Water heater connector. Braided stainless steel wrapped around reinforced braided PVC with brass hex connector nuts. Approved for residential, commercial, and industrial applications for water supply connections to fixtures. Core is VirginPVC with polyester yarn braiding over-braided with stainless steel 304 for strength and durability. Chrome-plated brassnuts and washers for a dependable hand-tight seal. Max Temp: 180 F (degrees Fahrenheit); Max Pressure: 125 psi (pounds per square inch). IAPMO (International Association of Plumbing and Mechanical Officials) listed.