This NIBCO cast bronze solder pressure drain coupling is used in residential and commercial plumbing applications. The drain coupling features solder cups and a drain port. The fitting is used to connect two lengths of tube together and provide a means for draining the line. Please refer to NIBCO technical data sheets and catalogs for engineering and installation information. In addition to its inherent qualities of beauty, durability and low maintenance, copper's reusability makes it an ideal application in sustainable projects. NIBCO copper fittings are manufactured in an ISO 9001 certified facility, and 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.Features Dezincification resistant Use in U.S. drinking water applications is prohibited after January 3, 2014 ASTM B584 Alloy C84400 Material and workmanship per ASME B16.18
