UL-441 › Standard for Gas Vents

UL-441 - 11TH EDITION - CURRENT
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Included in this current edition are the following subparts:

 11TH EDITION - April 8, 2016
 CHANGE 07/16 - July 27, 2016
 CHANGE 08/19 - Aug. 28, 2019
 CHANGE 04/24 - April 2, 2024


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Document Number

UL-441

Revision Level

11TH EDITION

Status

Current

Publication Date

April 8, 2016