PlumBest D06075R Zinc Plated 3/4-Inch FIP by 3/4-Inch Copper Sweat Dielectric Union Prevents electrolysis or galvanic action when connecting dissimilar metals Zinc plated forged steel EPDM washer; ABS fiber sleeve Solder ends confirm to ANSI B16.19; threads conform to ASNI B2.1 Pressure rated at 250psi at 180-Degree Fahrenheit