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The type of venting system to be used shall be in accordance with Table G2427.4.
TABLE G2427.4 (503.4)
TYPE OF VENTING SYSTEM TO BE USED
APPLIANCES TYPE OF VENTING SYSTEM
Listed Category I appliances
Listed appliances equipped with draft hood
Appliances listed for use with Type B gas vent
Type B gas vent (Section G2427.6)
Chimney (Section G2427.5)
Single-wall metal pipe (Section G2427.7)
Listed chimney lining system for gas venting (Section G2427.5.2)
Special gas vent listed for these appliances (Section G2427.4.2)
Listed vented wall furnaces Type B-W gas vent (Sections G2427.6, G2436)
Category II, Category III and Category IV appliances As specified or furnished by manufacturers of listed appliances (Sections G2427.4.1, G2427.4.2)
Unlisted appliances Chimney (Section G2427.5)
Decorative appliances in vented fireplaces Chimney
Direct-vent appliances See Section G2427.2.1
Appliances with integral vent See Section G2427.2.2
G2427.4.1 (503.4.1) Plastic Piping
Where plastic piping is used to vent an appliance, the appliance shall be listed for use with such venting materials and the appliance manufacturer's installation instructions shall identify the specific plastic piping material. The plastic pipe venting materials shall be labeled in accordance with the product standards specified by the appliance manufacturer or shall be listed in accordance with UL 1738.
G2427.4.1.1 (503.4.1.1) Plastic Vent Joints
Plastic pipe and fittings used to vent appliances shall be installed in accordance with the appliance manufacturer's instructions. Plastic pipe venting materials listed and labeled in accordance with UL 1738 shall be installed in accordance with the vent manufacturer's instructions. Where a primer is required, it shall be of a contrasting color.
G2427.4.2 (503.4.2) Special Gas Vent
Special gas vent shall be listed and labeled in accordance with UL 1738 and installed in accordance with the special gas vent manufacturer's instructions.

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