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Re: Minimum distace of return form furnace
I should have been more patient - while I was posting this Jerry P answered some of this this is another, older, thread where I had tracked my questions on to the end yesterday.
Thanks!
Next, I assume there must be a separate section of of the mechanical code which addresses the "unintentional" creation of "returns" at locations such as air-filter access openings under the rubric of "duct sealing"?
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