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venting requirements
EN
2.2
special vent installations
2.2.1 periscope termination
Use the periscope kit to locate the air termination above grade. The periscope must be installed so that when
fi nal grading is completed, the bottom air slot is located a minimum 12" (305mm) above grade. The maximum
allowable vent length (including both rise and run) is 10' (3m) for a fi replace and 8' (2m) for a stove. An insulation
sleeve is illustrated in the top vent image below, use only when supplied with the appliance.
(The insulation sleeve is not required with a stove appliance)
30" (76.2cm)
minimum
12"
MINIMUM
30"
MINIMUM
2.2.2 corner termination
MAXIMUM 10FT VENT LENGTH
The maximum vent length for a corner installation is 20" (50.8cm) of horizontal run, in addition to the 45° offset. In
this case 0" rise is acceptable when using rigid venting. When using flexible venting, it is required to maintain a 6"
TALLATION
REAR EXIT INSTALLATION
(152mm) rise. See illustrations below for more information.
m)
M
m)
M
14
W415-2835 / C / 03.07.22
12"
MINIMUM
REAR VENT
6" (152mm)
RISE MINIMUM
FLEXIBLE VENTING
6" (152mm)
Rear Vent
RISE MINIMUM
Corner
12" (30.5cm)
minimum
to grade
30" (76.2cm)
minimum
30"
MINIMUM
34 5/8"
(87.9cm)
TOP EXIT INSTALLATION
RIGID VENTING
Required Rise
Rigid Venting
0"
Flexible Venting
6" (152mm)
12" (30.5cm)
minimum
12"
MINIMUM
TOP VENT
8.1
MAXIMUM 10FT VENT LENGTH
20" (50.8cm)
MAXIMUM
20" (50.8cm)
MAXIMUM
to grade
30"
MINIMUM
REAR EXIT INST
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