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116240-01J
17
VENTING INSTALLATION
Continued
Note: Install
restrictor into
inner collar of
fireplace as
shown.
Note: Vertical (V
1
) + Vertical (V
2
) = 40' max.
Figure 23 - Vertical Venting
Configuration Using Two 90° Elbows
(Vertical Round High Wind Termination
Shown)
45° Elbow
Vertical Venting
V = 40' max.
Figure 24 - Vertical Venting
Configuration With No Horizontal Run
(Vertical Round High Wind Termination
Shown)
Note: Install
restrictor into
inner collar of
fireplace as
shown.
45° Elbow
HIGH ALTITUDE INSTALLATION
Your DESA Heating, LLC direct-vent fireplace
has been tested and approved for elevations
from 0-2000 feet (USA) and elevations from
0-4500 feet (Canada).
When installing this fireplace at an elevation
above 2000 feet (in the USA), you may need
to decrease the input rating by changing the
existing burner orifice to a smaller size. Re
-
duce input 4% for each 1000 feet above sea
level. Check with your local gas company for
proper orifice size identification.
Venting with Two 90° Elbows
Vertical (V
1
) Horizontal (H)
5' min.
6' max.
6' min.
12' max.
7' min.
18' max.
8' min.
20' max.
When installing this fireplace at an elevation
above 4500 feet (in Canada), check with local
authorities.
Consult your local gas company to help deter
-
mine the proper orifice for your location.
For assistance with any high altitude instal
-
lation contact DESA Heating, LLC’ Customer
Service Department at 1-866-672-6040.
