HVAC Backdraft Damper - By FAMCO Manufacturing

The FAMCO Butterfly Damper is used as a back draft damper for heat exchangers, exhaust systems, solar heating systems and other intake or exhaust applications where a powered damper is not needed. This damper works in both horizontal or vertical positions and the foam seal provides minimal air leakage. Due to its unique design it opens easily with normal air flow and closes with gravity.

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