One huge change that came with the new Minnesota State Plumbing Code that went into effect on January 23rd of this year was the requirement for annual backflow preventer testing. Here's the exact code ...

The city of Kennewick received hundreds of calls after stepping up enforcement on the annual inspection of backflow valves on water systems. The valves prevent drinking water contamination. Bob Brawdy ...

Check valves are installed in many piping systems. Their purpose is to allow flow in only one direction, which can be critical for plant safety and to protect equipment from damage. There are a few ...

Check valves allow water to flow in only one direction, preventing backflow and ensuring system efficiency Historically, ...