Clearances; Installing The Standoffs; Installing The Nailing Flange Extension - Montigo L42DF Installation & Maintenance Manual

Clearances

1" clearance is maintained on sides and bottom of vent runs and 2"
above horizontal vent runs to any combustible material.
L42DF* 10"
† NOTE: Clearance from top of fireplace to a combustible ceiling within
the fireplace enclosure.
When installing a shelf over the top of the fireplaces, the following
guidelines must be adhered to:
For Rear Vent applications, the minimum clearance is 2" from the rear of
the fireplace to a wall, or any combustible materials, and 10" clearance
from the top of the fireplace to the underside of any combustible shelf
materials.
For Top Vent applications, the minimum clearance is 2" from the rear
of the fireplace to a wall, or any combustible materials, and 21" to the
underside of any combustible shelf materials.
XG0181 -112811.1
Installation
21" 2" 1" 0"

Installing The Standoffs

To avoid elevated mantel temperatures, all L42DF* gas
fireplaces are required to have the supplied standoffs installed.
The fireplace is supplied with two standoffs. Bend and install these
standoffs on top of the fireplace ensuring that the height of the standoff
maintains a 6" clearance.
6"
Figure 7. Installing the standoff's.

Installing the Nailing Flange Extension

Once the fireplace is placed into the rough framed opening, the supplied
Nailing Flange Extension (Part No. L42087) must be fasten securely into
place, with nails or wood screws. as shown in Figure 8.
Figure 8. Installing the Nailing Flange Extension.
Note: The nailing flange extension can be substituted with a piece of
NON-Combustible material of the same size and thermal characteristics,
ie: cement board or equivalent. This is recommended in applications
where the facing materials will not adhere to the metal nailing flange.
L42DF* Indoor Gas Fireplace
6"
6"
Page 7