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D. Factory-Built Chimney
The chimney can be new or existing, and must meet the following minimum requirements.
• Must be a 6 inch (152mm) diameter (ID) high temperature chimney listed to UL 103 HT (2100oF) or
ULC S629M.
• Must use components required by the manufacturer for installation.
• Must maintain clearances required by the manufacturer for installation.
• Refer to manufacturer instructions for installation.
NOTICE:
In Canada when using a factory-built chimney it must be safety listed,
Type UL103 HT (2100°F)
[1149°C] CLASS “A”
or conforming to
CAN/ULC-S629, STANDARD FOR 650°C FACTORY-BUILT CHIMNEYS.
FIGURE 3E – Factory built exterior chimney
WARNING
Fire Risk – Follow chimney connector Manufacturer’s instructions for proper installation.
ONLY use connector within the room, between appliance and ceiling or wall.
Connectors shall NOT pass through: attic or roof space, closet or similar concealed space, floor
or ceiling.
Maintain minimum clearances to combustibles.