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.
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.
In collaboration with the United Association, the International Association of Plumbing and Mechanical Officials released the third edition of its Backflow Prevention Reference Manual.