I -distiller yamanzi yindlela yokwelashwa yamanzi ekhiqiza amanzi angenakuphikiswa ngokuguqula amanzi abe yi-vapor ngaphambi kokuyiphoqa futhi ayibuyisele esimweni se-liquid. Njengoba ukuguqulwa kwamanzi kusuka ku-ketshezi ku-gaseous, lezi zingcolisiwe zishiywe egumbini elibilayo. I -distiller yamanzi ivame ukusetshenziswa ezibhedlela nasezindlini zokusebenzela.