Rinnai Energysaver ES38, Installation Fundamentals

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• The table below illustrates each model’s permissible vent length and kit part numbers
Specific Venting Changes
MODEL
ES08/EX08C ES11/EX11C
ES17/EX17(C)
ES22/EX22(C)
ES38
Extended
Vent
Guidelines
Total extended vent limit 0 13 feet 13 feet 13 feet
Total vertical limit 0
8 feet (unless greater
than 2000’ altitude then
only 5’ for the ES11
10 feet 13 feet
T
y
pe
of
E
x
tende
d
v
e
nt
ing
k
it ne
e
ded
12” to 20” (0.3-0.5m) extension
from exhaust to termination
The 08
series can not
use
extensions
Use kit FOT-155 Use kit FOT-219 Use kit FOT-102
21” to 40” (0.5-1m) extension
from exhaust to termination
Use kit FOT-156 Use kit FOT-220 Use kit FOT-103
61” to 80” (1-2m) extension
from exhaust to termination
Use kit FOT-157 Use kit FOT-221 Use kit FOT-114
Standard bent elbow
(can be straightened for
extensions less than 12”)
Use kit FOT-
158 (only 1)
Use kit FOT-158 Use kit FOT-158 Use kit FOT-115
Long bent elbow
(can be straightened for
extensions less than 24”)
Not available
for the ES08
Use kit FOT-190
or FOT-201
Use kit FOT-190
or FOT-201
Not available for
the ES38
FOT-201 now includes an intake hose . It replaces FOT-190
• Each extension kit comes with piping, mounting hardware and pipe connection accessories.
• See the installation / owner’s manual for a complete listing for the kit contents and detailed installation instructions.
• No more than two (2) elbows may be used on any furnace.