On this page, you'll find a helpful explanation on how a toilet works, with toilet plumbing diagrams and definitions of toilet parts. If you're trying to sort out why your toilet isn't operating right ...

Q. My city allows homeowners to install their own plumbing. But to get the permit, I need to supply them with a rough-in plumbing diagram. What is a plumbing diagram? Can I just do a bathroom plumbing ...