Rheem-Ruud AP13045 Dielectric Union 3/4" NPT X 3/4" Sweat

The Rheem-Ruud AP13045 Dielectric Union is a plumbing connection component used to join dissimilar metal piping in water heating and HVAC systems. This fitting helps reduce galvanic corrosion between connected metal pipes, supporting and maintaining system integrity in hot water circulation and supply applications. Designed with 3/4 inch x 3/4 inch NPT connections, the union allows secure threaded installation while electrically isolating adjoining metals within the piping assembly. It is used in residential and commercial equipment during installation, repair, and replacement servicing of water heaters, boilers, and related fluid handling systems.