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A. Chimney Requirements
When planning your fireplace location, the chimney con-
struction and necessary clearances must be considered.
The fireplace system and chimney components have been
tested to provide flexibility in construction. The following
figures are the minimum distances from the base of the
fireplace.
•
Minimum overall straight height is 6 ft 4 in. if the
fireplace is freestanding and a minimum of 10 ft from a
combustible structure. See Figure 3.2.
• Chimney must extend 2 ft (.6 m) above any portion of the
roof within 10 ft (3 m) of the chimney. Refer to Figure 6.1.
•
Minimum height with offset/return
•
Maximum height
•
Maximum chimney length between an offset
and return
•
Maximum distance between chimney
stabilizers
•
Double offset/return minimum height
•
Maximum unsupported chimney length
between the offset and return
• Maximum unsupported chimney height above
the fireplace
•
Minimum overall straight height if fireplace is
freestanding
•
Minimum Straight Height
Determine the chimney components needed to complete
your particular installation:
•
Measure the total vertical height of the fireplace
installation from the base of the fireplace assembly to
the approximate location of the bottom of the termination
cap.
• Subtract the effective height of the fireplace assembly
(see Figure 8.2) from the total vertical height to determine
the overall height of the chimney installation.
•
Create a schematic for your application similar to Figure
8.2 showing components required (referring to Table
8.1). Figure 8.1 identifies those components and where
used.
• Install a ceiling firestop whenever the chimney penetrates
a floor/ceiling.
NOTICE:
A maximum of two pairs of offsets and returns
may be used.
CAUTION! Risk of Fire and/or Asphyxiation! DO
NOT connect this fireplace to a chimney flue servicing
another appliance. DO NOT connect to any air distribu-
tion duct or system. These actions could cause over-
heating/fire in the chimney flue, or release of exhaust
fumes into the living areas.
Outdoor Lifestyles by Hearth & Home Technologies • ODVILLA Wood Owners/Install • 4072-345 Rev A • 08/22
ft
m
14.5
4.42
90
27.43
20
6.1
35
10.67
24
7.32
6
1.83
35
10.67
6.4
1.95
14.5
4.42
39 1/2 in. (1003 mm)
Figure 8.2
Table 8.1
HEIGHT OF CHIMNEY COMPONENTS
Chimney Stabilizer
SL3
Ceiling Firestops
FS338
FS339
FS340
Offsets/Returns
SL315
SL330
Roof Flashing
RF370
RF371
Chimney Sections*
SL306
SL312
SL318
SL324
SL336
SL348
* Dimensions reflect effective height.
20 ft (6.10 m) max.
pipe between an
offset & return
Ceiling Firestop
14.5 ft (4.42 m) min. height/single offset-return
20 ft. (6.1 m) min. height/double offset-return
Effective Height
Chimney Requirements
in.
mm
4-3/4
121
0
0
0
0
0
0
13-3/8
340
15-1/2
394
0
0
0
0
4-3/4
121
10-3/4
273
16-3/4
425
22-3/4
578
34-3/4
883
46-3/4
1187
6 ft (1.83 m) max.
unsupported chimney
above roof
35 ft (10.67 m)
max. straight
unsupported
chimney height
90 ft (27.43 m) max. height
23
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