• Codes
  • Features

    Features Overview

    Go to features
    Reference

    Reference.

    A reliable and up-to-date source of codes.
    Research

    Research.

    Rapidly and efficiently calculate project parameters.
    Collaboration

    Collaboration.

    Get everyone on the same page and streamline code research.
    Workflows
    Architects General Contractor Building Official & Plans Examiner Inspectors Owner Subcontractors Code Consultants
  • Pricing
  • Login
  • Sign Up
Sign Up
Login
  • Code Library
  • Features
  • Pricing
  • About
  • Careers
  • Help
  • Contact
  • Terms
  • Privacy
Sign Up
Upgrade to Premium
Code calculators: Code Calculators automatically generates a detailed list of requirements.
REFERENCE
Amendment Styling
Industry-leading search
Suggested code sections
Code diagrams
RESEARCH
Code calculators
Filter by topic
Code compare
Code sheet exports
COLLABORATION
Team projects
Bookmarks
Comments
START 2 WEEK FREE TRIAL
Have an account? Sign in
// CODE SNIPPET

914.1 Circuit Vent Permitted

Plumbing Code 2012 of Tennessee > 9 Vents > 914 Circuit Venting > 914.1 Circuit Vent Permitted
JUMP TO FULL CODE CHAPTER
A maximum of eight fixtures connected to a horizontal branch drain shall be permitted to be circuit vented. Each fixture drain shall connect horizontally to the horizontal branch being circuit vented. The horizontal branch drain shall be classified as a vent from the most downstream fixture drain connection to the most upstream fixture drain connection to the horizontal branch.

914.1.1 Multiple Circuit-Vented Branches

Circuit-vented horizontal branch drains are permitted to be connected together. Each group of a maximum of eight fixtures shall be considered a separate circuit vent and shall conform to the requirements of this section.

Related Code Sections


914.1 Vents, Circuit Vent Permitted
A maximum of eight fixtures connected to a horizontal branch drain shall be permitted to be circuit vented. Each fixture drain shall connect ...
Plumbing Code 2012 of Tennessee > 9 Vents > 914 Circuit Venting > 914.1 Circuit Vent Permitted
P3110.1 Vents, Circuit Vent Permitted
A maximum of eight fixtures connected to a horizontal branch drain shall be permitted to be circuit vented. Each fixture drain shall connect ...
Residential Code 2009 of Tennessee > 31 Vents > P3110 Circuit Venting > P3110.1 Circuit Vent Permitted
P3104.1 Vents, Connection
and circuit vents shall be permitted to terminate at an air admittance valve in accordance with Section P3114 ...
Residential Code 2009 of Tennessee > 31 Vents > P3104 Vent Connections and Grades > P3104.1 Connection
P3114.3 Vents, Where Permitted
Individual vents, branch vents, circuit vents and stack vents shall be permitted to terminate with a connection to an air admittance valve ...
Residential Code 2009 of Tennessee > 31 Vents > P3114 Air Admittance Valves > P3114.3 Where Permitted
914.4 Vents, Relief Vent
A relief vent shall be provided for circuit-vented horizontal branches receiving the discharge of four or more water closets and connecting ...
Plumbing Code 2012 of Tennessee > 9 Vents > 914 Circuit Venting > 914.4 Relief Vent
Help Contact Us Privacy Terms
View thousands of relevant UL Certified products and assemblies that help achieve code compliance
View thousands of relevant UL Certified products and assemblies that help achieve code compliance
Access to UL product and system certification information.
Code sheet exports
Code sheet exports
Generate a code sheet that integrates with your drawing set.
Code diagrams
Code diagrams
Unpack the code through illustrations and descriptions.
Code Compare
Code Compare
Highlight differences between any two building codes.
Search
Search
Don't miss relevant code. Quickly locate sections across your jurisdiction.
Shared projects
Shared projects
Projects provide a dedicated space to collaborate on code research.
Code Calculators
Code Calculators
Code calculators automatically generate a detailed list of requirements.
UpCodes Premium
Leverage the most sophisticated code compliance platform.
TRY FREE FOR TWO WEEKS VISIT PRICING
Join the waitlist
We are looking to gauge the level of interest in linking UL product and system certification information alongside related code sections.

Let us know your email and we’ll ping you once it’s ready! Learn more.

Thank you for your interest!

If you’re open to it, we would love to jump on the phone to make sure we’re building this in the best way possible for your workflow. Any insight or advice would be greatly appreciated. We’ve sent you an email with a calendar link to book at time with us.


Cancel
Get Early Access
UpCodes Premium
Leverage the full code compliance platform.
START 2 WEEK FREE TRIAL LEARN MORE