The FAMCO BD butterfly backdraft damper is used as a backdraft damper for heat exchangers, exhaust systems, solar heating systems and other intake or exhaust applications where a powered damper is not needed, this product is not rated for use with a dryer. This damper works in both horizontal or vertical positions and the foam seal provides minimal air leakage. Due to its unique design and aluminum blades, it opens easily with normal air flow and closes with gravity. Quality constructed from heavy-duty galvanized steel, sizes 4-6 inch are 28 gauge, sizes 8-12 inch are 26 gauge, size 14 inch is 24 gauge, and sizes 16-20 inch are 22 gauge.
The FAMCO BD butterfly backdraft damper comes in sizes ranging from 4 inch to 20 inch. The FAMCO BD butterfly backdraft damper is manufactured by FAMCO in the United States and comes with a 1-year warranty against product defects and workmanship. If you have any questions about this product, please refer to the FAQs above or feel free to contact us.
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