In homes that do not have a recirculation pumps it may take several seconds to get hot water but with a recirculating pump you constantly get hot water. This is made possible by a loop in the system. Buildings like hotels, hospitals and commercial office buildings use recirc pumps. More...

There are two ways to become a plumber. One way is to go to a trade school and learn by the book and the second way of becoming a plumber is to become an apprentice. There are advantages and disadvantages of both methods. There is no law saying that you have to go to school to become a plumber, all you need is to pass your license test and then you are a plumber. More...

Plumbing is sometimes confused with water and sewage system but a way to tell them apart is that plumbing serves an individual building while water and sewage systems service buildings and cities underground. Plumbing in its basic form back in the ancient society went on for many centuries without any progress until the 19th century when aqueducts and lead pipes were introduced. More...