The 2015 Uniform Plumbing Code touches on the various methods to prevent backflow and back shiphonage in section 603.3, but diving a bit deeper could be useful.
Mr. Rooter Plumbing celebrated World Health Day earlier this week by helping to raise awareness of the ongoing health concerns plaguing humanity today.
The Charlotte, North Carolina area has .75 to 1.5 parts per million of chlorine in its water and outlying areas have up to 3.5 ppm of chloramine, a derivitive of ammonia. It’s almost like drinking pool water, says Paul Stefano, general manager of the Charlotte Benjamin Franklin Plumbing franchise.
Phoenix has some of the worst water in the country. The aggressive water coming from the Colorado River and other sources is heavily mineralized and loaded with calcium carbonates — so much so that the water becomes conductive.