EASTMAN Water Heater Dielectric Union

The Eastman dielectric union is built of galvanized steel for increased durability with a steel end and a brass end for soldering. Dielectric unions are used to join pipes made from different metals to prevent accelerated corrosion in the piping system. This fitting is utilized to transition between steel and copper piping with a maximum operating pressure of 250 psi and 180-degrees Fahrenheit. The gasket is made with silicone rubber and a nylon insert. Meets plumbing code requirements.