NSF/ANSI 44:2021
Superseded
View Superseded by
Residential Cation Exchange Water Softeners
English
02-01-2022
06-14-2023
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.
| DocumentType |
Revision
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| Pages |
68
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| ProductNote |
This standard also refers to 21 CFR Part 170-199, 40 CFR Part 141, 40 CFR Part 143, US EPA-600/4-79-020, US EPA-600/4-88-039, US EPA-600/4-90-020, US EPA-600/R-92-129, US EPA-600/R-94-111, US EPA-600/R-95-131 This product is unavailable in Ukraine, Belarus, Russia
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| PublisherName |
NSF International
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| Status |
Superseded
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| SupersededBy | |
| Supersedes |
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