Sears 867.736349 Owner's Manual page 10

RECESSED MOUNT INSTALLATION (CONTINUED)
FURNACE SUPPORT BLOCKS
Cut two (2) 3-1/8" high, 2 x 4 blocks, and nail to floor
plate and studs (Fig. 13).
GAS AND ELECTRIC
SUPPLY OPENINGS
GAS LINE OPENING BOTTOM OF
IN BACK WALL
FURNACE
2x4
SUPPORT _--__ _ BLOCKS
ELECTRICAL
SUPPLY OPENING
IN FLOOR PLATE
OR WALL STUD
OR FLOOR
I" D4A.
CEILING PLATE SPACERS
, j
GAS LINE
OPENING FINISHED
IN FLOOR FLOOR LINE
GAS AND ELECTRICAL SUPPLY OPENINGS
Decide whether the gas fine will come through lhe
floor or back wall.
Drill a 1 ]/2" hole in ",vail or floor (Fig. t3).
The electrical supply opening must be at the lower
right of the furnace, either in the floor or stud
beneath the furnace bottom (Fig. 13).
Decide which location to use and drill a 1 inch hole.
Run the electrical supply and ground wries to the
opening. Leave enough length to connect in the
junction box after the furnace is installed. See
section "Electrical Wiring", page 14.
VERTICAL VENT INSTALLATION
Use a Type B-W gas vent installation kit, Sears Stock
No. 42-99767 (Fig. 17).
INSTALL CEILING PLATE SPACERS
Cut away the ceiling plate between the studs "where
the furnace is to be installed. Work from the top in
the attic.
If there is no access to the top, remove the wall
covering between the two wall studs, all the way to
the ceiling. Work through this opening.
Cut out the entire ceiling plate so the plate edges.
will be even with the inner face of the 2" x 4" studs
(Fig. t4),
Nail the ceiling plate spacers (furnished with gas
vent kit) across the cut out section of ceiling plate
(Fig. 14). The spacer lugs are to center the oval vent
pipe in the stud space.
INSTALL VENT SUPPORT
Measure up 73 inches from the top of the support
block. Pl_ce a mark on each stud :_t this distance
(Fig. 15).
VENT SUPPORT INSTALLATION
BASE PLATE
TOP OF
VENT SUPPORT
VENT SUPPORT
ASSEMBLY
SUPPORT
BLOCKS
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BOTTOM OF WALL OPENING
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