本标准涵盖了循环系统的设计和性能标准，包括安装在住宅和公共游泳池、涉水池、水疗中心、热水浴缸和集水池中的部件、装置和相关技术，以防止陷入危险。本标准适用于新装置，以及改装时的现有装置。例外情况:商业水上公园及其相关吸入系统不在本标准范围内。

This standard covers design and performance criteria for circulation systems including components, devices, and related technology installed to protect against entrapment hazards in residential and public swimming pools, wading pools, spas, hot tubs, and catch basins. This standard applies to new and, when retrofitting, existing installations. Exception: Commercial water parks and their associated suction systems are outside the scope of this standard.