This Standard covers materials, components, products, equipment and systems, related to public andresidential recreational water facility operation.
This product replaces:NSF/ANSI 50-2011 Addendum - Addendum: Equipment for Swimming Pools, Spas, Hot Tubs and other Recreational Water Facilities NSF/ANSI 50-2011 - Equipment for Swimming Pools, Spas, Hot Tubs and other Recreational Water Facilities