A pumping system comprises:
Traditional water features (eg at the Villa d'Este, Versailles, and Caserta) relied on gravity. They drew water from a river, stored it in a reservoir and discharged the water into a river. This was expensive. Modern fountains generally have a closed system using electric pumps to re-circulate water. The two main types of pump are:
Manufacturers offer fountain kits comprising a submersible pump, piping, nozzles and valves. They may be more expensive than buying the components separately but they are easier to install and the parts work together.
Dry pump, in a pump chamber, drawing water from a pond and supplying a fountain.
Submersible pump kit with filter and fountain attachment