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Designer's Guide

The Elusive Code

Unraveling the mysteries in pipe sizing, velocity and flow.

May 8, 2017

Pipe sizing is, of course, one of the main purposes and challenges of plumbing design. Everyone reading this article should...

CDC study finds Legionella DNA in 84 percent of cooling towers across the U.S.?

May 4, 2017

Researchers from the Centers for Disease Control and Prevention said they found the Legionella bacteria prevalent in cooling towers throughout...

DEA contributes changes to National Standard Plumbing Code

April 11, 2017

The Dispensing Equipment Alliance (DEA), comprised of the leading manufacturers in the dispensing equipment industry, has contributed new language to...

PMI technical director joins committees overseeing plumbing industry standards and codes

April 6, 2017

Matt Sigler, Plumbing Manufacturers International (PMI) technical director , has added two more committee appointments to his list of active...

What we know about the deadly St. Louis boiler explosion

April 6, 2017

A boiler explosion on April 3 in St. Louis that killed three people and injured four is raising questions about...

IAPMO advances development of 2017 Water Efficiency and Sanitation Standard

April 4, 2017

The International Association of Plumbing and Mechanical Officials (IAPMO) convened the Water Efficiency and Sanitation Standard (WE•Stand) Technical Committee (TC)...

Coalition challenges Trump over delay of energy efficiency rules

April 4, 2017

A coalition of states is suing the Trump administration over the delay of energy-efficiency standards for consumer and commercial products....

Vermont House passes Energy Star Backup bill

March 29, 2017

The Vermont House approved a bill (HB-411) on March 22 that would put energy efficiency standards for residential, commercial, and...

Water Heater Regulations

In 2015, new federal regulations took effect that required water heaters to be more energy efficient. Here’s a recap of the standards, what’s happened since, and what’s in the pipeline going forward.

March 29, 2017

Sharon Rehana

As of April 16, 2015, water heater manufacturers were to comply with new Department of Energy (DOE) efficiency standards, which...