Dielectric Union Steel Galvanized Brass 3/4 in 3/4 in Female NPT 14 3/4 in 3/4 in Female Solder Insulator Material Nylon Gasket Material Silicone Rubber Nut Material Galvanized Steel 250 psi Maximum Operating Pressure 250 psi Max Steam Pressure 0 Degrees to 250 Degrees F 4 1/2 in Overall Length