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.
- 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
- 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.