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M
SIDE
RETURN
AIR DUCT
SIDE
RETURN
AIR DUCT
L
UNIT DIMENSIONS
UNIT
Width
Depth
Height
SIZE
A
B
036075
22
30-1/2
48
036105
22
30-1/2
48
048125
22
35-1/2
48
060155
22
35-1/2
48
* Filter rack provides transition from duct size to opening size.
† Duct sizes are ID dimensions for slipping over filter rack.
‡ Outlet of heat exchanger and elbow shipped with furnace are 6 in. Flue pipe may be reduced to 5-in. diameter for vent sizing.
E
F
A
D
1"
C
21
J
N
DUCT
FLUE
SUPPLY
DIAMETER
OPENING
C
D
E
F
20
17
6‡
20
17
6‡
20
22
6‡
20
22
6
→ Fig. 9—Dimensional Drawing
B
ALTERNATE
OIL INLET
THROUGH SLOTS
"
1
12
⁄
16
CLEANOUT
PORTS
4"
"
3
1
⁄
1 6
2"
"
9
⁄
16
"
2
9
⁄
1 6
"
9
13
⁄
16
"
15
11
⁄
16
END RETURN
AIR DUCT
DIMENSIONS (IN.)
SIDE
END (BOTTOM)
RETURN
RETURN
OPENING*
OPENING
G
H
J
K
15
25-1/4
20-1/8
17-1/16
15
25-1/4
20-1/8
17-1/16
15
30-1/4
20-1/8
22-1/16
15
30-1/4
20-1/8
22-1/16
—12—
KNOCK-OUT BOTH SIDES
FOR SIDE FLUE
B
E
7
OIL INLET
/
-IN.
8
DIA (2 PLACES)
BOTH SIDES
H
K
P
SIDE
END (BOTTOM)
RETURN
RETURN
DUCT SIZE†
DUCT SIZE†
L
M
N
18-1/4
25-1/4
20-1/4
18-1/4
25-1/4
20-1/4
18-1/4
30-1/4
20-1/4
18-1/4
30-1/4
20-1/4
ELECTRICAL
CONNECTIONS
1
(TOP)
/
-IN. DIA
2
BOTH SIDES
7
(BOTTOM)
/
-IN.
8
DIA BOTH SIDES
G
1"
1"
A96306
SHIP. WT
(LB)
P
25-1/4
220
25-1/4
227
30-1/4
236
30-1/4
243
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