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// CODE SNIPPET

P3113.1 Size of Vents

Residential Code 2021 of Colorado > 31 Vents > P3113 Vent Pipe Sizing > P3113.1 Size of Vents
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The required diameter of individual vents, branch vents, circuit vents, vent stacks and stack vents shall be not less than one-half the required diameter of the drain served. The required size of the drain shall be determined in accordance with Chapter 30. Vent pipes shall be not less than 11/4 inches (32 mm) in diameter. Vents exceeding 40 feet (12 192 mm) in developed length shall be increased by one nominal pipe size for the entire developed length of the vent pipe.

Related Code Sections


P3113.1 Vents, Size of Vents
diameter of the drain served. The required size of the drain shall be determined in accordance with Chapter 30. Vent pipes shall be not less than 1 1 / 4 ...
Residential Code 2021 of Colorado > 31 Vents > P3113 Vent Pipe Sizing > P3113.1 Size of Vents
P3113.1 Vents, Size of Vents
diameter of the drain served. The required size of the drain shall be determined in accordance with Chapter 30. Vent pipes shall be not less than 1 1 / 4 ...
Residential Code 2018 of Colorado > 31 Vents > P3113 Vent Pipe Sizing > P3113.1 Size of Vents
503.10.3 Chimneys and Vents, Size of Vent Connector
Vent connectors shall be sized in accordance with Sections 503.10.3.1 through 503.10.3.5 ...
Fuel Gas Code 2018 of Colorado > 5 Chimneys and Vents > 503 (IFGS) Venting of Appliances > 503.10 Vent Connectors for Category I Appliances > 503.10.3 Size of Vent Connector
G2427.10.3 Fuel Gas, (503.10.3) Size of Vent Connector
Vent connectors shall be sized in accordance with Sections G2427.10.3.1 through G2427.3.5 ...
Residential Code 2021 of Colorado > 24 Fuel Gas > G2427 (503) Venting of Appliances > G2427.10 (503.10) Vent Connectors for Category I Appliances > G2427.10.3 (503.10.3) Size of Vent Connector
G2427.10.3 Fuel Gas, (503.10.3) Size of Vent Connector
Vent connectors shall be sized in accordance with Sections G2427.10.3.1 through G2427.3.5 ...
Residential Code 2018 of Colorado > 24 Fuel Gas > G2427 (503) Venting of Appliances > G2427.10 (503.10) Vent Connectors for Category I Appliances > G2427.10.3 (503.10.3) Size of Vent Connector
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