Back Draft Damper Installation - How to install a damper

In this installation video, we show you how to install a back draft damper. Back draft dampers allow exhaust air to flow out of the home while stopping air from the outside of the home to leak in.
We recommend using the FAMCO BD Butterfly Damper 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 and Aluminum blades, it opens easily with normal air flow and closes with gravity. Quality constructed in Galvanized Steel, gauges 28-22.
To purchase this damper just go to www.famcomfg.c...
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