![Intertherm BM42HCD-BL Installation Instructions Manual Download Page 6](http://html1.mh-extra.com/html/intertherm/bm42hcd-bl/bm42hcd-bl_installation-instructions-manual_2080814006.webp)
NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE.
6
FIREPLACE SPECIFICATIONS
Figure 9
Figure 7
Figure 8
Step 3.
Refer to fireplace drawings and speci-
fications on pages 6 and 7 for framing dimen-
sions and details. Frame appliance enclosure as
illustrated in
Figures 10 through 13 on page 7.
IMPORTANT: UNDER NO CIRCUMSTANCES
CAN THE FIREPLACE TOP SPACERS (
FIGURE
9 ) BE REMOVED OR MODIFIED, NOR MAY
YOU NOTCH THE HEADER TO FIT AROUND OR
BE INSTALLED LOWER THAN THE SPACERS.
THE HEADER MAY BE IN DIRECT CONTACT
WITH THE TOP SPACERS BUT MAY NOT BE
SUPPORTED BY THEM.
Note:
The framed depth, 21
⁵⁄₈
" (549 mm) from
a framed wall, must always be measured from
a finished surface. If a wall covering such as
drywall is to be attached to the rear wall, then
the 21
⁵⁄₈
" (549 mm) must be measured from
the drywall surface. It is important that this
dimension be 21
⁵⁄₈
" (549 mm) or greater.
If the appliance is to be elevated above floor
level, a solid continuous platform must be
constructed.
The header may rest on the top metal spacers,
but must not be notched to fit around them.
Consult all local codes.
Blocking
Metal Safety Strips
1
¹⁄₂
"
Metal Safety Strips
Optional
Floor
Bracket
45"
(1143 mm)
31
⁹⁄₁₆
"
(802 mm)
21
¹⁄₄
"
(540 mm)
8
³⁄₁₆
"
(208 mm)
Top View
Right Side
Gas Line
Access
Junction
Box
Combustion
Air Inlet
9
⁷⁄₈
"
(251 mm)
43"
(1092 mm)
21
¹⁄₄
"
(540 mm)
43"
(1092 mm)
21
¹⁄₄
"
(540 mm)
Left Side
45"
(1143 mm)
Front
43"
(1092 mm)
7
³⁄₁₆
"
(183 mm)
41"
(1041 mm)
2"
(51 mm)
12
¹⁄₂
"
(318 mm)
22
⁵⁄₁₆
"
(566 mm)
13
⁷⁄₁₆
"
(341 mm)
8
³⁄₈
"
(213 mm)
Fireplace Top Spacer
Fireplace
Top Spacer
Gas Line
Access
19"
(483 mm)
10"
(254 mm)
12
¹⁄₂
"
(318 mm)
47"
(1194 mm)
1"
(25 mm)
38"
(965 mm)