ANSI/NSPI-3 Standard for Permanently Installed Residential Spas 2014

The **ANSI/NSPI-3 Standard for Permanently Installed Residential Spas (2014)** establishes guidelines for the design, manufacturing, and installation of permanently installed residential spas. Developed by the Association of Pool & Spa Professionals (APSP), this standard addresses critical aspects such as structural integrity, plumbing, electrical systems, and safety features to ensure the safe and reliable operation of residential spas. It serves as a reference for manufacturers, builders, and inspectors to promote consistency and compliance with industry best practices.