UL-1812 › Standard for Ducted Heat Recovery Ventilators
Included in this current edition are the following subparts:
4TH EDITION - May 3, 2013
CHANGE 04/14 - April 17, 2014
CHANGE 06/17 - June 21, 2017
CHANGE 04/21 - April 13, 2021
CHANGE 04/14 - April 17, 2014
CHANGE 06/17 - June 21, 2017
CHANGE 04/21 - April 13, 2021
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Document Number
UL-1812
Revision Level
4TH EDITION
Status
Current
Publication Date
May 3, 2013
Page Count
130 pages