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Lyemance Chimney Dampers



The Lyemance Chimney damper will bring efficiency into your home and help conserve wasted time, money and energy. The Lyemance Damer eliminates as much as 90% of the air loss of a traditional damper, proving to save you up to $100 in a single heating session. It is designed to lock in heat, while keeping rain, snow and debris from entering the chimney

It is a top mount chimney damper that is installed on top of your chimney flue and has a line that attaches to the side of the firebox to open and close it.



  • Fits Inside Flue Sizes 6 1/4″ x 11″ to 8 1/8″ x 12 1/8″ and has a Cross-Sectional Area of 49 sq. inches.



  • Fits Inside Flue Sizes 10″ x 10″ to 12 1/2″ x 12 1/2″ and has a Cross-Sectional Area of 66 sq. inches.

Additional information


8"x13", 13"x13"


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