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About This Item

 

Full Description

The purpose of this Standard is to establish minimum requirements for materials, design and construction, and performance of residential cation exchange water softeners. This Standard also specifies the minimum product literature that manufacturers shall supply to authorized representatives and owners, as well as the minimum service-related obligations that manufacturers shall extend to owners.
 

Document History

  1. NSF/ANSI 44-2022


    Residential Cation Exchange Water Softeners

    • Most Recent
  2. NSF/ANSI 44-2021


    Residential Cation Exchange Water Softeners

    • Historical Version
  3. NSF/ANSI 44-2018


    Residential Cation Exchange Water Softeners

    • Historical Version
  4. NSF 44-2017


    Residential Cation Exchange Water Softeners

    • Historical Version
  5. NSF 44-2016


    Residential Cation Exchange Water Softeners

    • Historical Version
  6. NSF 44-2015


    Residential Cation Exchange Water Softeners

    • Historical Version
  7. NSF 44-2014


    Residential Cation Exchange Water Softeners

    • Historical Version
  8. NSF 44-2013


    Residential Cation Exchange Water Softeners

    • Historical Version
  9. NSF 44-2012


    Residential Cation Exchange Water Softeners

    • Historical Version
  10. NSF 44-2009

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    viewing


    Residential Cation Exchange Water Softeners

    • Historical Version
  11. NSF 44-2007


    Residential Cation Exchange Water Softeners

    • Historical Version
  12. NSF 44-2004


    Residential Cation Exchange Water Softeners

    • Historical Version
  13. NSF 44-2002e


    Residential Cation Exchange Water Softeners

    • Historical Version
  14. NSF 44-2002


    Residential Cation Exchange Water Softeners

    • Historical Version
  15. NSF 44-2001


    Residential Cation Exchange Water Softeners

    • Historical Version