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Remove two screws from vent support assembly
(Fig. 16). Place Base plate (furnished with gas vent
kit) on top of seal. Fasten base plate, seal, ftue
collar, vent support and bottom plate together with
screws (Fig. 15).
VENT SUPPORT
ASSEMBLY
SEAL
FLUE
COLLAR
VENT
SUPPORT
SO'frOM PLATE
Place the vent support between the studs with the
top even with marks on the studs (Fig. 15).
Drill pilot holes in the studs through the two holes in
each side of vent support.
Fasten vent support to the studs. Use four (4) #10 x
V2" wood screws (furnished),
INSTALL FURNACE VENT
Lower a 4 foot length of oval, double wall vent pipe
through the ceiling hole to the base plate. The first
length of pipe must reach from the base plate to at
least 6 inches above the ceiling (Fig. 17). If it does
not, you must use a longer length. Force the vent
pipe into the base plate. Besure the seal is in place.
Lock the pipe to the base plate with screws furnished
in the B-W gas vent kit.
VENT INSTALLATION
CElUNG PLATE
SPACERS
6_' MIN. \
TOP
STORM COLLAR
ROOF FLASHING
OVAL TO
ROUND
ADAPTER _
CEILING
PLATE
SPACER
LUGS
12 FT, M|N. /
INSULATION
SEAL
BWVENT PIPE
VENT IASE
PLATE
VENT
. SUPPORT
2"'X4"
WALL STUDS
Install oval to round adapter. Complete the piping,
extending it through the roof. Use 4" round, double
wall (Type B-1 vent pi_e, roof flashing, storm collar
and vent top as shown In Fig. 17. The vent top must
be at least 2 feet above the highest point of the roof
within 10 feet. There must be at least 1 inch
clearance between the vent pipe and any combus-
tible material.
If an existing brick chimney is used, follow the
directions above for the section from the base plate
through the ceiling. Then you may adapt to a Type
B-1,4" round, double wall pipe for the horizontal run
to the chimney. Connect into a chimney only in
accordance with tocai codes and ordinances.
HORIZONTAL VENT INSTALLATION
The furnace can be vented horizontally only by using
the horizontal vent kit, Stock No. 42-7369.
On the back wall behind recess location, measure up
71-1/2 inches above the bottom of furnace location
(Fig. 18). Cut an opening between the studs 14-3/8
inches by 10 inches in back wall.
11
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