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R
5
Chimney Requirements
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.
Listed Termination Cap
Roof Brace (if required)
Trim Collar on
Inside Wall
Chimney
Connector
Floor
Protector
Figure 17.1 Prefabricated Exterior Chimney
August 3, 2015
Storm Collar
Flashing
Listed Chimney
Insulated " T "
Wall Support
Thimble
7033-277N
3100 Wood Stove Series (ACC)
B. Chimney Systems
Prefabricated Metal Chimney
•
Must be minimum 6 inch (152mm) diameter (ID) high
temperature chimney listed to UL 103 HT (2100
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.
NOTE: In Canada when using a factory-built chimney it must
be safety listed, Type UL103 HT (2100
conforming to CAN/ULC-S629M, STANDARD FOR 650
FACTORY-BUILT CHIMNEYS.
Listed Termination Cap
Listed Chimney
Ceiling Support
Chimney
Connector
Floor
Protector
Figure 17.2 - Prefabricated Interior Chimney
o
F) or
o
F) CLASS "A" or
o
C
Storm Collar
Flashing
Page 17
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