(with picture) Dielectric flanges are installed between pipes made from dissimilar metals to help prevent accelerated deterioration and corrosion. Ferguson is the US plumbing supply company and a top distributor of HVAC parts, waterworks supplies, and MRO products. Dielectric plumbing connectors: this article describes the building code and practical requirements for a dielectric fitting when connecting copper piping to steel pipes or steel fittings such as at the top of a water heater.
Watts 3001A 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. They are ideal for use in air and water conditioners, hot water storage tanks. Each includes a union nut, tailpieces, and gasket.
We offer dielectric unions in a range of configurations, sizes, and materials. Dielectric Unions - Jan 1 20To avoid this plumbers use a special coupling called a dielectric union.
Dielectric Unions and Flanges - Pipe Fittings. Dielectric Insulated Unions - HART Industrial Unions HART Dielectric Polymer Composite Coating Hart Industrial Dielectric O-ring Unions are engineered to provide the most effective and efficient method of preventing electrolytic deterioration.