1.1 This specification establishes requirements for safety vacuum release systems (SVRS) for use on swimming pools, spas, hot tubs, and wading pools.

1.2 This specification is intended to reduce the risk of drowning or entrapment by providing a rapid detection and rapid release of vacuum or preventing a dangerous vacuum altogether when a person becomes entrapped at the suction outlet serving a pumping system.

1.3 The values stated in customary English units are to be regarded as the standard. Any values in parentheses are given for information only.

1.4 The following safety hazards caveat pertains only to the test methods section, Section 5, of this specification. This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.