
The plastic PEX fittings (ANSI F2159) are in sizes from 3/8” to 1” and various configurations. Also available are copper crimp rings (ASTM F 1807) and stainless-steel clamps (ASTM F 2098). Both are third-party certified: the no-lead brass fittings are ANSI/NSF 61G and ANSI/NSF 14, and the plastic are ANSI/NSF 61-4 and ANSI/NSF 14.