Historical
NSF/ANSI 50-2008
Equipment for swimming pools, spas, hot tubs and other recreational water facilitieis
In this edition of NSF/ANSI 50 the following revisions were incorporated:
The definition of a self-prime pump was updated to a minimum of 5 feet of vertical lift or the manufacturer’s specified vertical lift, whichever is greater. Additionally, the maximum vertical lift height must be specified on the data plate.
Safety Vacuum Release Systems (SVRS) requirements for the evaluation and testing were added.
Incorporated requirements for skimmer testing, including UV exposure, point load and deflection testing for skimmer lids; and requirements for water levels and flow rates.
The normative references were updated.
The name and scope of the standard were updated to reflect recreational water facility operation which includes spas, pools, and hot tubs.
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