BDV7 Series Direct Vent Gas Fireplace
20301836
13
VeNtING INFoRMAtIoN
Outside Corner
Inside Corner
Termination Clearances
Termination clearances for buildings with combustible and noncombustible exteriors.
G =
Combustible
6" (152 mm)
Noncombustible
2" (51 mm)
F =
Combustible
6" (152 mm)
Noncombustible
2" (51 mm)
G
Balcony -
with no side wall
M =
Combustible &
Noncombustible
12" (305 mm)
M
Balcony -
with perpendicular side wall
M =
24" (610 mm)
P =
20” (508 mm)
M
F
Alcove Applications*
C
D
C
E
V
V
Combustible &
Noncombustible
V
V
V
E
= Min. 6” (152 mm) for
non-vinyl sidewalls
Min. 12” (305 mm) for
vinyl sidewalls
O
= 8’ (2.4 m) Min.
O
P
584-15
No.
of Caps
D
Min.
C
Max.
1
3’ (914 mm) 2 x D
Actual
2
6’ (1.8 m)
1 x D
Actual
3
9’ (2.7 m)
2/3 x D
Actual
4
12’ (3.7 m)
1/2 x D
Actual
D
Min.
= # of Termination caps x 3
C
Max.
= (2 / # termination caps) x D
Actual
*Note:
Termination in an alcove space (spaces open only on one side and with an overhang) is permitted with the dimensions specified for vinyl or
non-vinyl siding and soffits. 1. There must be a 3’ (914 mm) minimum between termination caps. 2. All mechanical air intakes within 10’ (1 m) of a
termination cap must be a minimum of 3’ (914 mm) below the termination cap. 3. All gravity air intakes within 3’ (914 mm) of a termination cap must
be a minimum of 1’ (305 mm) below the termination cap.
GeNeRAl INFoRMAtIoN ASSeMBlING VeNt PIPeS
uSA Installations
The venting system must conform to local codes and/or
the current National Fuel Code ANSI Z223.1/NFPA 54.
Only venting components manufactured by MHSC may
be used in Direct Vent systems.
Canadian Installations
The venting system must be installed in accordance with
the current CSA-B149.1 installation code.
Flex Vent Pipes
Before joining the flex vent pipe to the unit, apply a bead
of high temperature sealant* (provided) to the 4” pipe
exiting the fireplace. Secure flex vent pipe in place with
a hose clamp (provided).
*Be sure the flex pipe overlaps at least 1” (25 mm) onto
the collars of the fireplace and termination. If the termi-
nation has an internal bead, be sure to overlap and se-
cure 1” (25 mm) past the bead.
* Be sure the vent is actually crushed before proceeding.
Apply a tug to be sure the vent will not slip off the collars.
Repeat process with 7” flex vent pipe. The same proce-
dure must be performed on the vent side.
FP2290
flex vent
Apply High Temperature
Sealant
Hose Clamp
FP2290
Figure 12 -
Apply high temperature sealant to 4” and 7” pipes.
Figure 11 -
Termination Clearances
