NSF 61 / ANSI 61 is a set of standards established by the National Sanitation Foundation (NSF) that regulates the safety and quality of products that come into contact with drinking water. In this blog, we will explore what NSF 61 is, why it is important, and what it means for products that are used in drinking water systems.
What is NSF 61?
NSF 61 is a set of standards that specifies the requirements for materials and products that are used in drinking water systems. The standards were developed by the NSF, a non-profit organization that provides independent testing, inspection, and certification services for public health and safety.
To meet NSF 61 standards, products must undergo rigorous testing and evaluation to ensure that they do not leach harmful contaminants into drinking water. The NSF 61 standards cover a wide range of products, including the following:
Joining and sealing materials (gaskets, O-rings, adhesives, lubricants)
Protective barrier materials (cements, paints, coatings)
Mechanical devices, including treatment products (water meters, valves, filters)
Pipes and related products (pipes, hoses, fittings)
Plumbing devices (faucets, drinking fountains)
Process media (filter media, ion exchange resins)
Nonmetallic potable water materials
Why is NSF 61 important?
NSF 61 is important because it helps to ensure the safety and quality of drinking water. Products that are used in drinking water systems can potentially leach contaminants into the water, which can be harmful to human health. NSF 61 standards help to ensure that these products do not pose a risk to public health.
In addition, compliance with NSF 61 standards is often a requirement for regulatory approval of products that are used in drinking water systems. This means that manufacturers must be able to demonstrate that their products have been tested and certified as compliant with NSF 61 standards before they can be used in drinking water systems.
What does NSF 61 mean for products used in drinking water systems?
For products used in drinking water systems, compliance with NSF 61 standards is essential. Products that are intended for use in drinking water systems must be tested and certified as NSF 61 compliant before they can be used. This certification ensures that the product is safe and does not pose a risk to public health.
In addition, manufacturers of products used in drinking water systems must be able to demonstrate that their products are NSF 61 compliant. This means that they must be able to provide documentation and test results that prove the product has been tested and certified as compliant.
NSF 61 is a set of standards that regulates the safety and quality of products that are used in drinking water systems. Compliance with these standards is essential to ensure the safety of public drinking water. If you are developing products that are used in drinking water systems, it is important to ensure that they are NSF 61 compliant and that you can provide the necessary documentation to prove compliance.
Where can I get NSF 61 certified parts?
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 Nsf. (2023). NSF/ANSI 61: Drinking Water System components – Health effects. In NSF. https://www.nsf.org/knowledge-library/nsf-ansi-standard-61-drinking-water-system-components-health-effects
 Kelechava, B. (2023, October 20). NSF/ANSI 61-2022: Drinking Water System Components – Health Effects. The ANSI Blog. https://blog.ansi.org/nsf-ansi-61-2022-drinking-water-system-components/