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Valid October 1–31, 2026, until 11:59 PM ET. Limited quantities while supplies last. Cannot be combined with any other coupon, discount, promotion, clearance item, or volume discount. Subject to change at any time.

Ortech BDA-12 Back Draft Damper for Airflow Control In Ventilation System

Ortech

SKU bda-12

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Special Price $18.40 Regular Price $22.99
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Specification Sheet Installation Sheet
For mounting between ducts The damper is installed by sliding between two ducts Capable of functioning in both horizontal and vertical positions When mounted, damper prevents back draft when the fan stops; temperature usage up to +50ºC Aluminum blades will open when blades are exposed to pressure and will shut again when pressure drops Its mechanical spring is sealed with a rubber (neoprene) gasket, which helps opening and shutting of the aluminum blades
More Information
More Information
Duct Diameter12.37"
Dimensions5.06"H
Documents
Specification Sheet Installation Sheet
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