Dielectric Union On Water Heater

The cold water inlet is usually identified by a blue sticker on the top of the heater.

Dielectric union on water heater.

The hot outlet by a red sticker. 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. 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. Set your store to see local availability add to cart.

Ron hasil lic 058 160417. When copper and steel pipes are connected which happens often at the fittings near a water heater an electrolytic reaction begins. But a shakbite does also not have the degree of separation which a longer nipple does. It is installed between pipes made from dissimilar metal.

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. To stop this type of corrosion a fitting called a dielectric union is used to connect the two different. In combination with dielectric nipp. The home depot can install your new water heater within 24 hours.

A dielectric union or nipple does have a break between the different materials which a sharkbite does not have. Copper to the water heater needs either a dielectric union or a brass fitting to make the transition. Fip x sweat dielectric union model 112 duxlc 23 01 23 01. Galvanized can be hooked directly to the water heater just fine.

Screw on the galvanized half of the dielectric union and tighten it using a. Dielectric union water heater by installing dielectric unions on your water heater you could avoid premature corrosion. Dielectric the nipples on the heater are dielectric nipples and they are no more effective than a dielectric union or a sharkbite for that matter.