(A) After installation is completed, and before leaving the premises, all air must be blown from piping and appliances and all pilot burners must be lighted and properly adjusted.
(B) When purging pipes supply equipment which has burners enclosed in spaces wherein gas may collect the air shall be blown from an opening outside the enclosure, such as the end of the manifold.
(Ord. 19, passed 1-7-1955) Penalty, see § 156.999