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Round Stainless Steel Insert Boot

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Round Stainless Steel Insert Boot

A round stainless steel insert boot is designed to make the connection from an insert between a square or rectangle flue outlet and a round chimney liner.  Many old style fireplace inserts have a rectangle flue outlet.  This is because at one time they believed it to be OK just to set the stove inside the fireplace and call it good.  This is no longer the case.  Now we know of the dangers caused by this type of install.

What size Insert Boot do I need?

Every stove needs a proper size chimney liner for proper draft.  The square inches of the outlet on the stove needs to be as close as possible to the amount of square inches of the chimney liner.  First, you measure the length and the width of the flue outlet on the stove (as seen in pic).  Once you have your total square inches, you now know what size of insert boot you need.  insert boot

Insert Boot Measurements

A round chimney liner is designed to be mechanically mounted to the insert boot.  The insert boot will also need to be screwed to the top of the insert.  You need to install an insert boot that will accept a chimney liner that can handle the same amount of square inches as the outlet on the stove.  This means for example, if your measurements are 4″ x 9.5″, your total square inches are 38″.  Now it is as simple as finding a chimney liner that will handle 38″ square inches.

 

In conclusion, you will simply use the above chart to discover what size chimney liner you need and what size round insert boot you may need also.  One possibility that you may encounter is, on some stoves, the flue outlet is extra large.  The average insert boot may not cover the flue outlet.  Do not worry.  Give us a call and we can make one to any size you need.   If you are still confused or have other questions about purchasing and installing a chimney liner and an insert boot, please contact us 1-866-941-5112 or visit us on Facebook.

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May 4, 2013 admin No Comments

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    *Note: If you have a terra cotta clay chimney
    flue lining, be sure to measure the true length and width of the
    inside of your chimney flue space.

    *If there is a terra cotta clay flue liner, does it protrude out of
    the top of the chimney at least 2 inches? If there are at least 2
    inches and the terra cotta clay is in good condition, you will use
    our stainless steel, terra cotta top plate that has a 1 1⁄2inch edge
    that goes all the way around (like a shoebox lid).

    *If your terra cotta clay flue is in bad shape at the top, you may
    need to just take a hammer and tap all around that terra cotta,
    taking it away to make the surface flat at the top of your chimney.
    In that case, you will simply use the flat top plate that comes with
    our liner kit.



    *Note: If you have a terra cotta clay chimney
    flue lining, be sure to measure the true length and width of the
    inside of your chimney flue space.

    *If it is on the back of the stove, is it parallel with the back of the stove or is it at an angle, like 45 degrees?

    *If it is at an angle you will use an insert stove adaptor (an insert liner kit) rather than a two-part tee with cleanout cap.


    Usually pellet stoves have an exhaust hole id of 3 inches. However, if you are going up more than 15 feet to the top of your chimney you need to use a pipe and/or flex liner that is 4 inches diameter.





    If you are only venting a hot water heater then the exhaust hole diameter is probably 3 inch diameter. If it is 3 inch diameter and you are going up more than 15 feet to the top of your chimney, you must use a 4 inch diameter flexible liner or ridged pipe for proper draft. We also suggest to go ahead and use a 4 inch diameter flexible liner or ridged pipe even if the total length is 15 feet or less.


    Not the depth or any other dimension inside your fireplace.

    Most gas log fireplaces require an 8 inch liner kit or rigid kit. But do not assume that is the case for the gas log fireplace kit you are installing. Obey the requirements for that specific unit that are in your installation/instruction manual.

    THANK YOU FOR ANSWERING THOSE QUESTIONS

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