According to the Uniform Swimming Pool, Spa, and Hot Tub Code, a swimmming pool filter waste discharge pipe empties into the public sewer through a “P”-trap. The connection between the discharge pipe andthe “P”-trap must be by means of a ____.

According to the Uniform Swimming Pool, Spa, and Hot Tub Code, a swimmming pool filter waste discharge pipe empties into the public sewer through a “P”-trap. The connection between the discharge pipe andthe “P”-trap must be by means of a ____.