Venting Specifications
Air intake vents
Optional
motorized
dampers
Must use 7”intake venting
lines. Each venting line can be
a maximum of 150ft plus 6
12” exhaust venting can be
a maximum of 150ft plus 6
elbows
For servicing purposes, it is
recommended that, if possible,
the optional motorized dampers
be accessible after installation.
All venting including exhaust is
zero clearance to combustible
materials.
Fresh air intakes can be joined
into a larger single duct or plenum.
(Minimum 150 in² cross-section for
all models)
Power vent mounted
horizontally.
Power vent mounted vertically
with intake vents built into an
elevated riser.
Intakes combined into a larger
single duct to reduce exterior
penetrations.
Figure 15: Venting specifications for Bottom Intake models.
• Bottom Air intake venting uses three 7” standard single wall furnace grade venting ducts on 3-6ft burner
models, and four 7” vents on 7-8ft models. All vent intakes must be used. Each intake line can be up to a
maximum of 150 ft plus 6 elbows.
• Motorized dampers are optional.
• Exhaust venting uses 12” standard single wall furnace grade venting material. Maximum length is 150 ft
plus 6 elbows.
• All Venting is zero clearance.
• All Vent seams (Intake and Exhaust) including elbow rivets must be sealed with high temperature
aluminum tape.
Bottom
Intake
Models
20
031220-60
Architectural Series
100004782
