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I have a wood stove that uses 6 "diameter pipe,but my through the roof chimney system accepts 8" pipe. the distance from the stove top to the ceiling box is about 60". I need a fitting for the ceiling opening of 8" and I have an elbow to move the stove a
Posted by Elite Deals - Chris M. on 24 October 2013 03:29 PM

Our Answer:

Many newer stoves are not capable of venting into a chimney system that is larger than their flue outlet. This is simply because new stoves are so efficient that they do not lose the necessary heat into the chimney that is required to maintain proper draft. That being the case, what model stove do you have and how old is it? An older stove would be capable of sending enough heat up the flue to maintain proper draft in a chimney system larger than its flue system. Also, what type of stovepipe do you currently use? Single or double wall? Also, what is the brand of your chimney system?

In Response to Question:

I have a wood stove that uses 6 "diameter pipe,but my through the roof chimney system accepts 8" pipe. the distance from the stove top to the ceiling box is about 60". I need a fitting for the ceiling opening of 8" and I have an elbow to move the stove away from the wall just a bit. Can you give me an idea of what I need for this application? The wall behind the stove has 1" lathe on the wall for an air gap with two 1/2" layers of concrete board and cultured rock on the face for a total thickness of about 2 1/2" inches.

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