The ChlorFIT piping system from GF Piping Systems has Schedule 80 pipe and fittings that are CPVC Corzan resin. Certified by NSF for use with hot and cold potable water, Corzan is highly resistant to heat, acids, alkalis, alcohols and other corrosives, GF Piping Systems notes. Its fire-resistant qualities make it ideal for applications prone to fire. Available in 1/2" to 24" sizes with pressure ratings from 210 to 400 psi, and operating temperature from 32° F to 200° F.