Assembling Vent Pipes - Majestic DVBL7 Series Installation And Operating Instructions Manual

VeNtING INStaLLatIoN INForMatIoN
Termination Clearances
Termination clearances for buildings with combustible and noncombustible exteriors.
Inside Corner
G =
Combustible
G
Noncombustible
V
Balcony -
with no side wall
M
f i r e - p a r t s . c o m
M =
Combustible &
Noncombustible
12" (305 mm)
*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.
20301852
Outside Corner
6" (152 mm)
V
2" (51 mm)
Balcony -
with perpendicular side wall
V
Combustible &
Noncombustible
M = 24" (610 mm)
P = 20" (508 mm)
F =
Combustible
6" (152 mm)
Noncombustible
2" (51 mm)
F
M
V
P
Figure 7 -
Termination Clearances
* 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.
Figure 8 -
Apply high temperature
sealant to 4" and 7" pipes
DVBL7 Series Gas Fireplace
Alcove Applications*
D
C
V
E
O
E
= Min. 6" (152 mm) for
non-vinyl sidewalls
Min. 12" (305 mm) for
vinyl sidewalls
O
= 8' (2.4 m) Min.
No.
of Caps D
Min.
1 3' (914 mm) 2 x D
2 6' (1.8 m)
3 9' (2.7 m)
4 12' (3.7 m)
D = # of Termination caps x 3
Min.
C = (2 / # termination caps) x D
Max.
Hose Clamp
Apply High Tem-
perature Sealant
C
C
Max.
Actual
1 x D
Actual
2/3 x D
Actual
1/2 x D
Actual
Actual
584-15
FP2336
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