NIBCO press fittings are the fastest, easiest way to join copper tubing systems. NIBCO pecent Press System pecent fittings are designed to join with seamless copper water tube 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 pecent Press System pecent is user friendly, quick and easy to install. When properly crimped a unique ''N'' witness mark is clearly visible. Please refer to NIBCO technical data sheets and catalogs for engineering and installation information. NIBCO pecent Press System pecent applies the proven performance of press technology to NIBCO valves and fittings ? the most specified flow control products in the industry. The NIBCO pecent Press System pecent 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 pecent Press System pecent 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.