Section 2: Framing & Clearances - Montigo P42DF Installation & Maintenance Manual

Section 2: Framing & Clearances
Frame in the enclosure for the unit with framing materials. The framed
opening for the assembled fireplace is 42" wide, x 42" high x 21 7/8"
deep, see Figure 2
.
NOTE: When constructing the framed opening, please ensure
there is access to install the gas line when the unit is installed.
See Figure 20.
Noncombustible
Stud
Figure 2. Framing dimensions, (Straight wall & Corner
Installation).
Combustible Header
Combustible Shelf
12" max.
RHS101
34 1/2"
27 1/2"
Figure 3. Combustible Framing for shelves over the fireplace,
Rear vent.
Combustible Header
Combustible Shelf
RHS101
17 1/2"
MEL Short
90° elbow
40 1/2"
Figure 4. Combustible Framing for shelves over the fireplace,
Top vent.
XG0195 -150204.2
Installation
0" clearance
to corners
59 3/4"
Note: When sheetrock is not used behind
the fireplace, framing depth 21 7/8" may
be reduced by 5/8".
Non Combustible
Stud 1/2" Above Top
9"
42"
Non Combustible
Stud 1/2" above top
50 1/2"
Fireplace without standard screen (pre-January 2015 manufacturing).
N.G. & L.P.
Top Vent
Min 1"
12" max.
96"
MI N
Rear
Vent
Fireplace with standard screen (post January 2015 manufacturing).
N.G. & L.P.
Top Vent
Min 1"
12" max.
96"
MI N
Rear
Vent
Figure 5. Non Combustible Framing for Top Vent or Rear
Vent, with alcove.
Note: Images are shown without screens for clarity purposes. However,
your fireplace should not be operated without proper installation of
screens.
P42DF* Indoor Gas Fireplace
Ceilin g
Non-Combustibl e
Materials Only
Alcove
area over
Fireplac e
Non-combustible
header
3"
12"
door
opening
Floor
Ceilin g
Non-Combustibl e
Materials Only
Alcove
area over
Fireplac e
Non-combustible
header
3"
10.5"
door
opening
Floor
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