What comes to mind when you hear the word “plumbing”? For most people, plumbing means their toilet, primarily, and maybe also their shower, sinks and dishwasher. In fact, however, there are many different types of plumbing systems, each responsible for a different kind of water and/or a gas inflow or outflow. If you are a homeowner, or even if you live in a rental and don’t want to have to deal with the landlord too often, it pays to educate…