But if airflow control doesn't seem to work as predicted, some further checking is in order, since it's possible to mount the duct damper handle improperly.
The fan is on, the damper is open and the other registers have airflow. duct blockage with a pressure gauge and several 3/in. test holes.
Determine if your HVAC damper is a manual control damper or an automatic control damper. Manual dampers will have an adjustment handle on the side of the.
A damper is a valve or plate that stops or regulates the flow of air inside a duct, chimney, VAV . Views. Read · Edit · View history.
more closely at their furnace ductwork and the dampers -- small doors inside Allow the heat to run for an hour, and then check the temperature in each room.
You must know what dampers are before dealing with them. device which opens or close to regulate the amount of air that passes through the duct and vents.
Follow your ductwork to figure out which registers the damper fits with, and check the registers airflow when your system is running.