The Jones Stephens D06075 is a dielectric union that features a 3/4" FIP connection by a 3/4" copper sweat connection. This dielectric union is tagged as "lead-free", making it safe to use with any potable water system (commercial or residential use). It has a pressure rating of 250 PSI at 180 degrees F and it is designed to prevent electrolysis when connecting different metals. Jones Stephens takes pride in providing their customers with quality products that are dependable and applicable for all of those who use them. These replacement parts and accessories are developed to both perform and to last. Together with Jones Stephens, we, at PlumbersStock, are determined to provide reliable products, like this D06075, that will meet your needs without costing a fortune.