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Dielectric Unions

2 results found that include 48 products

A dielectric union from Grainger can reduce corrosion caused by galvanic action between two different metals because it provides insulation between the two sides of the union. Shop here for dielectric unions in a wide range of sizes and metal combinations, including copper and iron, galvanized steel and malleable iron, steel and brass and more. Choose the type of connection you need. When you shop Grainger today, pick up a dielectric union and whatever other plumbing supplies you need.Close

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  • Dielectric Unions
    • Multiple product options available

      Dielectric unions resist corrosion and deterioration when joining pipes made from dissimilar metals. Each includes a union nut, 2 tailpieces, and gasket. Use in hot water storage tanks, HVAC units, and steam, gas, and water piping.

      Multiple product options available

  • Dielectric Flanges
    • WATTS
    • Multiple product options available

      Dielectric flanges are installed between pipes made from dissimilar metals to help prevent accelerated deterioration and corrosion. Each includes a union nut, 2 tailpieces, and a gasket. They are ideal for use in air and water conditioners, hot water storage tanks, processing tanks, and steam, gas, and water piping.

      Multiple product options available

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Note: Product availability is real-time basis and adjusted continuously. The product will be reserved for you when you complete your order. More