Dielectric Union Hot Water Heater

A dielectric union is a pipe connection with a 1 16 thick plastic washer and a piece of rubber between the two.

Dielectric union hot water heater.

We offer dielectric unions in a range of configurations sizes and materials. 1 separate a 3 4 inch dielectric union. Its only intended use is to break continuity. You need to use dielectric unions to connect an electric water heater to a system of copper pipes if the heater came with preinstalled galvanized nipples.

So why would the water heater manufacturer care about that. However no dielectric union between dissimilar metal connections will likely result in failure of the piping at that point. Ron hasil lic 058 160417. Fip x sweat dielectric union model 112 duxlc 23 01 23 01.

They must mean that a dielectric union is not required to prevent problems with the water heater. The home depot can install your new water heater within 24 hours. Copper to the water heater needs either a dielectric union or a brass fitting to make the transition. Free delivery with 45 order.

Dielectric unions were developed for use on electric railway lines and for the underlaying of undersea cables and at about the same time for preventing electrolytic corrosion at the connection of water meters to building water piping. Dielectric unions dielectric unions are used in commercial and residential applications to prevent accelerated corrosion and deterioration in the piping system due to galvanic and stray current. It is installed between pipes made from dissimilar metal. If either the tank nipples or the pipes are galvanized steel however and you are connecting them to copper you must use a fitting called a dielectric union to make the connection.

Galvanized can be hooked directly to the water heater just fine.