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G2427.4 (503.4) Type of Venting System to Be Used
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TABLE G2427.4 (503.4)
TYPE OF VENTING SYSTEM TO BE USED
|APPLIANCES||TYPE OF VENTING SYSTEM|
|Listed Category I appliances Appliances listed for use with Type B gas vent||Type B gas vent (Section G2427.6) Section G2427.7) 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|
|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|
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.
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.