Lock-Top II 17" x 17" Chimney Cap/damper 3/4"

The Lock-Top II combines the energy-saving features of the Lock-Top Damper with a special Gelco chimney cap, offering unparalleled results in saving money, time and frustration in chimney energy conservation. It is designed to seal the chimney and keep bad weather, pests, and unconditioned air outside, keeping clean conditioned air inside.The 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" and 3/4" mesh. Size: 17" W x 17" L x 11-3/8" H. Fits Inside Flue Sizes: 14" x 14" to 17-1/2" x 17-1/2". Cross-Sectional Area: 225" Sq. Mesh Size: 3/4". Note: Don't use Lock-Top dampers with gas logs - failure to open could cause carbon monoxide to back up into the house. In case of a gas leak, gas could be trapped in the flue, resulting in an explosion. Features: Stainless steel and cast-aluminum construction. Lifetime Warranty. Silicone rubber seals tight.

• Energy Saving: Silicone Rubber Seals Chimney Tight, No Air & Water Leaks.
• Premium Quality Damper, Made in the USA.
• Includes: Sweeps Ring, silicone sealant, 30' stainless steel cable, and hardware set. Arrives Fully Assembled.
• Warranty: Manufacturers Lifetime Warranty.
• Material: Stainless steel and cast-aluminum construction, with silicone rubber gasket.