I’m about to throw you a pitch that will most certainly be a “game changer” in your plumbing and plumbing-design career. However, before I do that, let me use a few baseball analogies that best describe this new pitch and where it came from.First, I’ll introduce you to the gentleman who originally invented it, or who I’ll call the coach. Then, we’ll take a brief look at the pitching staff, or the researchers, that advanced it. Finally, I’ll give you the pitch or the water demand calculator and show you that, when thrown correctly, how it will give you a
