Brochure

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COMBUSTION
Combustion Air Unit
Combustion
Air Unit
Open
Hearth
A
B
C
D
E
F
The CAU combustion air unit is an intake air hood and
damper combined into one compact unit. The CAU
opens automatically to provide air for combustion in the
fireplace. Its compact design is ideal for hearths located
on an exterior wall of the home.
The Combustion Air Unit
Specifications
Unit Dimensions (Inches) Electrical Data
Model A B C D E F Volts Hz Watts
Timing
CAU-4
7
1
⁄8 8 4 4 4 6 24 60 3
15 seconds to
open/close
CAU-6
9 10
1
⁄2 4 6 6 6 24 60 3
15 seconds to
open/close
Features
• Can be installed with or without the Flue Sentinel
®
electronic flue damper
• Galvanized steel construction
• Automatic operation
• Standard adjustable, variable position mounting
bracket offers a variety of mounting options
• Easily mounts on exterior wall or crawlspace
• Paintable
• Two models - 4" & 6"
How It Works
When there is a call for fire, the CAU damper opens
and allows the fire to start. Outside air is channeled
directly into the firebox for combustion air. When the
fire is turned off, the damper closes.
A
B
C
D
E
F
FOR GAS FIREPLACES
Combustion Air Unit