Fireplace And Framing Specifications; Framing Dimensions; Fireplace Dimensions - Lennox Montebello DLX Installation Instructions Manual

LENNOX HEARTH PRODUCTS • MONTEBELLO

Framing Dimensions

Models
in.
MDLX40
mm
in.
MDLX45
mm
Thermal Efficiency (%)
Natural Gas
Models P4
MDLX40 35.8
MDLX45 51.2
D
5-1/4"
(133)
8-3/8
(213)
Model
No.
in.
MDLX40
mm
in.
MDLX45
mm
Figure 11: Fireplace and Framing Specifications
10
®
A B
50-3/4 43 75-1/8
1289 1092 1908
56-7/8 48 80-1/16
1445 1219 2034
Propane
P4
TBD
TBD
E
14-1/8
(359)
8-1/2"
(216)
Top View
J
H
F
A
Front View
A B
50-5/8 37-1/4
1286 946
56-11/16 42-1/4
1440 1073
NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE.
DLX DIRECT VENT GAS FIREPLACES (MDLX40/45) • INSTALLATION INSTRUCTIONS
VENT FRAMING -
TOP VENT WITH 2 FEET
VERTICAL VENT AND
ONE 90° ELBOW
C
B
Inches (mm)
26-15/32
25-29/32
5-3/32 (129)
7
(178)
G
B
19-5/8
(498)
Right Side View

Fireplace Dimensions

C D E
42-7/8 25-5/16 34
1089 643 864
47-7/8 28-3/8 40-1/8
1216 721 1019
13
( 330
VENT FRAMING -
TOP VENT WITH 2 FEET
VERTICAL VENT AND
ONE 90° ELBOW
6-1/2
(165)
C
C
B
25-1/4
(641)
1/2 A
25-1/4
A
(641)
1/2 A
A
Inches (mm)
(672)
(658)
25-1/2
(648)
2-1/2 (64)
Diagrams, illustrations and photo-
Gas Inlet graphs are not to scale – consult
installation instructions. Product
(This
designs, materials, dimensions,
Side
C
specifications, colors and prices are
Only)
subject to change or discontinuance
without notice.
Electrical
Inlet
F G
37-5/8 33-3/32 29-9/32
956 840
43-5/8 38-3/32
1108 968
Framing should be constructed
of 2x4 or larger lumber.
Framing should be constructed
)
of 2x4 or larger lumber.
13
( )
330
8-1/2
(216)
15
8-1/2
( )
381
(216)
6-1/2
15
(165)
( )
381
Notes
Vent Size
Coaxial DV 8" Inner
Vent Size 11" Outer
H J
34-3/4
744 883
34-1/2 40-59/64
876 1039