Uponor’s code-listed ProPEX lead-free brass commercial ball valves for PEX-to-PEX connections are available in sizes from 1/2” to 2” and are listed to ASTM F1960, NSF 14/61, NSF 359 and the Uniform Plumbing Code.
North America’s top plumbing and pipe-fitting apprentices were put to the test during the 2014 United Association International Apprenticeship Competition, which was held late August in conjunction with the Instructor Training Program at Washtenaw Community College in Ann Arbor, Mich.