Codes & Standards: What’s the Difference?

Codes and standards are two important aspects of establishing the national infrastructure, yet the two are often confused. The fact that many people use...

Temperature Control Devices

Safety is a main focus of this edition of Working Pressure. One category of safety equipment used in plumbing systems are those products that...

Backflow Preventers with Beverage Dispensers

There is one application of backflow preventers that is often overlooked — the use of backflow preventers with beverage dispensers. This application is important...

ASSE / IAPMO IGCs

Technologies continue to improve the performance and sophistication of plumbing systems, as well as their ability to monitor and control the water we use....

Reverse Osmosis Water Efficiency

In keeping with the theme of this issue, I decided to provide some history and background into the development of ASSE 1086, Performance Requirements...

Water Treatment Standards

I have several posters on display in my office — some of which were contenders in the World Plumbing Council’s 2011 International Student Poster...

Our Crucial Work Continues

As the year closes, it is time to reflect on the activities of 2021. Despite all the challenges of 2021, the realm of standards...

2021 RP/DC Revisions

There are many types of backflow protection devices and assemblies – each is designed for a specific application – but the most prominent of...

Plumbing of the Twenty First Century

Plumbing is one of the most under-appreciated inventions. Yet, plumbing ranks as one of the greatest innovations to benefit humankind, preceded only by inventions...

How Chemical Dispensing Equipment Works

Chemical dispensing equipment, as defined in ANSI/CAN/ASSE/IAPMO 1055-2020, Performance Requirements for Chemical Dispensers with Integral Backflow Protection, consists of several independently operating components with...