11
Clearance to combustibles
A97609
324999-201 TOP REV. B
MINIMUM INCHES CLEARANCE
TO COMBUSTIBLE CONSTRUCTION
*
Mimimum front clearance for service 30
inches (762mm).
140 size furnaces require 1 inch back
clearance to combustible materials.
For installation on combustible floors only
when installed on special base No.
KGASB0201ALL, Coil Assembly, Part No.
CD5 or CK5, or Coil Casing, Part No.
KCAKC.
Clearance shown is for air inlet and air
outlet end.
Line contact is permissible only between
lines formed by intersections of top and two
sides of furnace jacket, and building joists,
studs, or framing.
120 and 140 size Furnaces require 1 inch
bottom clearance to combustible materials.
Ø
†
§
Clearance in inches
Vent clearance to
combustibles 0".
Clearance arrows
do not change with
furnace orientation.
DOWNFLOW POSITIONS:
HORIZONTAL POSITIONS:
††
ALL POSITIONS:
*
BOTTOM
DESSOUS
0"
Ø
†
3"
0"
§
0"
††
TOP/PLENUM
DESSUS/CHAMBRE D´AIR
1"
0"
§
30
MIN
S
I
D
E
C
O
T
E
S
F
R
O
N
T
A
V
A
N
T
B
C
K
A
R
R
I
E
A
E
R
S
E
R
V
I
E
C
L
È
N
T
R
T
E
N
E
I
V
A
N
A
T
F
R
O
N
T
S
I
D
E
C
O
T
E
S
F
O
U
U
F
R
N
A
C
S
E
E
I
A
R
N
This forced air furnace is equipped for use with natural gas at altitudes 0 - 10,000 ft (0 - 3,050m), except 140 size
Furnaces are only approved for altitudes 0 - 7,000 ft. (0 - 2,135m).
An accessory kit, supplied by the manufacturer, shall be used to convert to propane gas use or may be required for
some natural gas applications.
This furnace is for indoor installation in a building constructed on site. This furnace may be installed in a manufactured
(mobile) home when stated on rating plate and using factory authorized kit.
This furnace may be installed on combustible flooring in alcove or closet at minimum clearance from combustible
material.
This appliance requires a special venting system. Refer to the installation instructions for parts list and method of
installation. This furnace is for use with schedule-40 PVC, PVC-DWV, or ABS-DWV pipe, and must not be vented in
common with other gas-fired appliances. Construction through which vent/air intake pipes may be installed is maximum
24 inches (600 mm), minimum 3/4 inches (19 mm) thickness (including roofing materials).
This furnace is approved for UPFLOW, DOWNFLOW and
HORIZONTAL installations.
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