Changes found in this seventh edition were primarily made to clarify and standardize the procedures within the booklet and ensure that the procedures mirror the steps found in the ASSE/IAPMO/ANSI Series 5000-2022, "Cross-Connection Control Professional Qualifications Standard."

Two facets of building infrastructure have gained close attention in the wake of widespread disease: Indoor air quality and water quality within commercial structures. Adding to the problem of providing clean water, globally, are challenges posed by an aging municipal and commercial infrastructure.

The Mikrofill 3 hydronic system pressurization unit is the most advanced, “direct-type” pressurization unit available for sealed, low-pressure hot-water (LPHW) and chilled-water (CHW) commercial and multifamily residential applications, the company says. 

When you ask Bruce Hornberger to talk about his company, M & H Sales, he smiles and says he is blessed. Founded in 1994 with his business partner, Doug Martin, the company employs six people and represents six lines in the mid-Atlantic region.

Flush, flush, flush! For safety. Not your toilets’ but your customers’ water systems after any backflow incident or breach in the line.

Check valves are ubiquitous in all sorts of piping systems. Although they may be familiar to plumbing and mechanical contractors, the more than half dozen different types of check valves are designed for different functions and types of service. Contractors need to take care to select the correct check valves for the piping systems they are designing and installing.

It is equipped with quick connects and an easy-to-squeeze trigger system.

Fisher offers multiple solutions for backflow prevention.