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108796-01K10
Maintain
Listed
Clearance
12' Min.
12' Min.
45
45
6'
8'
12' Min.
60
45
Position
Firestop
Position
Firestop
Position
Firestop
Listed
Vent Cap
Listed
Ve
nt Cap
Listed
Ve
nt Cap
Maintain
Listed
Clearance
Maintain
Listed
Clearance
Maintain
Listed
Clearance
Maintain
Listed
Clearance
Maintain
Listed
Clearance
Support Each
Lateral At
Least Every
Six (6) Feet
Maintain
Listed
Clearance
10'
EXAMPLE 3EXAMPLE 2EXAMPLE 1
Figure 10 - Typical B-Vent Configuration
VENTING INSTALLATION
Continued
The flue connection must be made using listed
B-type connectors and the existing system must be
code inspected for damage and proper installation.
It is not recommended that this appliance be com
-
mon vented with an existing gas burning appliance.
However, if it becomes necessary to common vent
this appliance, the venting system must be sized
and configured in accordance with the common
venting guides Appendix G of the current National
Fuel Gas Code ANSI Z223.1/NFPA 54 and in
Canada with CAN/CGA B149.
Note: Before connecting this appliance to an
existing vent system or a common venting sys
-
tem consult with your local architect, planner or
building official.
WARNING: This appliance
must be properly connected
to a system and must not be
connected to a chimney flue
servicing a separate solid fuel
burning appliance.
Lowest
Discharge
Opening
Listed
Vent Cap
8 Ft. Min.
Roof Pitch x/12
Listed Clearance
12
x
Listed Gas
Ve
nt
H (Min)
Height
From Roof
Roof Pitch
H (Min.)
Ft. m
Flat to 6/12 1.0 0.30
6/12 to 7/12 1.25 0.38
Over 7/12 to 8/12 1.5 0.46
Over 8/12 to 9/12 2.0 0.61
Over 9/12 to 10/12 2.5 0.76
Over 10/12 to 11/12
3.25 0.99
Over 11/12 to 12/12
4.0 1.22
Over 12/12 to 14/12 5.0 1.52
Over 14/12 to 16/12 6.0 1.83
Over 16/12 to 18/12 7.0 2.13
Over 18/12 to 20/12 7.5 2.27
Over 20/12 to 21/12 8.0 2.44
Figure 11 - B-Vent Terminations