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EX17DT and EX22DT Installation and Operation Manual 19
4.4.3 Install the Optional Extension Kit
Description
Extension Kit Part Number
FOT-201 FOT-219 FOT-220 FOT-221 FOT-158 FOT-190
1 Exhaust Pipe (adjustable)
11.4-20.3 in. (290-515 mm)
1
1 Exhaust Pipe (adjustable)
21.0-39.6 in. (533-1,005 mm)
1 1
2 Exhaust Pipe - 40 in. (1,016 mm) 1
3 Air Intake Hose - 29.5 in. (750 mm);
1.5 in (38 mm) inner dia.
1
3 Air Intake Hose - 29.5 in. (750 mm);
2.0 in. (50 mm) inner dia.
1 1
3 Air Intake Hose - 49.2 in. (1.25 m) 1
3 Air Intake Hose - 90.6 in. (2.3 m) 1
4 Bent Elbow 1
5 Long Bent Elbow 1 1
6 Hose Joint - 1.5 in. (38 mm) inner dia. 1
6 Hose Joint - 2.0 in. (50 mm) inner dia. 1 1 1 1
7 Pipe Stopper A 1 1 1 2 1 1
8 Pipe Stopper B 1 1 1
9 Pipe Clamp 2 Sets 3 Sets 4 Sets
10 Wall Fixture 2 3 4
11 Nut 2 3 4
12 Screw A 2 3 4
13 Screw B 4 6 8
Item
Extension kits are available to extend the exhaust line and air intake hose between the manifold and
direct vent furnace. Follow the steps in this section if the optional extension kit was purchased for
your Direct Vent Furnace model.
Extension Kit Contents
Verify the following contents are included in the extension kit:
Table 7: Extension Kit Contents
❷
❸
❹
❺
❻
❽
❼
❾
❿ ⓫
⓬
⓭
Figure 15
❶
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