NSF 44-2002e
- Residential Cation Exchange Water Softeners
- standard by NSF International, 03/08/2004
- Category: NSF
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This document contains exactly the same information as ANSI/NSF 44 - 2002 and one addendum from 2002, but it has been reformatted per NSF's lab personnel to make it more user friendly. If you have these two documents, there is no need to purchase this document unless you want the user-friendly version.
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 or NSF/ANSI Standards or Criteria shall comply with those applicable requirements.
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 or NSF/ANSI Standards or Criteria shall comply with those applicable requirements.
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