NSF 50-2005 Addendum 1.0
- Addendum 1: Circulation System Components and Related Materials for Swimming Pools, Spas/Hot Tubs
- Amendment by NSF International, 12/22/2006
- Category: NSF
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This Standard covers circulation system components, treatment devices, and related materials. The components, treatment devices, and related materials are intended to be used specifically for swimming pool, spa/hot tub water circulation and treatment in public and residential applications. No attempt has been made to incorporate safety provisions. This Standard is not intended to cover components intended to treat water exceeding a total dissolved solids concentration of 3000 ppm.
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