The governing body of any municipality, incorporated community or water, sewer or public service district in any county which has under this article by resolution or ordinance provided and prescribed rules and regulations applicable to the territory comprised within such municipality, incorporated community or district may create by resolution or ordinance a city, town or district board of plumbing examiners, as the case may be, consisting of three members, one of whom shall be the county health officer, who shall be ex officio a member and the chairman of such board. The second member of any such board shall be a master or journeyman plumber with not less than four years’ experience and the third member shall be a journeyman plumber with not less than two years’ experience. Such second and third members of any such board shall be appointed by the governing body creating the board or a majority thereof. Each of such appointees shall hold office for the term of one year and until his successor is appointed as herein provided for and any vacancy in the appointed membership of the board shall be filled for the unexpired term in the manner of the original appointment. Any such board shall meet upon the call of the chairman and organize as soon as practicable after the making of the original appointments.