Kathie
Guest
Oct 13, 2005
5:07 AM
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As near as I can tell the area where I would install the balloon is 30" by 10". Would the 36" by 15" balloon work?
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jasonr
4 posts
Oct 16, 2005
12:19 PM
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A standard large 36"X15" would work just fine for this 30"X10" flue opening. Another option would be to order a 12"X30" Custom Chimney Balloon.
Here is a good rule of thumb on buying a chimney balloon that is bigger than you need:
On any opening smaller than 12"X12" you should order a size no more than 3" larger.
On any opening larger than 12'X12" you should order a size no more than 6" larger.
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Jasonr
Moderator
Last Edited jasonr on 25-Jul-2006 6:59 PM
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Sharon
Guest
Oct 29, 2005
10:04 AM
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We have a coal-burning fireplace that we will never use. The chimney has a smoke shelf and (as far as I can tell) no damper. The chimney measures 14 X 16 just above the smoke shelf. I guess that means we will need to order a custon chimney balloon. How much would that cost and how do we go about doing it?
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jasonr
5 posts
Oct 29, 2005
10:05 PM
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Sharon,
Just to be on the safe side I would go with a 15”X18” custom Chimney Balloon. The pricing is on the Custom Chimney Balloon Page: http://www.chimneyballoon.us/customchimneyballoon.html
FYI, If your smoke shelf is far up your chimney you can also measure the space below the smoke shelf and before the damper if that allows enough space for the balloon. The most important thing is to look for the most convenient space to reach. If the best location is higher than 12 inches past where you can touch with your hand, consider purchasing an HEK Extender with your Chimney Balloon.
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Jasonr
Moderator
Last Edited jasonr on 25-Jul-2006 7:53 PM
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Anonymous
Guest
Mar 21, 2006
7:30 AM
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My chimney opening measures 33" x 6". In one place on your website it says to go with a chimney balloon that measures within 6" in either direction. Therefore, I was going to choose the 30" x 9" balloon. However when I selected that balloon, it said that it would only work on chimneys that were up to 6" smaller (not larger). Please let me know whether this balloon would work and, if not, what I need to order.
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jasonr
15 posts
Mar 26, 2006
7:39 AM
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For a 33X6 opening i would recommend a 33X12 stock Chimney Balloon. You could also go with a 33X9 Custom Chimney Balloon for the same price. The only difference is a custom Chimney Balloon requires a 14 day turnaround before it ships. Either option will work well.
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