This Standard establishes general requirements, dimensions and tolerances, materials, installation instructions, testing requirements, and markings and identification for safety vacuum release systems (SVRS) devices.  SVRS devices are intended to be utilized on pool, spa, hot tub, and/or therapy unit suction systems. SVRS devices covered under this Standard are designed to prevent high vacuum occurrences that cause human body or body part suction entrapment.  Demonstration of compliance with this Standard is merely an indication that the product meets the performance requirements and specifications contained in this Standard.  The responsibility for verification of the device's performance on any circulation system shall be the responsibility of the design professional.  The provisions of this Standard are not intended to prevent use of any alternative material or method of construction, provided any such alternative meets the intent and requirements of this Standard.

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