UL-1738 › Standard for Venting Systems for Gas-Burning Appliances, Categories II, III, and IV
Included in this current edition are the following subparts:
CHANGE 05/11 - May 13, 2011
CHANGE 05/14 - May 13, 2014
CHANGE 07/14 - July 21, 2014
CHANGE 11/14 - Nov. 7, 2014
CHANGE 02/20 - Feb. 6, 2020
CHANGE 03/21 - March 25, 2021
CHANGE 08/21 - Aug. 26, 2021
4TH EDITION - Sept. 21, 2023
CHANGE 05/14 - May 13, 2014
CHANGE 07/14 - July 21, 2014
CHANGE 11/14 - Nov. 7, 2014
CHANGE 02/20 - Feb. 6, 2020
CHANGE 03/21 - March 25, 2021
CHANGE 08/21 - Aug. 26, 2021
4TH EDITION - Sept. 21, 2023
Document Number
UL-1738
Revision Level
CHANGE 05/11
Status
Current
Publication Date
May 13, 2011