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Old 10-04-2010, 08:38 PM   #1
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wood to oil

I am taking out my oil furnace and switching to wood. Can I pipe my wood stove into the chimney that was used for the oil furnace?? The chimney is made of concrete block.
Thank you


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Old 10-05-2010, 05:44 AM   #2
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Currently it is not to code to share a chimney between oil & wood stoves. Tho there is not a big chance of problem.
It has been totally illegal to place gas & wood appliances on the same chimney. Real potential for a problem there.
I'd think long & hard on this one before trying it....


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Old 10-05-2010, 07:01 AM   #3
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Even if code allowed I am not sure there would be enough room for the 6" chimney pipe liner.

Regardless, unless you want to be a slave to that wood stove I would suggested leaving your oil heat as backup. Do you really want to worry about being home to stoke the stove or else your house will freeze? What if a family emergency happened?
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Old 10-05-2010, 07:33 AM   #4
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I have an oil fired boiler and a wood stove that share the same chimney. This is to code, was done with a permit, and was inspected by the local code administrator. The two devices do NOT share the same flue, my chimney has two flues. The flue for the stove had to be lined with a stainless steel liner (six inch diameter) prior to using it for the wood stove, curiously it was formerly used by the fireplace, and apparently code did not require that the flue be stainless lined for use as a fireplace.

I agree that keeping the oil fired furnace as backup is a good idea. Even though we heat primarily with wood, we still use the oil fired furnace to make hot water, and as backup heat in the winter.
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