NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE. 9

FIREPLACE SPECIFICATIONS - MODEL MP-36OD

Figure 18

NotesDue 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 DimensionsDiagrams & 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 FramingHeader(See Note **
)
B
1
AB
2
AOutside ChaseGCH
I
nc
l
u
di
ng
Fi
n
i
s
i
ng
M
ater
i
a
l
sif anyRoughFraming Face(Unfinished Shown)CombustionAir Kit - Optional*
Framing Dimensions
A 41-1/2" 1054 mm
B137-1/2" 953 mm
B254-1/2" 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

OutsideAir KitGAOutside ChaseBack Wall of Chase/EnclosureIncluding FinishingMaterials if anyRough Framing Face(Unfinished Shown)OptionalDrainageLine
**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 (B1). 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-35-2Corner InstallationJDAEFBack Wall ofChase/EnclosureIncluding FinisingMaterialsif anyRoughFraming Face(Unfinished Shown)OAK-OD CombustionAir Kit AKGInside ChaseBack Wall of Chase/EnclosureIncluding Finishing Materials, if any.RoughFraming Face(Unfinished Shown)
OAK-OD Combustion
Air Kit