Back Framing The Fireplace - Montigo R420 Installation Manual

R320 & R420 Power Vent Indoor Gas Fireplace

Back framing the Fireplace

NOTE: Maintain a 1" clearance around the throat (projection at the front of the fireplace that holds the glass door) when installing 2x4s
for back framing.
Step 1). Cut and install one 2x4 to fit horizontally under the fireplace throat.
Step 2). Cut and install required quantity of short filler 2x4's to fit vertically under the horizontal piece.
Step 3). Cut and install four vertical 2x4's. Place 2 on each side of the fireplace throat.
Step 4). Install supplied steel header 1" above the throat. Attach steel header to vertical 2x4's as shown in figure 5.
Step 5). Cut and install one horizontal 2x4 below the top frame.
Steel header
(supplied by Montigo)
1" clearance
Figure 5. Completed back frame Fireplace installation
Model
R320*
R420*
Note: Images are shown without screens for clarity purposes.
However, your fireplace should not be operated without proper
installation of screens.
Page 12
Installation
2 x 4
(horizontal)
2 x 4
2 x 4
(Vertical)
(horizontal)
Supplied Steel
Header
Measurements
46 1/2" x 3"
58 1/2" x 3"
2-pcs 2 x 4 (vertical)
Both Sides Typ.
1" clearance
1" clearance
1" clearance
XG0770 - 150105.1