Monessen Hearth Direct Vent Gas Fireplace BDV500 - Manual (Page 13)

54D0700 13
1"
3"
1"
1"
VENT INSTALLATION
This fi replace 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
ARNING
Horizontal sections of this vent system require
a minimum of 3" clearances to combustibles at
the top of the fl ue and 1" clearance at the sides
and bottom until the fl ue penetrates the outside
wall. A minimum 1" clearance all around the fl ue
is acceptable at this point of penetration.
Vertical sections of this vent system require a
minimum of 1" clearance to combustibles on all
sides of the pipe.
Figure 7 - Combustible Clearances for Vent Pipe
A Minimum of 3" Clearance
to the Top Is Required Along
Horizontal Length until Flue
Pipe Penetrates Outside Wall.
W
ARNING
A Minimum 1"
Clearance to
Combustibles
Permitted All
Around Flue
at Outside
Wall