I recently had a woodstove installed.The flue exits through the wall to an outside prefab. It is a corner install, but the flue exits off to the side and not straight out the back. This means that I will have 2 elbows in my flue which will affect the draw. I had it looked at by a WETT professional and he suggested an adjustable elbow right off the stove top and another one at the wall. My contractor did it this way but he used single walled adjustable elbows with a double walled flue pipe in between. The joins were not pretty given it was a single to double connection. There were gaps on the outside, not sure how the inside looked.
From what I have read so far, the small gaps at the joins are not serious as long as the chimney is functioning correctly. During the first night that we had the wood stove going i woke up to the smell of smoke. When opening the door to re-stoke I would do it slowly but always seemed to get some smoke in the room and opening a window did not make a noticeable difference. I have not burned the fire since and have realized that I have a negative pressure problem. This will interfere with my draw as well. So I have 2 problems affecting draw, negative pressure and the 2 elbows.
My questions are:
1) should I have angled straight off the top of the stove with an elbow as the tech. suggested or should I rise the 36" then angle toward the chimney and end with another elbow?
2) the technician suggested that I could replace the singel walled adjustable elbows with double walled adjustable elbows. I did not think it would be possible for such a thing to exist, but he insisted there is. I have not been able to find one online, so maybe the joke is on me.
3) What do I do with the negative pressure issue? I appear to have adequate clearance above the roof line, my neighbours house is higher but a good 20' away.
Its pretty frustrating to say the least. Any suggestions would be greatly appreciated.
From what I have read so far, the small gaps at the joins are not serious as long as the chimney is functioning correctly. During the first night that we had the wood stove going i woke up to the smell of smoke. When opening the door to re-stoke I would do it slowly but always seemed to get some smoke in the room and opening a window did not make a noticeable difference. I have not burned the fire since and have realized that I have a negative pressure problem. This will interfere with my draw as well. So I have 2 problems affecting draw, negative pressure and the 2 elbows.
My questions are:
1) should I have angled straight off the top of the stove with an elbow as the tech. suggested or should I rise the 36" then angle toward the chimney and end with another elbow?
2) the technician suggested that I could replace the singel walled adjustable elbows with double walled adjustable elbows. I did not think it would be possible for such a thing to exist, but he insisted there is. I have not been able to find one online, so maybe the joke is on me.
3) What do I do with the negative pressure issue? I appear to have adequate clearance above the roof line, my neighbours house is higher but a good 20' away.
Its pretty frustrating to say the least. Any suggestions would be greatly appreciated.