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If you work in any industry that involves potable water systems, you understand the importance of ensuring the water is safe for consumption. That’s why the Environmental Protection Agency (EPA) requires a third-party guarantee that any components in contact with the water in these systems will not contaminate public water supplies. The National Sanitation Foundation's NSF/ANSI/CAN 61 certification (moving forward referred to as NSF 61) of these types of components satisfies this EPA requirement, so you can be confident when selecting them for your water systems. As part of our Understanding the Basics series, Ashcroft – a leading manufacturer of pressure and temperature instrumentation used in water/wastewater applications – created this article to address the questions we receive from our customers about NSF-61 and the products we offer that meet this certification. Read on to learn more about NSF 61, the benefits of using NSF 61 certified components and the Ashcroft instruments that bear the NSF 61 stamp of approval. Once you have finished reading, you will be well-versed on the topic and confident about choosing NSF 61-approved products for your water applications.