Owner`s manual
L42DF* Indoor Gas Fireplace
XG0181 - 112811.1
Installation
Rear Vent Venting Graph for wall mounted terminations.
Rear Vented, wall mounted Multi-elbow termination
installation. Installation for L42DF* must have a minimum vertical
rise of 50".The vent run must comply with the Venting Graph for
Rear vent, wall mounted terminations, Figure 16.
. Straight run, Rear Vented, wall mounted termination
for L42DF*, Figure 16.
■ All dimension lengths for vertical or horizontal runs are measured
from center of the vent pipe.
■ Venting runs must fall within the limits set by the venting graphs,
see.
■ Fireplace must be converted to Rear Vent conguration prior to
running vent, see and .
Measure the vertical height from the replace hearth to the centre of the
termination and the horizontal run from the replace ue collar to the wall
ange of the termination. Plot on the Venting Graph with an 'X'.
If the 'X' falls on or above the top boundary of the shaded area, the
installation is acceptable.
If the vertical dimension from the hearth is 120" and the horizontal
run to the wall ange of the vent termination is 138", this would be an
acceptable installation.
If the vertical dimension from the hearth is 48" and the horizontal run
to the wall ange of the vent termination is 96",
If the vertical dimension from the oor of the replace is 72" and the
horizontal run to the wall ange of the vent termination is 120",
36” Max.
50” Min.
12”
Max.
Flex or Rigid
Section
23 3/8”
Min.
26 5/8”
26 5/8”
PXT Extension
RHS101 Heat
Shield
Termination
Hearth
Exterior
Wall
NOTE:
12” MAX. horizontal run with no vertical lift,
N.G. ONLY.
12” MAX.
36” Max.
50” Min.
12”
Max.
Flex or Rigid
Section
23 3/8”
Min.
26 5/8”
26 5/8”
PXT Extension
RHS101 Heat
Shield
Termination
Hearth
Exterior
Wall
NOTE:
12” MAX. horizontal run with no vertical lift,
N.G. ONLY.
12” MAX.
26 5/8”
12” N.G. ONLY
A
B
C
50”
48”
Unacceptable vent run
within shaded area.
Acceptable vent run
within non-shaded area.
If your installation does not fall within
the venting parameters, contact a
local Montigo dealer for Power
Venting options.
An inspection of the explosion relief flappers and door be made prior to
lighting the fireplace. Faulty seal on the door gasket and/or explosion ports will
result in combustion products leaking into the living space and may result in
carbon monoxide poisoning.










