B&K 3/4-in Threaded Dielectric Union Fitting

Helps prevent galvanic corrosion when connecting copper and galvanized steel. Isolates dissimilar metals within the waterway, where galvanic and electrolytic corrosion have their greatest potential. Made of durable brass. Easy to install, long lasting. Temperature rating: 33° to 180°F. Pressure rating: 125 psi maximum. No-lead product CSA certified to NSF 372, low lead content certification program – plumbing products class 6853-01.