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Vented installation
NO RECESS
COMBUSTIBLE FACING
VENTED CHASE
See chart for
opening size
DRL36
DRL48
Min. chase
Min. chase
opening
opening
70sq inch
100sq inch
More opening
DRL60
will further
Min. chase
reduce surface
opening
temperatures
120sq inch
Any material protruding into
gray area must be non-
combustible
Combustible Facing material
(Cement board underneath
optional when using a vented
chase)
Combustible header
IMPORTANT
Leaving the
venting ports
open requires
a minimum
chase height
of 6'
WARNING
Vented installations require that the chase inner wall must be
enclosed (no exposed insulation/vapour barrier) Follow local codes
XG0226 - 042220
Enclosure top
IMPORTANT
Leaving the
venting ports
open requires
a minimum
chase height
of 6'
Venting
ports
open
DRL36
DRL48
DRL60
16"
95°
90°
100°
12"
95°
95°
105°
8"
100°
100°
115°
4"
105°
105°
120°
Surface temperatures are
based on a 3 hour burn time
IMPORTANT
Temperatures are based off of
the minimum enclosure size.
WARNING
Vented chase height must be no less than 6'
WARNING
Vented chase opening is mandatory when you open fireplace vent
ports (all ports must be open).
Venting ports (shown on a DRL3613)
Installation
11
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