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§27-870 Chimney Connector Construction
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Chimney connectors except those serving incinerators shall be constructed of galvanized steel of thickness conforming to the requirements listed in subdivision(a) of this section or of equivalent materials. Cleanout doors of the same material as the connector or other equivalent means shall be provided for the cleaning of connectors. Tile pipe shall not be used as a chimney connector.
(a) Thickness of metal. The thickness of galvanized steel for chimney connectors shall be not less than that given in table 15-7.
(b) General. All chimney connectors shall be as short and as straight as possible consistent with their use and the required draft conditions. No chimney connector shall pass through a floor or ceiling construction.
TABLE 15-7
REQUIRED THICKNESS OF GALVANIZED STEEL FOR CONNECTORS
(a) Thickness of metal. The thickness of galvanized steel for chimney connectors shall be not less than that given in table 15-7.
(b) General. All chimney connectors shall be as short and as straight as possible consistent with their use and the required draft conditions. No chimney connector shall pass through a floor or ceiling construction.
TABLE 15-7
REQUIRED THICKNESS OF GALVANIZED STEEL FOR CONNECTORS
| Galvanized Sheet Gage No. | Area of Connector Sq. In. |
|---|---|
| 24 | less than 79 |
| 22 | 80 to 154 |
| 20 | 155 to 200 |
| 16 | Over 200 |
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