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LENNOX HEARTH PRODUCTS • MONTEBELLO
FINIShING REQUIREMENTS
Wall Details
Complete finished interior wall. To install the appliance facing flush with
the finished wall, position framework to accommodate the thickness of
the finished wall (Figure 43).
Combustible
Finished Wall
Materials
Header
(2x4's)
Combustible
materials are
allowed above
this point on
the face of the
appliance.
8-3/8" Min.
(213 mm)
The gray shaded
area must be
non-combustible
or Dura Rock
1
Installations with horizontal terminations which have minimum
* Insulation is NOT ALLOWED in the clearance zones around vent compo-
vertical vent height only will require 4"(102mm) minimum
nents. Keep this area free from combustible materials.
side clearance as shown in shaded zone above. All other
installations require 1" (25mm) minimum side clearance as
Figure 43
specified in Table 4 on Page 5.
* Insulation is NOT ALLOWED in the clearance zones around vent
components. Keep this area free from combustible materials.
A hearth extension is not required with this appliance. If a hearth extension
is used, there are two methods of installation. One, the finish combustible
or non-combustible material could be ended by butting up against the
front face of the fireplace and the floor panel (refer to Figure 44).
Two, the finish combustible or non-combustible material could be ended
below the fireplace (refer to Figure 45). Remove the floor panel as shown
in Figure 44 by removing the screws on the right side of the panel and
sliding the left side away from the tab. Discard the screws and floor panel.
It is critical that there is at least a 1/8" gap between the bottom of the
door track and the surface of the finish material.
26
POWER VENT DV GAS FIREPLACES (LSM40/45EN-PV) • INSTALLATION INSTRUCTIONS
®
3" Min.
(76 mm)*
1"
Adaptor Plus 4
(25.4mm)
Feet Vertical
Minimum
Vent (Min.)
& 90° Elbow
Top of
Appliance
Spacers
Top of Door Frame
Fireplace (right side)
NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE.
Non-combustible materials, such as surrounds and other appliance trim,
may be installed on the appliance front face with the exceptions.
Vertical installation clearances to combustible mantels vary according to
the depth of the mantel (see Figure 5 on Page 8). Mantels constructed
of non-combustible materials may be installed at any height above the
appliance opening.
Combustible materials may project beyond the side of the fireplace
opening as long as it is kept within the shaded area illustrated in Figure
6 on Page 8.
Finish Combustible
Or Non-Combustible
Material
Floor Panel
Figure 44
Glass Door
Assembly
1/8 Inch
Minimum
Finish Combustible
Or Non-Combustible
Material
Figure 45
Front Face
Of Fireplace
Fireplace
Door Track
Bottom Of
Fireplace
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