The installation, alteration, maintenance, extension or replacement of any plumbing, including domestic water heating equipment, as defined by the plumbing laws of the state, and §§ 154.20 through 154.24 is not permitted to be done by any licensee under this chapter, unless such licensee is also licensed as a master plumber under the plumbing laws of the state and is registered in accordance with the provisions of the said §§ 154.20 through 154.24.
(Ord. 19, passed 1-7-1955) Penalty, see § 156.999