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Home » Shop All Products » Chimney Accessories » Dampers / Damper Chimney Caps » National Chimney Sealtight Damper
National Chimney Sealtight Damper
$253.35 – $397.65
- Attaches to the top of the flue
- Tight, gasketed fit to seal out the elements
- Not for use on chimnies venting gas logs
- Includes a lifetime warranty
Estimated Delivery:
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Typically ships between 3-5 business days.
National Chimney Sealtight Damper
$253.35 – $397.65
Item# ST
Product Summary
This is a great option for homeowners who don’t want a cap visible on their chimney. The National Chimney Sealtight Damper attaches to the top of the flue. It provides a tight gasketed fit to seal out weather, insects, birds, and other animals while keeping in heat. (This damper can also be installed beneath a HY-C chimney cap.) Each damper kit includes a Lifetime Warranty, 30’ cut-to-fit cable, fireplace bracket, cool-touch spring handle, mounting adhesive, and hardware. Do not use on chimneys venting gas logs.
RoofingDirect.com offers an excellent selection of high quality dampers and damper caps for your next roofing job. Our team has decades of industry experience and is ready to serve you. Please contact us, and we will be happy to answer any questions.
Features + Benefits
- Attaches to the top of the flue
- Tight, gasketed fit to seal out the elements
- Not for use on chimnies venting gas logs
- Includes a lifetime warranty
Product Specifications
Product Reviews
7 reviews for National Chimney Sealtight Damper
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Questions & Answers
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Q & A
Yes, this damper is compatible under HY-C caps.
answered on October 20, 2021 store managerThis damper is made with cast aluminum and stainless steel hardware.
answered on October 13, 2021 store managerSorry, no questions were found
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Great product, easy to install.
David, thank you for letting us know that the damper was easy to install!
Took too long to get the damper
Lisa, thank you for leaving a review for the Sealtight Damper. We apologize for the extended delay on your order. The manufacturer was waiting on a part they needed to complete the assembly. After receiving it, we hope that it has exceeded your expectations!
perfect fit. customer rep was very helpful.
Ben, thank you for your review! We are glad that our rep was able to help you out and it fits perfect!
No comment
Thank you for leaving 5 stars on the sealtight damper.
Good direction, easy install, good investment
We appreciate your review! Thanks