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Old 02-12-2011, 06:23 PM   #1
CDH
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wood stove stopped drawing


I hope this is in the right spot if not will someone please move it, anyhow my woodstove has worked flawlessly for about 8 years and all of a sudden it has quit drawing I took the cap off today and cleaned the 6" stainless steel flue that runs inside of the 8" flue this is actually an insert inside of a fireplace anyway the only thing I can think might be the problem is the insulation that I put around the 6" to make it tight between it and the 8" is not as tight as it used to be, I payed 2 prices for this insulation 8 years ago from a woodstove store as it was supposed to be fireproof insulation my question is could I just use regular fiberglass batt insulation with the paper torn off of course or should I go back and buy more of the supposed fireproof insulation? Or any other ideas as to why this stove just quit drawing, all help appreciated.

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Old 02-12-2011, 07:31 PM   #2
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wood stove stopped drawing


I am not an expert....and I dont know if Im understanding you correctly...but have you checked the top of the flue? Could be leaves or a something blocking it. Air in means air must go out too.

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Old 02-12-2011, 07:53 PM   #3
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I am not an expert....and I dont know if Im understanding you correctly...but have you checked the top of the flue? Could be leaves or a something blocking it. Air in means air must go out too.
I took the cap off and ran a brush up and down the flue cleaning it out today so there is definately nothing blocking the air flow at the top.
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Old 02-12-2011, 08:40 PM   #4
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wood stove stopped drawing


stack isn't tall enough , too small or neg. pressure is keeping it from drawing
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Old 02-12-2011, 09:17 PM   #5
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wood stove stopped drawing


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stack isn't tall enough , too small or neg. pressure is keeping it from drawing
It's definately tall enough and the 6" is big enough as it has worked great for 8 years, can you explain to me about the negative pressure.
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Old 02-12-2011, 09:35 PM   #6
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wood stove stopped drawing


example of neg. pressure would an exhaust fan. When on it would pull against the chimney
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Old 02-12-2011, 10:14 PM   #7
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wood stove stopped drawing


Have you sealed up anything on the house to make it tighter? It sounds like something has changed and is causing a negitive pressure in the house.
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Old 02-13-2011, 06:06 AM   #8
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wood stove stopped drawing


Try building a small fire while the doors or windows are open---If it draws fine with a window open,then you will know that you have a negative pressure situation---come back if this works--Mike---
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Old 02-13-2011, 06:09 AM   #9
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wood stove stopped drawing


You did check and make sure the flue damper at the stove isn't broken? Mine fails about every 5-6 years.
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Old 02-13-2011, 06:56 AM   #10
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You did check and make sure the flue damper at the stove isn't broken? Mine fails about every 5-6 years.
And don't forget to clean the stove. Its passages could be clogged.
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Old 02-13-2011, 01:07 PM   #11
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wood stove stopped drawing


Problem resolved I was right originally in the fact that the stove and stove pipe were dirty and needed a good cleaning, after putting the firebricks and baffle back in the stove it still was'nt drawing so I went back to square one and after much head scratching I realized I put the baffle in the stove upside down, took it back apart and put it in the right way and it is back drawing like a champ. Thank's guys for all the responces I really appreciate it.

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