The board of public utilities shall appoint a manager of production and distribution of the waterworks and electric-light plants to serve at the pleasure of the board. Such manager of production and distribution:
Except for office employees, all officers, employees, servants and agents of the water plant and electric-light plant shall be under the immediate control and management of the manager. A bond to the city in a sum to be fixed by the board conditioned on the faithful performance of the manager's duties shall be obtained and paid pro rata out of the revenue of the departments.
K.S.A. 13-1224