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Full Description

Scope This standard applies to newly produced pool heaters for heating non-potable water stored at atmospheric pressure, such as water in swimming pools, spas, hot tubs and s
 

Document History

  1. CSA 4.7:19/ANSI Z21.56:19


    Gas-Fired Pool Heaters

    • Most Recent
  2. CSA ANSI Z21.56-2017/CSA 4.7-2017


    Gas-Fired Pool Heaters

    • Historical Version
  3. CSA ANSI Z21.56-2014/CSA 4.7-2014


    Gas-Fired Pool Heaters

    • Historical Version
  4. CSA ANSI Z21.56-2013/CSA 4.7-2013


    Gas-Fired Pool Heaters

    • Historical Version
  5. CSA ANSI Z21.56-2006/CSA 4.7-2006


    Gas-Fired Pool Heaters (Includes Errata 2008)

    • Historical Version
  6. CSA ANSI Z21.56-2001/CSA 4.7-2001


    Gas-Fired Pool Heaters

    • Historical Version
  7. CSA ANSI Z21.56B-2000/4.7B-2000


    Addenda 2 to ANSI Z21.56-1998/CSA 4.7-M98 and ANSI Z21.56A-2000/CSA 4.7A-M00, Gas-Fired Pool Heaters

    • Historical Version
  8. CSA ANSI Z21.56A-2000/4.7A-M00

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    Addenda 1 to ANSI Z21.56-1998/CSA 4.7-M98, Gas-Fired Pool Heaters

    • Historical Version