Strainers and Fixture Outlets

Section 890 Section 890.670  Strainers and Fixture Outlets a)         Strainers.  All plumbing fixtures other than water closets, urinals with integral traps, and any sink outlet having a disposal unit shall be provided with a strainer.  A pop-up waste shall be considered a strainer. b)         Bathtubs − Waste Outlets.  The waste outlet for a bathtub shall have a strainer or stopper and shall have an outlet at least one and one-half (1 ½) inches in diameter.