Historical
ANSI/APSP/ICC 16-2017
American National Standard for Suction Outlet Fitting Assemblies (SOFA) for Use in Pools, Spas and Hot Tubs
This standard establishes materials, testing, use, installation, and marking requirements for new or replacement bather-accessible Suction Outlet Fitting Assemblies (SOFAs), other than maintenance drains, that are designed to be fully submerged for use in any pool, which include, but are not limited to a swimming pool, hot tub, spa, portable spa, or non-portable wading pool, or other aquatic venue intended for swimming or recreational bathing. The term pool is used throughout this standard as an identifier for these bodies of water.
APSP: Association of pool and spa professionals [apsp]