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About This Item
Full Description
Purpose: It is the purpose of this Standard 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.
Scope: The manual, autoinitiated, and demand initiated regeneration residential cation exchange water softeners addressed by this Standard are designed to be used for the removal of hardness and the reduction of specific contaminants from drinking water supplies (public or private) considered to be microbiologically safe and of known quality. Systems with components or functions covered under other NSF, ANSI/NSF Standards or criteria shall comply with those applicable requirements.
Document History
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NSF/ANSI 44-2024
Residential Cation Exchange Water Softeners- Most Recent
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NSF/ANSI 44-2022
Residential Cation Exchange Water Softeners- Historical Version
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NSF/ANSI 44-2021
Residential Cation Exchange Water Softeners- Historical Version
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NSF/ANSI 44-2018
Residential Cation Exchange Water Softeners- Historical Version
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NSF 44-2017
Residential Cation Exchange Water Softeners- Historical Version
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NSF 44-2016
Residential Cation Exchange Water Softeners- Historical Version
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NSF 44-2015
Residential Cation Exchange Water Softeners- Historical Version
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NSF 44-2014
Residential Cation Exchange Water Softeners- Historical Version
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NSF 44-2013
Residential Cation Exchange Water Softeners- Historical Version
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NSF 44-2012
Residential Cation Exchange Water Softeners- Historical Version
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NSF 44-2009
Residential Cation Exchange Water Softeners- Historical Version
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NSF 44-2007
Residential Cation Exchange Water Softeners- Historical Version
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NSF 44-2004
Residential Cation Exchange Water Softeners- Historical Version
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NSF 44-2002e
Residential Cation Exchange Water Softeners- Historical Version
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NSF 44-2002
Residential Cation Exchange Water Softeners- Historical Version
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NSF 44-2001
viewing
Residential Cation Exchange Water Softeners- Historical Version