from USA
in 15+ days
At your doorstep by Jun 30  to Jun 15 with standard delivery


  • Dezincification resistant.
  • Operating pressure 200 psi cwp.
  • The NIBCO Press System copper union features an inboard bead and EPDM O-ring.
  • ›See more product details.
  • Imported from USA.
Simply applying pressure from a pressing tool tightens the O-ring onto the tube, ensuring a clean, watertight seal in seconds with no flame, solder or flux. The union has a press connection and a male NPT thread. It is used to allow repair to the line without damage between a press connection and threaded connection. NIBCO Press System fittings are the fastest, easiest way to join copper tubing systems in residential and commercial potable, hot, chilled and process water applications for plumbing and HVAC systems. The press fittings can also be installed underground. The NIBCO Press System is user friendly, quick and easy to install. When properly crimped a unique �N� witness mark is clearly visible. NIBCO Press System applies the proven performance of press technology to NIBCO valves and fittings � the most specified flow control products in the industry. The NIBCO Press System features a full range of precision engineered copper and copper alloy fittings, commercial valves, accessories, pressing tools, jaws and chains. In addition to its inherent qualities of beauty, durability and low maintenance, copper�s reusability makes it an ideal application in sustainable projects. NIBCO Press System copper fittings are backed by a 50-year limited warranty. Because of its longstanding reputation for innovation and precision in design and manufacturing, NIBCO is the preferred brand in the industry.

Nibco Press System PC633-4 Wrot Copper Union, 3/4"


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