Dielectric Union Installation On Water Heater

Wrap plumbing tape around the threads of the cold water inlet or the hot water outlet nipple attached to the top of your electric water heater.

Dielectric union installation on water heater.

The adapter serves to hold both pipes together preventing leaking and other kinds of damage. The cold water inlet is usually identified by a blue. Dielectric union water heater by installing dielectric unions on your water heater you could avoid premature corrosion. In combination with dielectric nipp.

Although hd does stock this union it doesn t stock the gasket which after 12 years should be replaced with the new water heater. A dielectric union fitting is one which is often used in water supply lines and other connections which require an adapter to be placed between two different pipes the adapter is used to connect pipes of different types together for example a copper pipe and iron pipe. Is a dielectric union necessary on every water heater. That s with copper water lines of course.

Hd stocks water heaters in all stores and a dielectric union is a standard item for water heater installation. One could buy a pair of new dielectric unions but that would require soldering which seems to defeat. I usually install brass nipples with dielectric unions. We offer dielectric unions in a range of configurations sizes and materials.

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.