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NSF/ANSI 44-2021

Residential Cation Exchange Water Softeners

standard by NSF/ANSI, 2022

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About This Item

 

Full Description

The manual, auto-initiated, and demand-initiated regeneration (DIR) residential cation exchange water softeners addressed by this Standard are designed for the reduction of specific substances that may be present in drinking water (public or private) considered to be microbiologically safe and of known quality. Systems covered under this standard are intended to reduce hardness affecting the aesthetic quality of water. The established health hazards, barium and radium, are optional performance claims addressed by this Standard. Systems with manufacturer claims that include components or functions covered under other NSF or NSF/ANSI Standards or Criteria shall conform to the applicable requirements therein. Systems covered by this Standard are not intended to be used with drinking water that is microbiologically unsafe or of unknown quality without adequate disinfection before or after the system.

 

Product Details

Published:
2022
ANSI:
ANSI Approved
Number of Pages:
68
File Size:
1 file , 1.3 MB
Note:
This product is unavailable in Ukraine, Belarus, Russia
 

Document History

  1. NSF/ANSI 44-2021

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    Residential Cation Exchange Water Softeners

    • Most Recent

  2. NSF/ANSI 44-2018


    Residential Cation Exchange Water Softeners

    • Historical Version

  3. NSF 44-2017


    Residential Cation Exchange Water Softeners

    • Historical Version

  4. NSF 44-2016


    Residential Cation Exchange Water Softeners

    • Historical Version

  5. NSF 44-2015


    Residential Cation Exchange Water Softeners

    • Historical Version

  6. NSF 44-2014


    Residential Cation Exchange Water Softeners

    • Historical Version

  7. NSF 44-2013


    Residential Cation Exchange Water Softeners

    • Historical Version

  8. NSF 44-2012


    Residential Cation Exchange Water Softeners

    • Historical Version

  9. NSF 44-2009


    Residential Cation Exchange Water Softeners

    • Historical Version

  10. NSF 44-2007


    Residential Cation Exchange Water Softeners

    • Historical Version

  11. NSF 44-2004


    Residential Cation Exchange Water Softeners

    • Historical Version

  12. NSF 44-2002e


    Residential Cation Exchange Water Softeners

    • Historical Version

  13. NSF 44-2002


    Residential Cation Exchange Water Softeners

    • Historical Version

  14. NSF 44-2001


    Residential Cation Exchange Water Softeners

    • Historical Version