Installation Clearances - Monessen Hearth MDV500, MDV600 Installation & Operating Instructions Manual

VentIng InstallatIon
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 7Z\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.
Figure 10 -
Combustible Clearances for Vent Pipe
75D2523
*3"
**1"
**1"
48 "
(1226 mm)
MDV Series Direct Vent Gas Fireplace
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.
* 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
FP2412
vent pipe clearance
*3"
**1"
**1"
(880 mm)
FP2412
34 "
13