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NSF 44-2009

NSF 44-2009 Historical

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Residential Cation Exchange Water Softeners

standard by NSF , 08/27/2009

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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.

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Document History

NSF/ANSI 44-2024

August 2024
Residential Cation Exchange Water Softeners
- Most Recent
NSF/ANSI 44-2022

May 2023
Residential Cation Exchange Water Softeners
- Historical Version
NSF/ANSI 44-2021

February 2022
Residential Cation Exchange Water Softeners
- Historical Version
NSF/ANSI 44-2018

January 2018
Residential Cation Exchange Water Softeners
- Historical Version
NSF 44-2017

June 2017
Residential Cation Exchange Water Softeners
- Historical Version
NSF 44-2016

July 2016
Residential Cation Exchange Water Softeners
- Historical Version
NSF 44-2015

October 2015
Residential Cation Exchange Water Softeners
- Historical Version
NSF 44-2014

October 2014
Residential Cation Exchange Water Softeners
- Historical Version
NSF 44-2013

June 2013
Residential Cation Exchange Water Softeners
- Historical Version
NSF 44-2012

February 2012
Residential Cation Exchange Water Softeners
- Historical Version
NSF 44-2009

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August 2009
Residential Cation Exchange Water Softeners
- Historical Version
NSF 44-2007

October 2007
Residential Cation Exchange Water Softeners
- Historical Version
NSF 44-2004

June 2004
Residential Cation Exchange Water Softeners
- Historical Version
NSF 44-2002e

March 2004
Residential Cation Exchange Water Softeners
- Historical Version
NSF 44-2002

February 2002
Residential Cation Exchange Water Softeners
- Historical Version
NSF 44-2001

January 2001
Residential Cation Exchange Water Softeners
- Historical Version

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Edition:

11th

Published:

08/27/2009

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ANSI Approved

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1 file , 980 KB

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NSF 44-2009 Historical

Residential Cation Exchange Water Softeners

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NSF/ANSI 44-2024

NSF/ANSI 44-2022

NSF/ANSI 44-2021

NSF/ANSI 44-2018

NSF 44-2017

NSF 44-2016

NSF 44-2015

NSF 44-2014

NSF 44-2013

NSF 44-2012

NSF 44-2009

NSF 44-2007

NSF 44-2004

NSF 44-2002e

NSF 44-2002

NSF 44-2001

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NSF 44-2009 Historical