UL-641 › Standard for Type L Low-Temperature Venting Systems

UL-641 - 8TH EDITION - CURRENT
Show Complete Document History

Included in this current edition are the following subparts:

 8TH EDITION - Dec. 13, 2010
 CHANGE 06/13 - June 12, 2013
 CHANGE 12/17 - Dec. 12, 2017
 CHANGE 04/18 - April 23, 2018
 CHANGE 10/22 - Oct. 20, 2022


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Document Number

UL-641

Revision Level

8TH EDITION

Status

Current

Publication Date

Dec. 13, 2010

Page Count

40 pages