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CSA 4.3-2017/ANSI Z21.10.3-2017

Gas Water Heaters – Volume III, Storage Water Heaters, With Input Ratings Above 75,000 Btu Per Hour, Circulating and Instantaneous, Includes Errata No. 1 (April 2019) and Errata No. 2 (August 2019)
standard by CSA Group, 09/01/2017

CSA ANSI Z21.10.3b-2008/CSA 4.3b-2008

Addenda 2 to ANSI Z21.10.3-2004/CSA 4.3-2004, Gas Water Heaters – Volume III, Storage Water Heaters With Input Ratings Above 75,000 Btu Per Hour, Circulating and Instantaneous
Amendment by CSA Group, 06/12/2008