Lennox Hearth MERIT PLUS MP-36OD - Manual (Page 9)

NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE. 9
FIREPLACE SPECIFICATIONS - MODEL MP-36OD
Figure 18
Notes
Due to Lennox' ongoing commitment to quality,
all specifi cations, ratings and dimensions are
subject to change without notice.
All framing dimensions calculated for 1/2"
dry wall at the fi replace face. If sheathing the
chase or fi nishing with other thickness materi-
als, calculations will need to be made.
See Page 10 for Ceiling and Roof Framing
Dimensions
Diagrams & Illustrations Not to Scale
Product Reference Information
Cat.
No.
Model Ship.
Weight
Ship.
Volume
H1933 MP-36OD 175 lb. 17.3 cu. ft.
40"
(1016 mm)
Front
37"
(940 mm)
7-3/16”
(183 mm)
36"
(914 mm)
2"
(51 mm)
12-1/2"
(318 mm)
37"
(940 mm)
20-1/4”
(514 mm)
Left Side Right Side
40"
(1016 mm)
27-1/4”
(692 mm)
20-1/4”
(514 mm)
7-13/16
(198 mm)
Top View
Gas Line
Access
Combustion
Air Inlet
20-3/16”
(513 mm)
9-7/8”
(251 mm)
17-3/8”
(441 mm)
32"
(813 mm)
9-5/8”
(244 mm) 7-1/2”
(191 mm)
27-7/8”
(708 mm)
Appliance Top Spacer
Appliance
Top Spacer
Junction
Box
Gas Line
Access
42-1/2"
(1080 mm)
42-1/2"
(1080 mm)
1-1/4"
(32 mm)
9-1/16
(230 mm)
12-7/8”
(327 mm)
9-3/16”
(233 mm)
Fireplace Framing
Header
(See Note **)
B
1
A
B
2
A
Outside Chase
G
C
H
Including Finising Materials
if any
Rough
Framing Face
(Unfinished Shown)
Combustion
Air Kit - Optional
*
Framing Dimensions
A 41-1/2" 1054 mm
B
1
37-1/2" 953 mm
B
2
54-1/2" 1384 mm
C 28-3/4" 730 mm
D 15-3/8" 391 mm
E 70" 1778 mm
F 35" 889 mm
G 20-5/8" 524 mm
H 19-5/8" 499 mm
J 49-1/2" 1257 mm
K 8" 203 mm
Outside Chase - Indoor Installations
Outside
Air Kit
G
A
Outside Chase
Back Wall of Chase/Enclosure
Including Finishing
Materials if any
Rough Framing Face
(Unfinished Shown)
Optional
Drainage
Line
**Note: When Framing With 6” Studs Header Must Be 17”
(432mm) Higher. Use Security Chimney’s OR15 Offset/Re-
turn Elbow To Recess The Chimney Back 2 1/2” (64mm).
Flat Frame Down To A False Header At (B
1
). Maintain
Required Clearance To Chimney At All Times.
* 1" Air Space to insulation and construction materials on the
back and sides.
OTL Report No. 116-F-35-2
Corner Installation
J
D
A
E
F
Back Wall of
Chase/Enclosure
Including Finising
Materials
if any
Rough
Framing Face
(Unfinished Shown)
OAK-OD Combustion
Air Kit
A
K
G
Inside Chase
Back Wall of Chase/Enclosure
Including Finishing Materials, if any.
Rough
Framing Face
(Unfinished Shown)
OAK-OD Combustion
Air Kit