So I am redoing my M55 FS install which was done badly by the installers last year, using Duravent Pellet Pro. Here are some pictures so far:
anyway, as you can see it is not pretty. I disconnected the flange and noticed the fiber gasket compressed on one side and the other side thicker with soot marks, making me think some leaking there.
anyway, as you can see it is not pretty. I disconnected the flange and noticed the fiber gasket compressed on one side and the other side thicker with soot marks, making me think some leaking there.