Section 27-855. Factory-built chimneys and gas vents

Latest version.

(a) Factory-built
  chimneys. Factory-built chimneys and chimney units shall be  listed  and
  accepted  in accordance with the applicable reference standard and shall
  be installed in accordance with the temperature  conditions  and  height
  limitations   of   the   listing   and  acceptance,  the  manufacturer's
  instructions or this article, whichever is the  most  restrictive.  Flue
  gas  temperatures  in  the  chimney  shall  not  exceed  the  limits and
  durations employed during listing tests and as required by this code.
    (b) Gas vents. Type B and Type  BW  gas  vents  shall  be  listed  and
  accepted  in  accordance  with  the  conditions  of  the  acceptance and
  applicable provisions of this code.

                    
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