1305.01 MINIMUM SIZING OF PLUMBING VENT SYSTEMS; USE OF AIR ADMITTANCE VALVES PROHIBITED.
   (a)   A minimum of three (3) inch main vent through the roof when constructing the plumbing in a dwellings venting system.
   (b)   The use of Air Admittance Valves in plumbing systems connected to the public sewer system is prohibited.
(Ord. 22-10.  Passed 11-9-10.)