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Posted by Gerry on November 10, 2003 at 17:18:28:
In Reply to: Re: Combustion Air Supply posted by Ed on November 08, 2003 at 12:15:45:
The fire side as well as the water side of the boilers look great. Last year we did have a little sooting in the fire tube, but that was a tune up issue - nothing to do with availability of combustion air. The dormers are pretty big (about 16 sq ft each) and cannot be closed off unless somebody goes up there with a bunch of plywood and boards them up.
Again, the real question is: does retrofitting for combustion air ductwork have to be done since the boilers are fine and it has been that way long before ASME set up the new standard?