Installation Manual
AIRFLOW & ZONE CONTROLS
Backdraft Dampers
Spring-Loaded Backdraft Dampers
INSTALLATION
OPERATION
MAINTENANCE
READ AND SAVE THESE INSTRUCTIONS
4"-8" MODELS
STAMPED METAL SLEEVE / CENTER PIN DESIGN
INSTALLATION
American ALDES Ventilation Corporation • 4521 19th Street Court East, Suite 104 • Bradenton, FL 34203 – USA
941.351.3441 • 800.255.7749 • 941.351.3442 (fax) • info@americanaldes.com • www.aldes.us
© 2014 American ALDES Ventilation Corporation. Reproduction or distribution, in whole or in part, of this document, in any form or by any means, without the express written consent of
American ALDES Ventilation Corporation, is strictly prohibited. The information contained within this document is subject to change without prior written notice.
BDD_IOM_0314
DESCRIPTION
• 20-gauge galvanized steel
housing.
• Aluminum spring-loaded buttery
damper blades.
• Damper seals against EDPM
rubber gasket in closed position
for minimal leakage.
• Gasket designed for use in
temperatures from -22°F to180°F.
• Requires airows of 0.04 to 0.08 in.
w.g. to begin to open.
• May be installed in any position.
The 14" and 16" models require
adjusting spring tension if used
in vertical position, with airow
down.
• The entire assembly inserts into
duct for simple installation.
• Exterior foam gaskets provide a
tight seal against interior surface
of duct.
NOTE
Not recommended for use with clothes
dryer, unless proper provisions are
made for regular cleaning.
Center
(Center Post)
10"-16" MODELS
ROLLED METAL SLEEVE / CENTER POST DESIGN
Backdraft dampers are simply tted into the duct. The foam gasket provides
a secure t.
Make sure the damper is oriented so that the damper blades are in the open
position when the fan is on. The blades will close automatically when the
fan stops.
FAN ON FAN OFF
MAINTENANCE
No periodic mantenance required.
WARRANTY
The entire unit is guaranteed for three (3) years, from date of shipment,
against all manufacturing defects, provided the material has been installed
and operated per manufacturer's instructions and under normal conditions.
Warranty is limited to the repair or replacement of the material upon its return
freight paid to our factory. This warranty is not transferable and is limited to the
original end user.