Page 16
7037-135L
August 3, 2015
4300 Wood Stove Series (ACC)
NOTE: In Canada when using a factory-built chimney it must
be safety listed, Type UL103 HT (2100
o
F) CLASS “A” or
conforming to CAN/ULC-S629M, STANDARD FOR 650
o
C
FACTORY-BUILT CHIMNEYS.
5
Chimney Requirements
Figure 16.1 Prefabricated Exterior Chimney
Figure 16.2 - Prefabricated Interior Chimney
A. Venting Components
Chimney Connector:
It is also known as fl ue pipe or stove pipe. The chimney
connector joins the stove to the chimney. It must be a 6 inch
(152mm) minimum diameter 24 gauge mild steel black or
26 gauge blued steel, or an approved air-insulated double
wall venting pipe.
Thimble:
A manufactured or site-constructed device installed in
combustible walls through which the chimney connector
passes to the chimney. It is intended to keep the walls
from igniting. Site constructed thimbles must meet
NFPA 211 Standards. Prefabricated must be suitable
for use with selected chimney and meet UL103 Type HT
Standards. Follow instructions provided by the manufacturer
for manufactured thimbles for masonry chimney and
prefabricated chimneys.
Chimney:
The chimney can be new or existing, masonry or prefabricated
and must meet the following minimum requirements specifi ed
in Section 5B.
B. Chimney Systems
• Must be minimum 6 inch (152mm) diameter (ID) high
temperature chimney listed to UL 103 HT (2100
o
F) or
ULC S629M.
• Must use components required by the manufacturer for
installation.
• Must maintain clearances required by the manufacturer
for installation.
• Refer to manufacturers instructions for installation.
Prefabricated Metal Chimney
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