ViegaPEX Ultra tubing is intended and recommended for use in hot and cold potable water distribution systems and multipurpose
residential fire sprinkler systems per NFPA 13D with ViegaPEX Ultra Black tubing in 3/4" to 1-1/2" sizes meeting the requirements
of ASTM F876 and UL 1821 (130 psi @ 120°F). Design temperature and pressure ratings for ViegaPEX Ultra are 160 psi @ 73°F and 100 psi @ 180°F. ViegaPEX Ultra tubing can also be used in “continuously recirculating” plumbing systems at temperatures of up to 140°F while still maintaining excellent Chlorine resistance.