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    Fireplace Dampers & Chimney Dampers

    Often overlooked, chimney dampers & fireplace dampers allow you to close off the chimney flue when the fireplace is not in use. This keeps the heat and air conditioned air from escaping up your chimney. Avoid the inefficiency by using a fireplace chimney damper. With several different options available, find the right one for your home today at the best prices!
    Browse Chimney Dampers


    If you're looking for fireplace damper replacement or fireplace damper parts, we also have you covered. We have different styles of draft guard fireplace covers, chimney flue damper and stops, and damper caps. All orders over $99 ship free and if you have any questions about which chimney flue damper is right for you, you can contact our knowledgeable customer service representatives!

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    Chimney Dampers Q&A with the NFI Certified Specialists

    * Please Note: All customer questions are answered by our NFI Certified Specialists free of charge!
    7 Questions & 7 Answers
    Donna L
    from 27403 asked:
    March 18, 2019
    I am looking to replace my fireplace damper. My current damper measures 5 inches wide and most of the ones I have found online are 7 inches. Any suggestions? Can I use a 7 inch one or do I need to keep looking for 5-inch?
    1 Answer
    A 7" damper plate likely wouldn't work because it wouldn't have the properly sized hinges to hang onto your space.
    Submitted by: Brennan W. on March 19, 2019

    Mick S
    from Seattle, WA asked:
    March 12, 2019
    What top chimney dampers will work with the following flue measurement: Outside 17" x 8 5/8" Inside. 15" x 6 5/8"
    1 Answer
    Based on your measurements, I would suggest the Lyemance 8 in. x 17 in. Energy-Saving Damper
    Submitted by: Brennan W. on March 13, 2019

    Bruce
    from Lake Forest, CA asked:
    February 28, 2019
    I have a 10 x 13 inch OD oval shaped flue on my woodburning fireplace chimney. I would like to put a chimney top damper on it to prevent cold air from entering my home. Do you have such a device?
    1 Answer
    With your measurements, I would suggest the Lyemance 12 in. x 16 in. Energy-Saving Damper, which can fit a 10" x 13" flue.
    Submitted by: Brennan W. on March 1, 2019

    Eric H
    from Bozeman, MT asked:
    January 27, 2018
    Are there any electric dampers for gas logs designed with shielded wiring harnesses that can be ran through the chimney pipe instead of trying to feed wire through walls, etc?
    1 Answer
    We are not aware of any product matching this description. If you are installing vented gas logs in a masonry or prefabricated wood burning fireplace, you should remove or affix the damper open and not use any top-sealing damper system of any kind.
    Submitted by: Will M. on January 29, 2018

    Kevin O
    from Chicago IL asked:
    January 1, 2018
    I read that a lock top damper should not be used in gas log fireplaces. Why? Is that a requirement or a recommendation?
    1 Answer
    This is because a damper should never be used with a gas log set, as the house will fill with carbon monoxide if the set is turned on but the damper is accidentally left shut. All vented log sets come with a damper clamp to make sure that any operational damper is left open at all times.
    Submitted by: Brennan W. on January 2, 2018

    Joni
    from kensington, NH asked:
    November 8, 2016
    We have a missing damper plate in our fireplace. The actual opening measures 28 and 13/16" x 5 3/4". I assume we'd need something a bit longer on both measures, right? Do you have a replacement plate that might fit?
    1 Answer
    The Vestal Cast Iron Fireplace Damper Plate - For 36 Inch Dampers measures 7" D x 28 3/8" W, but please note that this product is a replacement damper plate for Vestal dampers and may not fit properly with your damper.
    Submitted by: Will M. on November 8, 2016

    Bill
    from Philadelphia, PA asked:
    August 19, 2014
    How do you determine what size damper you need? Can a novice replace the handle?
    1 Answer
    The damper throat should be sized to the width of the fireplace opening. If the opening is sized between the castings available, it should be sized to the closest casting step. The handle itself is usually simple to replace. Most models simply have a drive pin holding the handle in place, but it differs from design to design.
    Submitted by: eFireplaceStore on August 19, 2014

    Customer Images of Chimney Dampers

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    • https://cdn.practicaldatacore.com/efireplacestore/mod_productReviews/userReviewImages/large-temp548cb20709a77.jpg
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