13
75D2523
MDV Series Direct Vent Gas Fireplace
VentIng InstallatIon
this fireplace must be vented to the outside.
the venting system must neVer be attached
to a chimney serving a separate solid fuel
burning appliance. each gas appliance must
use a separate vent system. do not use
common vent systems.
w
arn
Ing
FP2412
vent pipe clearance
*3"
**1"
**1"
*3”
**1”
**1”
34
6
”
(880 mm)
48
56M
”
(1226 mm)
FP2412
Figure 10 -
Combustible Clearances for Vent Pipe
* A minimum of 3" clearance to the top is
required along horizontal length until flue pipe
penetrates outside wall.
** A minimum 1" clearance to combustibles
permitted all around flue at outside wall
w
arn
Ing
horizontal sections of this vent system
require a minimum of 3” clearances to
combustibles at the top of the flue and 1”
clearance at the sides and bottom until the
flue penetrates the outside wall. a minimum
1” clearance all around the flue is acceptable
at this point of penetration. If vertical rise
is 7
Z\x
” feet or higher when top venting, the
clearance to combustibles is 1” on all sides
of the horizontal run.
Vertical sections of this vent system require
a minimum of 1” clearance to combustibles
on all sides of the pipe.
