53 Pa. Stat. § 15327
The Director of the Department of Health shall appoint a board, to be known as the Board of Plumbing Supervision of the Department of Health. It shall consist of the Director of the Department of Health, one representative of the House Drainage Division of the Division of Housing and Sanitation, four certified licensed master plumbers, and one licensed journeyman plumber. A master plumber, who may qualify as an appointee, must conduct a bona fide shop and be actively engaged in the trade of plumbing, and those qualifying must not hold a position with the city or in any other manner be connected with the city, or be an officer of a political party. Three members of the board shall be appointed for a term of three years, and two for a term of two years.
53 P.S. § 15327