decades that the Code Classroom columnist has shared his plumbing and piping expertise. 

Plumbing manufacturers have made great strides in product innovation over the last 50 years. PMI CEO/executive director Kerry Stackpole explains how these products have helped people globally.

One factor in increasing water efficiency in toilets is MaP testing, a test to see how much waste (soybean paste) could be flushed without clogging up. This standard test put all models on a level playing field. Read on to discover how John Koeller and his team established this plumbing benchmark, and what he sees for the future of water-efficient plumbing.

The frost-free hydrant is how this manufacturer started all those years ago. Many of Murdock Mfg.’s century-old water fountains still exist in recreational areas nationwide. Read on to see how this manufacturer intends to move into its next century.

Watts focuses its sustainable product solutions on safety and regulation, water conservation and energy efficiency. It also focuses inward as it begins to reduce its water, energy, carbon and waste footprints across all operations.

The proper prevention of bacteria growth is achieved by proper system design, system maintenance and added system solutions. However, the effectiveness of these treatments, solutions and processes can vary with the different types of buildings and applications. They can have negative effects if applied incorrectly. Read on for tips on applying these solutions.

AquaGuard donates WAGS trainer valves to plumbing programs to teach students and apprentices the value of adding a leak detection system to a water heater installation. The returned and activated WAGS valves are rebuilt and re-used in its cost-effective Evergreen Program.

Looking back to a case from 1973, Steven Nudelman explains this negligence claim where a contractor was forced to pay for additional materials and labor because of an architect’s errors and omissions.

Most businesses have a diverse generational culture, but how do people of these age groups work together? They have different life experiences and views on work-life balance. Read how Jill Imig, a millennial department leader, works with her diverse-age team.  

Current codes call for the installation of fire sprinklers in many instances in new construction, but there are still many cases where sprinklers are not required. 

Read this month’s BF Nagy column to learn about ASHRAE Standard 241, Control of Infectious Aerosols (in Buildings) to reduce the risk of airborne disease transmission, such as SARS-COV-2 virus, the flu virus and other pathogens in buildings. Also, discover heat batteries and how they can help with decarbonization. 

As this publication celebrates 50 years of educating plumbing professionals about codes and standards, Ron George focuses attention on how five decades of those codes and standards have shaped the plumbing systems we have today.