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// CODE SNIPPET

L 502.7.3 Hot Water System Submeters

Uniform Plumbing Code 2018 of Nevada > L Sustainable Practices > L 502.0 Service Hot Water — Low-Rise Residential Buildings > L 502.7 Maximum Volume of Hot Water > L 502.7.3 Hot Water System Submeters
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Where a hot water pipe from a circulation loop or electric heat trace line is equipped with a submeter, the hot water distribution system downstream of the submeter shall have either an end-of-line hot water circulation pump or shall be electrically heat traced. The maximum volume of water in a branch from the circulation loop or electric heat trace line downstream of the submeter shall not exceed 16 oz (473 mL).
Where there is no circulation loop or electric heat traced line downstream of the submeter, the submeter shall be located within 2 feet (610 mm) of the central hot water system; or the branch line to the submeter shall be circulated or heat traced to within 2 feet (610 mm) of the submeter. The maximum volume from the submeter to each fixture shall not exceed 32 oz (946 mL).
The circulation pump controls shall comply with the provisions of Section L 501.4.

Related Code Sections


L 502.7.3 Sustainable Practices, Hot Water System Submeters
Where a hot water pipe from a circulation loop or electric heat trace line is equipped with a submeter, the hot water distribution system downstream ...
Uniform Plumbing Code 2018 of Nevada > L Sustainable Practices > L 502.0 Service Hot Water — Low-Rise Residential Buildings > L 502.7 Maximum Volume of Hot Water > L 502.7.3 Hot Water System Submeters
E 402.0 Sustainable Practices, Meters
A water meter shall be required for buildings connected to a public water system, including municipally supplied reclaimed (recycled) water. In other ...
Uniform Mechanical Code 2018 of Nevada > E Sustainable Practices > E 402.0 Meters
L 407.0 Sustainable Practices, Meters
A water meter shall be required for buildings connected to a public water system, including municipally supplied reclaimed (recycled) water. In other ...
Uniform Plumbing Code 2018 of Nevada > L Sustainable Practices > L 407.0 Meters
2.5-2.2.3.2 Building Systems, Recirculation of Hot Water
Heated potable water distribution systems serving resident areas shall be under constant recirculation to provide continuous hot water at each hot ...
Guidelines for Design and Construction of Residential Health, Care, and Support Facilities 2018 of Nevada > 2.5 Building Systems > 2.5-2 Plumbing Systems > 2.5-2.2 Plumbing and Other Piping Systems > *2.5-2.2.3 Heated Potable Water Distribution Systems > 2.5-2.2.3.2 Recirculation of Hot Water
G3.1.3.5 Normative Appendix G Performance Rating Method, Hot-Water Pumps
The baseline building design hot-water pump power shall be 19 W/gpm. The pumping system shall be modeled as primary-only with continuous variable ...
Energy Standard for Buildings Except Low-Rise Residential Buildings 2016 of Nevada > Normative Appendix G Performance Rating Method > G3 Calculation of the Proposed Design and Baseline Building Performance > G3.1 Building Performance Calculations > G3.1.3 System-Specific Baseline HVAC System Requirements > G3.1.3.5 Hot-Water Pumps
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