UL-1815 › Complete Document History
Standard for Nonducted Heat Recovery Ventilators
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5TH EDITION - Standard for Nonducted Heat Recovery Ventilators - Feb. 29, 2012
CHANGE 04/14 - REVISION CHANGE - CODE B - April 17, 2014
CHANGE 06/17 - REVISION CHANGE - CODE B - June 6, 2017
CHANGE 07/18 - REVISION CHANGE - CODE B - July 19, 2018
CHANGE 04/21 - REVISION CHANGE - CODE B - April 21, 2021
CHANGE 12/21 - REVISION CHANGE - CODE B - Dec. 7, 2021
CHANGE 01/24 - REVISION CHANGE - CODE B - Jan. 5, 2024
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Obsolete Revision Information: |
CHANGE 11/10 - REVISION CHANGE - CODE B - Nov. 12, 2010
4TH EDITION - NONDUCTED HEAT RECOVERY VENTILATORS - Oct. 30, 2009
CHANGE 01/06 - REVISION CHANGE - CODE B - Jan. 11, 2006
3RD EDITION - NONDUCTED HEAT RECOVERY VENTIL - Nov. 28, 2001
2ND EDITION - NONDUCTED HEAT RECOVERY VENTIL - Jan. 1, 1995
1990 EDITION - NONDUCTED HEAT RECOVERY VENTIL - Jan. 1, 1990
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