Section 16.02.14.252 - RECIRCULATION SYSTEM: CLEANING01.Cleaning System. A cleaning system must be provided to remove dirt from the bottom of the pool.02.Integral Vacuum. When a vacuum is used as an integral part of the recirculation system:a. Connections must be located in the walls of the pool, at least eight (8) inches below waterline, and at such point the floor of pool can be cleaned; andb. The vacuum system must also be designed to preclude any possible entrapment.Idaho Admin. Code r. 16.02.14.252