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The Viega VIEGUCMIP34 is a ProPress lead free bronze pipe union designed for 3/4 inch nominal pipe connections using a Press x MNPT end style. This fitting connects a press-style end directly to a male national pipe thread end, giving plumbers and mechanical contractors a fast, reliable transition between press piping systems and threaded pipe runs. Viega ProPress fittings are widely trusted in commercial and residential plumbing installations where speed and long-term leak resistance are priorities. The press connection eliminates the need for open flame, flux, or solder, making it a safer and faster option compared to traditional copper sweat fittings. The male NPT end threads directly into standard female threaded fittings, valves, or equipment ports. This union design allows the two connected sections of pipe to be disconnected and reconnected without cutting the pipe, which is a key advantage during service, maintenance, or equipment replacement. The fitting is manufactured from lead free bronze, meeting the requirements of NSF 61 and NSF 372 standards for use in potable water systems. It carries a 200 psi pressure rating and is suitable for operating temperatures ranging from 0 to 250 degrees Fahrenheit. The overall length is 2 and 29/32 inches, making it compact enough for tight mechanical spaces. Plumbers, pipefitters, and HVAC technicians working with ProPress copper systems will find this union useful for connecting to threaded components such as water heaters, boilers, pressure gauges, and shutoff valves. The lead free bronze construction resists corrosion in both hot and cold water applications, and the material is compatible with standard ProPress jaws and rings used with 3/4 inch fittings.
The Viega VIEGUCMIP34 ProPress pipe union delivers a durable, lead free bronze connection rated to 200 psi and 250 degrees Fahrenheit, suited for 3/4 inch press-to-threaded transitions in potable water and hydronic systems.
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