• 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

702.9 Trap Priming Water

Green Construction Code 2012 of Maryland > 7 Water Resource Conservation, Quality and Efficiency > 702 Fixtures, Fittings, Equipment and Appliances > 702.9 Trap Priming Water
JUMP TO FULL CODE CHAPTER
Potable water shall not be used for trap priming purposes where an alternate nonpotable onsite water distribution system, a reclaimed water distribution system or a gray water distribution system is available.

702.9.1 Continuous Operation Prohibited

Trap primers that allow continuous water flow shall be prohibited.

702.9.2 Volume Limitation

Trap primers shall be of the type that use not more than 30 gallons (114 L) per year per trap.

702.9.3 Water Criteria

Where nonpotable water is available and is already being used to supply plumbing fixtures, such water shall be used to supply trap primers.

Related Code Sections


702.9 Water Resource Conservation, Quality and Efficiency, Trap Priming Water
Potable water shall not be used for trap priming purposes where an alternate nonpotable onsite water distribution system, a reclaimed water ...
Green Construction Code 2012 of Maryland > 7 Water Resource Conservation, Quality and Efficiency > 702 Fixtures, Fittings, Equipment and Appliances > 702.9 Trap Priming Water
708.12.2 Water Resource Conservation, Quality and Efficiency, Traps
Traps serving fixtures and devices discharging waste water to gray water reuse systems shall have a liquid seal of not less than 2 inches (51 mm ...
Green Construction Code 2012 of Maryland > 7 Water Resource Conservation, Quality and Efficiency > 708 Gray Water Systems > 708.12 Gray Water Systems > 708.12.2 Traps
1302.3 Nonpotable Water Systems, Traps
Traps serving fixtures and devices discharging waste water to on-site nonpotable water reuse systems shall comply with Section 1002.4 ...
Plumbing Code 2018 of Maryland > 13 Nonpotable Water Systems > 1302 On-Site Nonpotable Water Reuse Systems > 1302.3 Traps
Section 1103 Storm Drainage, Traps
Leaders and storm drains connected to a combined sewer shall be trapped. Individual storm water traps shall be installed on the storm water drain ...
Plumbing Code 2018 of Maryland > 11 Storm Drainage > 1103 Traps
1002.4 Traps, Interceptors and Separators, Trap Seals
A potable water-supplied trap seal primer valve shall ...
Plumbing Code 2018 of Maryland > 10 Traps, Interceptors and Separators > 1002 Trap Requirements > 1002.4 Trap Seals
Help Contact Us Privacy Terms
Code Calculators
Code Calculators
Code calculators automatically generate a detailed list of requirements.
Code Compare
Code Compare
Highlight differences between any two building codes.
Shared projects
Shared projects
Projects provide a dedicated space to collaborate on code research.
Search
Search
Don't miss relevant code. Quickly locate sections across your jurisdiction.
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.
UpCodes Premium
Leverage the most sophisticated code compliance platform.
TRY FREE FOR TWO WEEKS VISIT PRICING
UpCodes Premium
Leverage the full code compliance platform.
START 2 WEEK FREE TRIAL LEARN MORE