// CODE SNIPPET
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]
For SI units: 1 inch = 25.4 mm, 1 foot = 304.8 mm
| 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 |
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