SolarFlex™ stainless steel piping with EPDM insulation. Used to connect solar collector with storage tank. Integrated sensor cable saves time and reduces cost. Packaged in a 50 foot continuous coil ensures a leak-free installation. Max. working pressure: 150 psi. Max. fl uid temperature: 350ºF. Min. surface temperature: -60ºF. Min. bend radius: 5". Flammability: Class VO. Flame spread/smoke density: 25/50 Agency approvals: ASTM D 635 ASTM C 177 Includes fi tting kit.