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Extension Pipe Kit (M)
Max. 39-
3
/
~ Min. 22-
7
/
inch
8
16
1
(# 20479853)
40 inch
2
(# 20474951)
40 inch
3
(# 20474955)
No.
Name of Part
Q'ty
Adjustable Exhaust Pipe
1
Max. 39-
3
/
~ Min. 22-
7
/
8
16
2
Intake Pipe (40 inch)
Insulating cloth cover
3
(40 inch)
4
Pipe Holder
5
Pipe Support Hardware
sets
6
L-Shaped Exhaust Joint
When using the "Extension pipe (M)" extension kit, the distance
between the heater exhaust pipe connection and the flue pipe
connection must be at least 25-
inch. (See Figure 2 for reference.)
PART #20479897
6
4
1
3-
/
2
(# 20479861)
(# 20474963)
5
(# 20474950)
Pipe Support Hardware
Pipe Holder (2 pcs.)
Pipe Holder Support (1 pc.)
Nut (1 pc.)
Screw
Wood Screw
(1 pc.)
(2 pcs.)
Figure 2
1
1
1
Flue pipe
connection
1
25-
Intake Hose
~42-
2
1
Heater
Exhaust
pipe
connection
5
/
inch but no more than 42-
8
Extension Pipe Kit (S)
Max. 19-
11
/
~ Min. 12-
16
1
(# 20479858)
20 inch
2
(# 20474951)
40 inch
3
(# 20474955)
No.
Name of Part
Adjustable Exhaust Pipe
1
Max. 19-
11
/
~ Min. 12-
16
2
Intake Pipe (20 inch)
Insulating cloth cover
3
(40 inch)
4
Pipe Holder
5
/
8
1
/
2
5
Pipe Support Hardware
6
L-Shaped Exhaust Joint
When using the "Extension pipe (S)" extension kit, the distance
between the heater exhaust pipe connection and the flue pipe
1
/
connection must be at least 15-
2
inch. (See Figure 3 for reference.)
PART #20479896
6
6
4
5
/
inch
8
1
3-
/
2
(# 20479861)
5
(# 20474950)
Pipe Support Hardware
Pipe Holder (2 pcs.)
Pipe Holder Support (1 pc.)
Screw
Wood Screw
(1 pc.)
(2 pcs.)
Figure 3
Q'ty
1
5
/
8
1
1
Flue pipe
connection
1
1
sets
Intake Hose
1
3
/
inch but no more than 22-
4
(# 20474963)
Nut (1 pc.)
15-
3
/
4
3
~ 22-
/
4
Heater
Exhaust
pipe
connection
3
/
4
21
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