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// CODE SNIPPET

803.2.1 Vent Connector Maximum Length

Los Angeles Mechanical Code > 8 Chimneys and Vents > 803.0 Sizing of Category Venting Systems > 803.2 Multiple Appliance Vent Table 803.2(1) Through Table 803.2(9) > 803.2.1 Vent Connector Maximum Length
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The maximum vent connector horizontal length shall be 18 inches per inch (18 mm/mm) of connector diameter as shown in Table 803.2.1, or as permitted by Section 803.2.2. [NFPA 54:13.2.2]

TABLE 803.2.1
VENT CONNECTOR MAXIMUM LENGTH
[NFPA 54: TABLE 13.2.2]
CONNECTOR
DIAMETER
(inches)
MAXIMUM CONNECTOR
HORIZONTAL LENGTH
(feet)
3 41/2
4 6
5 71/2
6 9
7 101/2
8 12
9 131/2
10 15
12 18
14 21
16 24
18 27
20 30
22 33
24 36
For SI units: 1 inch = 25.4 mm, 1 foot = 304.8 mm

Related Code Sections


510.2.1 Water Heaters, Vent Connector Maximum Length
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The maximum vent connector horizontal length shall be 18 inches per inch (18 mm/mm) of connector diameter as shown in Table 803.2.1, or as permitted ...
Los Angeles Mechanical Code > 8 Chimneys and Vents > 803.0 Sizing of Category Venting Systems > 803.2 Multiple Appliance Vent Table 803.2(1) Through Table 803.2(9) > 803.2.1 Vent Connector Maximum Length
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The maximum vent connector horizontal length shall be 18 inches per inch (18 mm/mm) of connector diameter as shown in Table 803.2.1, or as permitted ...
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