IAPMO USPSHTC 1 – 2012 Uniform Swimming Pools, Spa, and Hot Tub Code The Uniform Swimming Pool Spa and Hot Tub Code is the only model code governing the installation, inspection and maintenance of swimming pool, spa and hot tub systems and their component products. This is an ANSI designated American National Standard consensus document written by representatives from industry companies, inspectors, plumbers and engineers.
