Sears 867.736349 Owner's Manual page 7

VERTICAL VENT INSTALLATION
Use a Type B-W gas vent installation kit, Sears Stock
No. 42-99767 (Fig, 6).
VENT INSTALLATION
2 FEET
VENT TOP
COLLAR
4" IB-1
VENT PIPE
OVAL TO ROUND
ADAPTER
BW VENT
BASE PLATE
CUT CEILING OPENING
Cut a ceiling opening 14-3/8" wide by 3-5/8" deep,
This must be directly above support brackets. The
back edge of the opening must be flush with the
wall (Fig. 7),
INSTALL CEILING PLATE SPACERS
CEILING PLATE SPACERS
PLATE
HEADERS SPACERS
CEILING JOISTS
PARALLEL TO
HOLE IN
CEILING
Two ceiling plate, spacers are in the B-W vent kit.
They must be fastened along each tong edge of the
ceiling hole to hold the oval vent pipe in the center of
the hole (Fig. 7).
If your ceiling joists run at right angles to the wall
and are in line with the studs, nail the plate spacers
to the ]oists. Be sure they tine up with the long edges
of the holes.
If the joists run parallel to the wall, install 2"×6"
headers between two joists as shown in Fig. 7. If the
joists and studs do not.line up, install headers as
required to support the plate spacers.
INSTALL FURNACE VENT
Remove two screws in vent support assembly (Fig.
8). Discard the vent support. Attach the bottom
plate, ftue collar, seal, and base plate from B-W gas
vent kit to the top support on wall (Fig. S).
VENT SUPPORT
SEAL
COLLAR
VENT
SUPPORT
DISCARD
BoI'rOM PLATE
II III IIIII IIIIII lie
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. 6). if it does not,
you must use a longer length. Force the vent pipe
into the base plate. Be sure the seal is in place. Lock
the pipe to the base plate with screws furnished in
the B-W gas vent kit.
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