Lyemance Lock-Top II 3/4' Mesh Chimney Cap/Damper - 09
Stop the energy thief...your fireplace damper Traditional fireplace dampers leak. They leak a lot. That costs you big money in lost utility dollars going out your chimney. Lock-Top II combines the energy-saving features of the Lock-Top Damper with a special stainless steel chimney cap. Thie Lock-Top II comes fully assembled. Its base mounts to the included sweep's ring which attaches to the flue tile with silicone sealant (included). A 30' stainless steel cable (included) drops down the flue, and a hardware set mounts in the firebox. All Lock-Top II cap/dampers have an overall height of 11 3/8". The Lock-Top II has a lifetime warranty and is available in 3/4" or 5/8" mesh. The following sizes fit the corresponding inside flue sizes: 8" x 8" fits 6" x 6" to 9" x 9" 8" x 13" fits 6" x 9" to 9 1/2" x 12 1/2" 8" x 17" fits 6" x 14" to 9 1/2" x 17 1/2" 13" x 13" fits 9" x 9" to 12 1/2" x 12 1/2" 13" x 17" fits 9" x 14" to 12 1/2" x 17 1/2" 17" x 17" fits 14" x 14" to 17 1/2" x 17 1/2" *NOTE: Do not use top-sealing dampers with gas logs. Failure to open could cause carbon monoxide to back up into the house. Also, it is hard to adjust the damper leaving the 1" opening required when logs are not in use. In case of a gas leak, gas could be trapped in the flue, resulting in an explosion.