The Lock Top Damper is the perfect solution if you are tired of your cold, drafty wood fireplace. There's no question, old traditional metal fireplace throat dampers tend to be very leaky even when the damper is closed. Moreover, a traditional masonry fireplace throat damper will leak $200 or more of energy a year on average. The Lock Top Damper is equipped with a silicone gasket under the lid which makes for an extremely tight seal when the damper is closed, saving you money. Features Not only will this fix your downdraft concerns for your wood fireplace, but we make it easy to get the installation done. All in all, the hardware is included for an easy installation. Moreover, the only tools you will need to install the damper are a pair of wire cutters, drill, 1/4" masonry drill bit, and a hammer. Not only is the cable made from heavy duty stainless steel, but also it is capable of withstanding extreme temperatures, it will not burn out. In addition, the base is constructed of heavy duty cast aluminum and the lid is constructed from stainless steel. Whether you are looking for a simple solution, or an affordable solution, the Lock Top Damper is a great choice. 30 ft. stainless steel cable Mounting hardware Adhesive Lifetime Warranty Operating Your Lock Top Damper Firstly, mount the Lock Top Chimney Damper on the top of your chimney flue. Secondly, adjust the chain handle to the bracket you mount on the fireplace wall. Finally, lock the cable in the fireplace bracket when you want to close the damper and release the cable from the bracket to allow the damper to spring open when you are ready to have a fire. Most important, this is intended for use with traditional masonry wood burning fireplaces. In addition, do not use with gas appliances or gas logs. Note: Do not use Lock Top dampers with gas logs. For example, failure to open the damper with gas logs could result in carbon monoxide in the home. Also, in the event of a gas leak & gas is trapped in the chimney, it could result in an explosion. Lock Top Damper Sizing: Firstly, measure the inside of the masonry chimney opening or clay flue. Secondly, compare your measurements to the chart below to find the damper size that will fit. Size Fits Inside Flue Sizes Height of Open Lid 8" x 8" 6" to 9" Width x 6" to 9" Length 8" 8" x 13" 6" to 9 1/2" Width x 9" to 12 1/2" Length 8 1/2" 8" x 17" 6" to 9" Width x 14" to 17 1/2" Length 7 1/2" 13" x 13" 9" to 12 1/2" Width x 9" to 12 1/2" Length 9" 13" x 17" 9" to 12 1/2" Width x 14" to 17 1/2" Length 7 3/4" 17" x 17" 14" to 17 1/2" Width x 14" to 17 1/2" Length 7 1/4"
