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Clearance to Combustibles
Appliance
Top
Bottom
Side
Back
Venting
Concentric sections of DV Vent
Non-concentric sections of DV Vent
Sides and bottom
Top
Mantels
The height that a combustible mantel is fitted above
the fireplace is dependent on the depth of the mantel.
This also applies to the distance between the mantel
leg (if so fitted) and the fireplace. Refer to Fig. 4a and
Fig. 4b, and the Mantel Charts below for the correct
mounting height and widths.
The distances and reference points are not affected by
the fitting of a bay window front trim kit.
Noncombustible mantels and legs may be installed at
any height and width around the appliance.
To prevent discoloration, use only heat-resistant paint
or lacquer to finish the mantel.
V
W
X
Y
Z
A
B
C
D
E
Bottom of Door Trim
Mantel Shelf Dimensions (Minimum Height)
Mantel
Ref.
Shelf Depth
V
10" (254 mm)
W
8" (203 mm)
X
6" (152 mm)
Y
4" (101 mm)
Z
2" ( 50 mm )
Fig. 4a Combustible mantel leg minimum installation
10004920
0" (0 mm)
0" (0 mm)
0" (0 mm)
0" (0 mm)
1" (25 mm)
1" (25 mm)
2" (50 mm)
Fireplace
Top Louvre Assembly
Top of Combustion Chamber
CFM146
Height above
Ref.
Firebox
A
17" (432 mm)
B
15" (381 mm)
C
13" (330 mm)
D
11" (279 mm)
E
9" (229 mm)
CFM174
Vermont Castings, Majestic Products: DVR33
Black Surround Face
Side of Combustion Chamber
Mantel Leg Dimensions (Minimum Width)
Mantel
Ref.
Leg Depth
F
10" (254 mm)
G
8" (203 mm)
H
6" (152 mm)
I
4" (101 mm)
J
2" ( 50 mm )
Fig. 4b Mantel leg dimensions
A hearth is not mandatory, but is recommended for
aesthetic purposes. We recommend using a
noncombustible hearth which projects out 12"
(305 mm) or more from the front of the fireplace.
Cold climate installation recommendation:
When installing this unit against a
noninsulated exterior wall or chase,
it is mandatory that the outer walls be
insulated to conform to applicable
insulation codes.
Mantel Leg
J
K
L
M
N
O
Mantel
Leg
Mantel Leg from Side of
Ref.
Combustion Opening
1
K
11
/
" (292 mm)
2
L
9
1
/
" (241 mm)
2
M
7
1
/
" (191 mm)
2
N
5
1
/
" (140 mm)
2
O
3
1
/
" ( 89 mm )
2
Hearth
I
H
G
F
CFM164b
CFM166a
5
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