1333.06  PLUMBING.
   (a)   A mobile home shall contain at least one:
      Kitchen sink;
      Flush type water closet;
      Bathtub or shower; and
      Lavatory.
   (b)   Hot and cold water supply shall be provided at kitchen sink, bathtub or shower and lavatory.  Cold water shall be supplied to water closet.
   (c)   Plumbing system shall be designed and arranged so as to facilitate connecting to approved exterior water supply and sewage disposal systems, provide adequate water supply to all plumbing fixtures and dispose of all liquid wastes therefrom.