HOW TO CHECK DAMPERS IN DUCTWORK

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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.

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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.

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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.

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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.

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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.

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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.

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Follow your ductwork to figure out which registers the damper fits with, and check the registers airflow when your system is running.

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