When using the “Extension pipe (L)” extension kit, the distance
between the heater exhaust pipe connection and the flue pipe
connection must be at least 63-
5
/
8
inch but no more than 80-
1
/
2
inch.
(See Figure 1 for reference.)
Extension Pipe Kit (L) PART #20479898
No.
Name of Part
Q’ty
1
2
3
4
5
6
7
Adjustable Exhaust Pipe
Max. 39-
3
/
8
~ 22-
7
/
16
Exhaust Extension Pipe
(long, 39-
3
/
8
inch)
Intake Pipe (80 inch)
Insulating cloth cover
(40 inch)
Pipe Holder
Pipe Support Hardware
L-Shaped Exhaust Joint
1
1
1
2
2
3
sets
1
NOTE: Use “L”-shaped Exhaust Joint if necessary.
INSTALLATION WITH EXTENSION PIPE KIT (L)
Adjustable
Exhaust Pipe
Insulation
cloth cover
Exhaust Extension
Pipe (long)
Pipe
holder
Intake Hose
Pipe Support
Hardware
(# 20479861)
(# 20474963)
(# 20474950)
(# 20479853)
(# 20479872)
(# 20474951)
(# 20474955)
Pipe Support Hardware
Pipe Holder (2 pcs.)
Pipe Holder Support (1 pc.)
Screw
(1 pc.)
Wood Screw
(2 pcs.)
Nut (1 pc.)
7
5
6
3-
3
/
8
3-
1
/
2
1
2
3
4
40 inch
80 inch
39-
3
/
8
inch
Max. 39-
3
/
8
~ Min. 22-
7
/
16
inch
Figure 1
Flue pipe
connection
Heater
Exhaust
pipe
connection
63-
5
/
8
~ 80-
1
/
2
Intake
Hose
EXTENSION KIT
23
Laser 300_Type A_US.qxd 15.3.26 16:12 ページ 23
