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Fig. 14
STRAIGHT B
VENT CHIMNEY
COMMON FLUE INSTALLATIONS
In some areas it is possible to vent more than one gas
fireplace into the same flue. You must ensure that the flue
being shared has the proper capacity to handle both
fireplaces. Check installation codes for venting capacity
information.
As always it is best to check with the authority having
jurisdiction prior to commencement of the installation.
EXISTING
MASONRY CHIMNEY
Fig. 13
OFFSET B
VENT CHIMNEY
Fig. 15
Note: Please refer to installation instructions supplied
by chimney manufacturer prior to commencing
installation.
The A232 may be installed using 4" diameter single wall
vent up to an existing masonry chimney.(Fig. 14) This vent
should then be connected to a 4" liner running the full height
of the chimney, as it is mandatory in most jurisdictions that
the chimney be lined.
Another option is 4" "B" vent directly off the fireplace
(Fig.13 & 11), going up to the chimney liner or up through
the roof if no chimney exists.
VENTING INSTRUCTIONS
CANADIAN INSTALLATIONS:
The venting system must be installed in accordance with
the current CAN/CGA-B149 (.1 or.2) installation code, and
the authority having jurisdiction.
U.S.A. INSTALLATIONS:
The venting system must be installed in accordance with
the current National Fuel Gas Code, ANSI Z223.1.
Minimum clearances to combustible materials is 1 inch (25
mm) for B Vent (Fig. 13, 15) and 6 inches for single wall
vent (Fig. 14).
As with any natural drafted appliances, the vent cap must
always extend a minimum of 2' above any structure within
a 10' horizontal plane.(Fig. 12)
Fig. 12
A minimum 12 foot vent height is required
to effectively vent this fireplace.
3'
10'
2'
VENTING OF THE A232 FIREPLACE
3' 10'