Backflow Testing – Why Is It Necessary?

Before we go deep into the need and necessity for backflow testing, it is imperative to know about what is the backflow? As per technical information given in the books of plumbing, backflow is a condition when water runs backward through the water system. Drinking water flows from the source to the faucet through pressurized water pipes. Sometimes, the water flows in the opposite direction and causes backward flow. Read More...