6
CLEARANCE TO COMBUSTIBLE MATERIAL (INCHES)
UPFLOW/HORIZONTAL MODELS
TOP
LEFT SIDE
FRONT
RIGHT SIDE
ALTERNATE
GAS CONNECTION
BOTTOM
RETURN
AIR
AIRFLOW
SUPPLY
AIR
26
13
/16
26
5
/8
24
11
/32
24
11
/32
19
/32
9
/16
24
7
/16
28
1
/16
26
5
/8
14
3
/
8
11
1
/2
34
1
5
/8 DIA.
23
15
20
D
7
/8 DIA.
7
/8 DIA.
19
/32
19
/32
3
/4
14
3
/8
11
1
/
2
1
1
/
4
23
17
/32
C
F
GAS CONNECTION
ELECTRICAL CONNECTION
OPTIONAL RETURN AIR CUTOUT
(EITHER SIDE) FOR USE WITH
EXTERNAL SIDE FILTER FRAME
LOW VOLTAGE
E
SIGHT
GLASS
A
B
FIGURE 2
UPFLOW/HORIZONTAL DIMENSIONS
IMPORTANT: This furnace is not approved or recommended for
installation on its back, with access doors facing upwards.
REDUCED CLEARANCE (IN.)
Model A B C D E F
Left Right
Back Top Front Vent
Ship.
Side Side Wgts.
05 14 12
27
/32 10
5
/8 ➀ 11
1
/2 1
7
/8 04➁ 01 36➂ 85 lbs.
07 17
1
/2 16
11
/32 12
3
/8 ➀ 15 2
1
/2 03➁ 01 36➂ 105 lbs.
10(A) 17
1
/2 16
11
/32 12
3
/8 ➀ 15 2
1
/2 03➁ 01 36➂ 115 lbs.
10(B) 21 19
27
/32 14
1
/8 ➀ 18
1
/2 2
1
/2 00 01 36➂ 120 lbs.
12 24
1
/2 23
11
/32 15
7
/8 ➀ 22 2
1
/2 00 01 36➂ 140 lbs.
15 24
1
/2 23
11
/32 15
7
/8 ➀ 22 2
1
/2 00 01 36➂ 150 lbs.
➀ May require 3” to 4” or 3” or 5” adapter.
➁ May be 0” with type B vent.
➂ May be 1” with type B vent.
24
1
/2
25.406