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About This Item

 

Full Description

Details test and examination criteria for automatic storage water heaters with input ratings of 75,000 Btu per hour (21 980 W) or less for use with natural, manufactured and mixed gases, liquefied petroleum gases, and LP gas-air mixtures.
 

Document History

  1. CSA 4.1:19/ANSI Z21.10.1:19


    Gas water heaters, volume I, storage water heaters with input ratings of 75,000 Btu per hour or less, Includes Errata (2020)

    • Most Recent
  2. CSA ANSI Z21.10.1-2017/CSA 4.1-2017


    Gas Water Heaters - Volume 1, Storage Water Heaters With Input Ratings of 75,000 Btu Per Hour or Less

    • Historical Version
  3. CSA ANSI Z21.10.1-2014/CSA 4.1-2014


    Gas Water Heaters - Volume 1, Storage Water Heaters With Input Ratings of 75,000 Btu Per Hour or Less

    • Historical Version
  4. CSA ANSI Z21.10.1-2013/CSA 4.1-2013


    Gas Water Heaters - Volume 1, Storage Water Heaters With Input Ratings of 75,000 Btu Per Hour or Less

    • Historical Version
  5. CSA ANSI Z21.10.1-2009/CSA 4.1-2009


    Gas Water Heaters - Volume 1, Storage Water Heaters With Input Ratings of 75,000 Btu Per Hour or Less

    • Historical Version
  6. CSA ANSI Z21.10.1-2004/CSA 4.1-2004


    Gas Water Heaters - Volume 1, Storage Water Heaters With Input Ratings of 75,000 Btu Per Hour or Less

    • Historical Version
  7. CSA ANSI Z21.10.1-2001/4.1-2001

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    Gas Water Heaters - Volume I, Storage Water Heaters With Input Ratings Below 75,000 Btu Per Hour

    • Historical Version
  8. CSA ANSI Z21.10.1-1998/4.1-M98


    Gas Water Heaters - Volume I, Storage Water Heaters With Input Ratings of 75,000 Btu Per Hour or Less

    • Historical Version
 

Amendments, rulings, supplements, and errata

  1. CSA ANSI Z21.10.1A-2002/CSA 4.1A-2002


    Addenda 1 to ANSI Z21.10.1-2001/CSA 4.1-2001, Gas Water Heaters - Volume 1, Storage Water Heaters With Input Ratings of 75,000 Btu Per Hour or Less