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Posted by Michael on December 15, 2004 at 09:50:44:
I have a 466e and a riello gun and the air tube is getting very hot when it is running.Yes the air tube is set back 1/4 inch from the insulation, but there seems to be a gap in the insulation around the circumfrence of the tube in the fire box. Stack temp 520 degf uncorrected Co 12% smoke 0 Is the air tube normally hot??