// CODE SNIPPET
702.9 Trap Priming Water
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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.
Trap primers that allow continuous water flow shall be prohibited.
Trap primers shall be of the type that use not more than 30 gallons (114 L) per year per trap.
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
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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 ...
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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 ...
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