Rinnai EX38DT Installation And Operation Manual page 20

4.4.5 Install the Optional Extension Kit
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:
❶
❷
❸
❹ ❺
Figure 18
Table 7: Extension Kit Contents
Item Description
1 Exhaust Pipe (adjustable)
12.2-21.1 in. (311-536 mm)
1 Exhaust Pipe (adjustable)
21.9-40.4 in. (556-1,026 mm)
2 Exhaust Pipe - 39.4 in. (1,000 mm) FOT 114-3
3 Air Intake Hose - 29.5 in. (750 mm) RHF 1000-130-e
3 Air Intake Hose - 51.2 in. (1.3 m)
3 Air Intake Hose - 90.6 in. (2.3 m)
4 Bent Elbow
5 Hose Joint
6 Pipe Stopper A
7 Pipe Stopper B
8 Top Stopper
9 Pipe Clamp
10 Wall Fixture
11 Nut
12 Screw A
13 Screw B
20
❻
❿
❼
❽
Part Number
FOT-102 FOT-103 FOT-114 FOT-115
FOT 111-1
FOT 112-1
RHF 1000-130-b
RHF 1000-130-f
FOT 025-4
RFOT 226-001
1001F-250
FOT 111-6
FOT 062-7
FOT 064-11
FOT 064-12
FOT 062-10
ZAA0420SC
CP-30408
EX38DT Installation and Operation Manual
❾ ⓬
⓭
⓫
Extension Kit Part Number
1
1
1
1
1 1
1 1
1 1
1 1
2 Sets 3 Sets 4 Sets
2 3
2 3
2 3
4 6
1
1
1
1
1
2 2
1
1
4
4
4
8