- Circulation System Components and Related Materials for Swimming Pools, Spas/Hot Tubs
- standard by NSF International, 05/10/2000
- Category: NSF
Scope: 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 applica-tions. 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.