UL-1738 › Complete Document History
Standard for Venting Systems for Gas-Burning Appliances, Categories II, III, and IV
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CHANGE 05/11 - REVISION CHANGE - CODE B - May 13, 2011
CHANGE 05/14 - REVISION CHANGE - CODE B - May 13, 2014
CHANGE 07/14 - REVISION CHANGE - CODE B - July 21, 2014
CHANGE 11/14 - REVISION CHANGE - CODE B - Nov. 7, 2014
CHANGE 02/20 - REVISION CHANGE - CODE B - Feb. 6, 2020
CHANGE 03/21 - REVISION CHANGE - CODE B - March 25, 2021
CHANGE 08/21 - REVISION CHANGE - CODE B - Aug. 26, 2021
4TH EDITION - Venting Systems for Gas-Burning Appliances, Categories II, I - Sept. 21, 2023
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Obsolete Revision Information: |
3RD EDITION - Venting Systems for Gas-Burning Appliances, Categories II, I - Oct. 4, 2010
CHANGE 10/06 - REVISION CHANGE - CODE -A - Oct. 4, 2006
2ND EDITION - Venting Systems for Gas-Burning Appliances, Categories II, I - Dec. 15, 1993
1990 EDITION - Venting Systems for Gas-Burning Appliances, Categories II, I - Nov. 13, 1990
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