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3-90-775R36_09/15
F. Optional Zero Clearance Cabinet Installation:
If installing using the optional zero clearance cabinet, Part
#1-00-774257,
the venting will need to exit through the top
of the cabinet. The vent can be vertical or horizontal after
leaving the cabinet. Once clear of the cabinet, a 90 degree
elbow can be installed for rear termination as shown. Do
not allow vent pipe seams to fall within the cabinet wall. Use
proper wall thimble as supplied by the venting manufacturer.
If finishing the interior with stone or masonry, the venting
can be installed without the appliance. Install the cabinet
and secure the venting using the Flue Rough-in Support
#1-00-774283.
Notice the side edges of the surround contain slotted
openings. These openings allow room air to be drawn into the
rear of the cabinet and circulated through the heat exchange
and back into the room. These openings can not be blocked. If
finishing with stone or masonry keep the masonry a minimum
of one inch from the sides of the surround. Mortar can be
used to give a more finished look.
The top of the chimney must also be sealed.
Otherwise, it can become a nesting area or a
water trap.
If passing through combustible
material, the proper thimble from the
vent manufacturer must be used.
M
asonr
y w
all
3" Clearance
Zero Clearance Cabinet
shown with Flue
Rough-in Support
Vent pipe seams must be
accessible.
Ver
tic
al
Ven
ting ma
y b
e used in a c
onstr
uc
ted chase
pr
oviding all clear
anc
es t
o c
ombustibles ar
e met.
Proper wall pass-thru device
as recommended by the
venting manufacturer.
E. Existing Fireplace, Rear Vent:
NOTE:
When installed in a rear vent configuration,
the maximum BTU may be reduced due to elevated
ESP temperatures associated with the horizontal
exhaust stream.
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