ABV Renewaire Automatic Balancing Dampers 4, 5, 6″
For use with Renewaire ERV units
Maintains a constant airflow volume in HVAC applications
Damper blades are calibrated to automatically adjust to varying pressures, giving the dampers true pressure independence
4″ diameter, 20-130 CFM; 5″ diameter, 20-130 CFM; 6″ diameter, 50-275 CFM