This air valve product line is certified to NSF/ANSI Standard 61 for drinking water system components. Val-Matic is the first air valve manufacturer to have a complete line of air valves certified to the standard. Many states have legislation requirements stating that if certified products are available, they must be used in drinking water systems. Underwriters Laboratories provided certification of the Val-Matic product line after completion of all testing and verification of data.
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June 28, 2024