UL-391 › Standard for Solid-Fuel and Combination-Fuel Central and Supplementary Furnaces

UL-391 - 5TH EDITION - CURRENT
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Included in this current edition are the following subparts:

 5TH EDITION - Sept. 10, 2010
 CHANGE 09/13 - Sept. 17, 2013
 CHANGE 06/14 - June 12, 2014
 CHANGE 08/19 - Aug. 28, 2019


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Document Number

UL-391

Revision Level

5TH EDITION

Status

Current

Publication Date

Sept. 10, 2010

Page Count

102 pages