No brick, sheet metal, or earthenware flue, or chimney flue, shall be used as a sewer ventilator, or to ventilate any trap, drain, soil or waste pipe.
53 P.S. § 4639
No brick, sheet metal, or earthenware flue, or chimney flue, shall be used as a sewer ventilator, or to ventilate any trap, drain, soil or waste pipe.
53 P.S. § 4639