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About This Item

 

Full Description

Details test and examination criteria for unvented heaters for use with natural, manufactured and mixed gases, liquefied petroleum gases, and LP gas-air mixtures. Such heaters are limited to Maximum input ratings of 40,000 Btu per hour.

 

Document History

  1. CSA ANSI Z21.11.2:19


    Gas-fired room heaters, volume II, unvented room heaters

    • Most Recent
  2. CSA ANSI Z21.11.2-2016


    Gas-Fired Room Heaters - Volume II, Unvented Room Heaters

    • Historical Version
  3. CSA ANSI Z21.11.2-2013


    Gas-Fired Room Heaters - Volume II, Unvented Room Heaters

    • Historical Version
  4. CSA ANSI Z21.11.2-2011


    Gas-Fired Room Heaters - Volume II, Unvented Room Heaters

    • Historical Version
  5. CSA ANSI Z21.11.2-2007


    Gas-Fired Room Heaters - Volume II, Unvented Room Heaters

    • Historical Version
  6. CSA ANSI Z21.11.2-2002

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    Gas-Fired Room Heaters - Volume II, Unvented Room Heaters

    • Historical Version
 

Amendments, rulings, supplements, and errata

  1. CSA ANSI Z21.11.2B-2004


    Addenda 2 to ANSI Z21.11.2-2002, Gas-Fired Room Heaters - Volume II, Unvented Room Heaters

  2. CSA ANSI Z21.11.2a-2003


    Addenda 1 to ANSI Z21.11.2-2002, Gas-Fired Room Heaters - Volume II, Unvented Room Heaters