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18 Insert Installation (for qualified installers only)
Travis Industries 93508133 4020509
Insert Size Requirements (see Illustration below)
Minimum
Fireplace Size
Masonry
Fireplace
Z.C. (Metal)
Fireplace
a
b
c
d
e
f
g
h
i
j
Height (front)
Height (rear)
Width (front)
Width (rear)
Depth
Hearth Depth*
Hearth Width
Facing Width
Facing Height
Mantel Height
21 1/2"
21 1/2"
23 3/4"
23 3/4"
11 3/8"
20 3/4"
39 3/4"
41 3/4"
39"
41"
21 1/2"
21 1/2"
25 3/4"
25 3/4"
12 3/8"
20 3/4"
39 3/4"
47 3/4"
31"
43"
a
c
e
f
b
d
h
i
j
g
Non-Combustible Hearth
Combustible Mantel
Non-Combustible Facing
* This is the distance the insert protrudes from
the fireplace opening plus the required 16" of
hearth extension.
Insert Placement Requirements
• The insert must be placed so that no combustibles are within, or can swing within (e.g. drapes,
doors), 36" of the front of the insert
• Insert and hearth must be installed on a level, secure floor
• The minimum clearances, facing, and hearth requirements in the illustration below must be met
(follow the clearances for the type of fireplace being used - either masonry or zero-clearance).
Side
Wall
Combustible Mantel
Combustible Top Facing
Non-Combustible
Hearth
Facing
Masonry
Fireplace
Minimum Clearances
k
l
m
n
o
p
q
x
Sidewall to Insert
Side Facing
Top Facing
w. Mantel Shield
Mantel to Insert
w. Mantel Shield
Hearth (Front)*
Hearth (Side)
Front of Insert
Extension onto Hearth
10"
9"
20"
14 1/2"
22"
16 1/2"
16"
8"
36"
4 3/4"
* Does not include the distance the insert
extends onto the hearth (dimension "x").
q
l
k
p
x
o
n
m
ZC (Metal)
Fireplace
30"
12"
12"
n/a
24"
n/a
16"
8"
36"
4 3/4"
Hearth Requirements
• Must extend 16" in front of the insert and 8" on both sides
• Must be non-combustible 1/4" thick insulating board with a thermal conductivity of K = 0.72