BZZ backflow prevention device
The BZZ damper prevents uncontrolled air flow in the opposite direction when the ventilation system is switched off.
Airstream 1.1 EH
The low-energy, extremely quiet and efficient central fan with humidity sensor has been designed for the removal of stale and humid air.
- Low specific fan power – down to 0.6 W/I/s
- 5 Versatile duct connections
- Quiet operation
- Wall, ceiling or floor mount options
- Local boost Facility
- Maintenance Free
- Brookvent Control Indicator – Part F compliant
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