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LENNOX HEARTH PRODUCTS • MONTEBELLO
MINIMUM CLEARANCES TO COMBUSTIBLES
Appliance And Vent Clearances
The appliance is approved with zero clearance to combustible materials
on all sides. Refer to Table 6 for minimum clearance values. For typical
installations, see Figure 2 on Page 5.
Sides
Top Spacers
Floor
Back
Bottom of Appliance To Ceiling
Vent
Table 6: Appliance Minimum Clearances
Front
Table 7: Appliance Service Clearances
* 3 in. (75 mm) above any horizontal/inclined vent component.
** See Page 9, Step 1 for clearance requirements to the nailing
flange located at each side of the unit and any screw heads adjacent
to it.
Wall Finishes / Surrounds / Mantels
NOTE: Combustible wall finish materials and/or surround materials
must not be allowed to encroach the area defined by the appliance
front face (black sheet metal). Never allow combustible materials
to be positioned in front of or overlapping the appliance face. See
Figure 6 and Figure 44 on Page 26.
Noncombustible materials, such as surrounds and other appliance
trim, may be installed on the appliance front face with these
exceptions: they must not cover any portion of the removable glass
panel.
Vertical installation clearances to combustible mantels vary according
to the depth of the mantel (see Figure 5). Mantels constructed of
noncombustible materials may be installed at any height above the
appliance. Minimum clearance requirements include any projections
such as shelves, window sills, mantels, etc. above the appliance.
NOTE: We recommend the use of high temperature paint (rated
175 °F or higher) on the underside of the mantel.
8
DLX POWER VENT DV GAS FIREPLACES (MDLX40/45IN-PV) • INSTALLATION INSTRUCTIONS
®
1/2 in. (13 mm)
0 in. (0 mm) Spacers **
0 in. (0 mm)
0 in. (0 mm)
1/2 in. (13 mm)
0 in. (0 mm) Spacers
64 in. (1626 mm)
3 in. (76 mm) Top*
1 in. (25.4 mm) Sides & Bottom
3 ft (0.9 m)
NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE.
MANTEL CLEARANCES
Inches (mm)
14
(356)
12
(305)
10
(254)
8
(203)
6
(152)
NOTE: Hood shown as positioned in louvered
front model. The hood position in the flush
faced front model is lower than shown.
Figure 5: Minimum Mantel Clearances
Top View of
Fireplace
At 0 in. minimum
side wall clearance,
one combustible
wall can project to
any length.
Figure 6: Minimum Distance to Unprotected Side Wall
12 (305) MANTEL
10 (254) MANTEL
8 (203) MANTEL
6 (152) MANTEL
4 (102) MANTEL
TOP OF
2 (51) MANTEL
APPLIANCE
4
(102)
Mantel Leg,
Trim, or Wall
3 1/2 in.
o
45
(89 mm)
Combustible materials
may project beyond
either side of the
fireplace opening as
long as they are kept
within the shaded
"Safe Zone" area.
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