Questions Concerning Smoke Pipe and Coal Usage

This forum is for common products and questions such as chimney installations, CO detectors, coal bin designs and a variety of other general topics that do not fit into the other forums.
Gary1
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Post Thu. Jan. 23, 2014 1:24 pm

Thanks for the info J F Graham...Gary

Gary1
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Post Thu. Jan. 23, 2014 1:55 pm

Does the code of 18" from the top of the smoke pipe to a combustible still apply if you use a double walled pipe?

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Post Fri. Jan. 24, 2014 8:15 am

Gary1 wrote:Does the code of 18" from the top of the smoke pipe to a combustible still apply if you use a double walled pipe?
It will be reduced to whatever the pipe is rated for. Usually 6" but depends on the pipe. Double wall insulated can be lower.
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Gary1
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Post Fri. Jan. 24, 2014 8:40 am

Thanks Flyer5...Gary

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coalder
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Post Fri. Jan. 24, 2014 9:02 am

google "simpsonduravent", their website will have all the info and specs you need. There are also others, but this should do.
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Gary1
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Post Sat. Jan. 25, 2014 10:01 am

Thank you J F Graham...Gary


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oliver power
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Post Sat. Jan. 25, 2014 11:24 pm

Question: You say your duct work is in the way? I would think that'd be heat shield enough, if it's between pipe, and combustible. Or, fasten the heat shield to the duct work. You're going to spend too much time, and money doing a pipe inside a pipe, or double wall pipe. What about wrapping the pipe in insulation?

Gary1
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Post Sun. Jan. 26, 2014 3:41 pm

Oliver, thanks for your comments. Yes, the ductwork would act as a heat shield, but I'm concerned that 300 degree, or more, heat off the smoke pipe may be too much for the ductwork to handle. It was designed for the heat of an oil furnace. Unfortunately, there's a lolli-column, which I hadn't previously mentioned, which would make installing a heat shield under the ductwork harder. Like you, I thought of just wrapping a single walled pipe with insulation. I could leave a portion of the pipe exposed so that I can monitor its temperature. Also, with a single walled pipe it would probably be easier to install a damper if I need one. Thanks again...Gary

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