The Commissioners may demote to a lower rated position any employe who does not satisfactorily perform the duties of the position to which he was appointed or promoted and who is able to perform the duties of the lower position. In case of such demotion, the employe shall have all rights of hearing and appeal as provided by §§ 127.8 and 127.9 (relating to removal; and appeal).
37 Pa. Code § 127.4