When I first entered the trades in 1972, residential tank-style water heaters shipped with the aquastat set to approximately 140° F. Dishwashers had no need to incorporate a sanitizing cycle. Around 1977, water heater manufacturers were required to lower the aquastat temperature setting to approximately 120°, and now, dishwashers needed to incorporate a sanitizing cycle where rinse water in their reservoir was raised to 140° or higher.

Legionnaires’ disease, first identified in 1976, is caused by water contaminated with Legionella pneumophilia which, when disseminated in droplets into the atmosphere and inhaled, may infect a person. 

By completing all eight modules, engineers can receive 0.25 Continuing Education Units (CEUs) through the American Society of Plumbing Engineers (ASPE), and all participants who complete the modules will receive a Certificate of Completion for the course

Unsurprisingly, IAPMO announced that its first meeting to review the plumbing code and mechanical code changes will be held virtually. 

The two-day special session, hosted by NSF Health Sciences, an NSF International company, and the National Environmental Health Association (NEHA), will also address how industries such as health care, water utilities, manufacturing and hospitality, as well as health departments and regulators, can better respond to water-related challenges during a major health crisis.

Anyone can become ASSE-12080 certified by completing 24 hours of approved education and then passing the ASSE-proctored exam.

By attending the entire live webinar, attendees can receive 0.1 CEU ASPE.

Cooling towers are a critical component of many buildings’ cooling systems, as they are the points where heat is dissipated into the atmosphere through an evaporative process. 

Government centers, shopping malls, schools, sports arenas and other venues shuttered due to the COVID-19 lockdowns require extra precaution when reopening to protect building water health. 

Legionella can grow to outbreak levels in seven days, but traditional Legionella culture-testing methods take 14 days to provide a result, LiquiTech points out.