The damper is located at the top of the chimney and a chimney cap which prevents rain and critters from entering the chimney is attached.
Chimney top damper reviews.
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Lock top top sealing dampers are as much as 90 more efficient than throat dampers because they provide a silicone rubber gasket seal rather than metal to metal.
Unlike the top mounted damper which is obviously located on the upper end of the chimney the throat damper is located more towards the fireplace.
The damper closes all the way but due to it s design a very small amount of force can break the seal.
3 0 out of 5 stars does enough for the job.
Usually the default position for these dampers is open which means that if there is a problem with the damper s operation cord the damper will be stuck open.
These are commonly used in new construction and are the preferred damper of many professionals.
It seems the cable sometimes interferes and only closes 3 4 of the way.
The top sealing chimney damper is designed to stop cold air from coming down the flue and expensive conditioned air from going up.
Item 703429 model lm1216ld.
Only issue with ours is sometimes it closes all the way and sometimes it only closes about 3 4 of the way.
Pretty easy to install.
Burn safe and warm.
It immediately stopped the draft through the chimney in my house.
Overall i am happy with the damper and would recommend this to anyone looking for a chimney damper.
Thanks for a great question.
Mounts on top of your chimney to keep out animals leafs bugs snow and rain easily operates from inside your firebox and seals tight every time you close it eliminating any draft.
I think top sealing dampers are a great investment and energy savers and as a side benefit they preheat the stem of the chimney from the bottom to the top with warm air often allowing a much better up flow draft of the fireplace smoke.
Lock top mounts on top of your chimney to keep out animals leafs bugs snow and rain.
Lymance top sealing dampers are as much as 90 more efficient than throat dampers because they provide a silicone rubber gasket seal rather than metal to metal seal.
The forever cap 16 in w x 12 in l cast aluminum chimney damper.
It still prevents air from entering or exiting the home but the advantage to the top damper is that it seals air off at the top of the chimney which is more energy efficient.
A top damper works very similar to a throat damper.
