Marine Plumbing & Ventilation - Impellers

An impeller in case of a boat is made up of a series of flexible rubber vanes attaches to a central hub. This hub rotates around an axis inside a stainless-steel liner that is housed within the pump. Cold water is pumped by the impeller into the boat'e engine in order in order to cool it down while under load. Impeller is the rotating part of a centrifugal pump or mixer, compressor, or other machine designed to move a fluid by rotation.