Uponor full-port valves are available in sizes 1/2" to 2" and are listed to ASTM F1960, NSF 14/61, NSF 359 and the Uniform Plumbing Code. The valves feature blowout-proof stems and are available with stem extension kits to accommodate up to 2" of insulation in insulated piping applications. Uponor. www.uponorpro.com