Dielectric Unions & Nipples

  • 1/2" LF3001A CxF Dielectric Union (Lead Free)
    SKU: 0009864
    Brand: Watts
    (13)
    $11.85 each
    $113.50 box of 10
    $11.35 each
    24
    Wed, May 1
    24
    QtyArrives
    24 Wed, May 1
    Questions? Call 1-888-757-4774
  • 3/4" LF3001A CxF Dielectric Union (Lead Free)
    SKU: 0009865
    Brand: Watts
    (13)
    $11.95 each
    $114.50 box of 10
    $11.45 each
    290
    Wed, May 1
    290
    QtyArrives
    290 Wed, May 1
    Questions? Call 1-888-757-4774
  • 1" LF3001A CxF Dielectric Union (Lead Free)
    SKU: 0009866
    Brand: Watts
    (13)
    $17.45 each
    $167.50 box of 10
    $16.75 each
    63
    Wed, May 1
    63
    QtyArrives
    63 Wed, May 1
    Questions? Call 1-888-757-4774
  • $19.75 each
    $189.50 box of 10
    $18.95 each
    17
    Wed, May 1
    17
    QtyArrives
    17 Wed, May 1
    Questions? Call 1-888-757-4774
  • 1-1/4" LF3001A CxF Dielectric Union (Lead Free)
    SKU: 0009867
    Brand: Watts
    (13)
    $34.25 each
    $328.50 box of 10
    $32.85 each
    19
    Wed, May 1
    19
    QtyArrives
    19 Wed, May 1
    Questions? Call 1-888-757-4774
  • 1-1/2" LF3001A CxF Dielectric Union (Lead Free)
    SKU: 0009868
    Brand: Watts
    (13)
    $49.45 each
    $469.50 box of 10
    $46.95 each
    32
    Wed, May 1
    32
    QtyArrives
    32 Wed, May 1
    Questions? Call 1-888-757-4774
  • 2" LF3001A CxF Dielectric Union (Lead Free)
    SKU: 0009869
    Brand: Watts
    (13)
    $73.95 each
    $699.50 box of 10
    $69.95 each
    11
    Wed, May 1
    11
    QtyArrives
    11 Wed, May 1
    Questions? Call 1-888-757-4774
  • 3/4" 3003 FxF Dielectric Union (Lead Free)
    SKU: 0009875
    Brand: Watts
    (13)
    $20.35 each
    $97.25 box of 5
    $19.45 each
    48
    Wed, May 1
    48
    QtyArrives
    48 Wed, May 1
    Questions? Call 1-888-757-4774
  • 1" LF3003 FxF Dielectric Union (Lead Free)
    SKU: 0009876
    Brand: Watts
    (13)
    $34.45 each
    $164.75 box of 5
    $32.95 each
    13
    Wed, May 1
    13
    QtyArrives
    13 Wed, May 1
    Questions? Call 1-888-757-4774
  • $82.95 each
    1
    Wed, May 1
    1
    QtyArrives
    1 Wed, May 1
    Questions? Call 1-888-757-4774
  • 1/2" LF3003 FxF Dielectric Union, Lead Free
    SKU: 0009874
    Brand: Watts
    (13)
    $17.45 each
    1
    Wed, May 1
    1
    QtyArrives
    1 Wed, May 1
    Questions? Call 1-888-757-4774
  • 2" LF3003 FxF Dielectric Union (Lead Free)
    SKU: 0009879
    Brand: Watts
    $108.95 each
    2
    Wed, May 1
    2
    QtyArrives
    2 Wed, May 1
    Questions? Call 1-888-757-4774
  • 1" Dielectric Union Repair Kit
    SKU: 0881433
    Brand: Watts
    $9.45 each
    Wed, May 8 – Fri, May 10
    Arrives
    Wed, May 8 – Fri, May 10
    Questions? Call 1-888-757-4774 or LiveChat Img Live Chat
  • $15.35 each
    2
    Wed, May 1
    2
    QtyArrives
    2 Wed, May 1
    Questions? Call 1-888-757-4774
  • $16.15 each
    $154.50 box of 10
    $15.45 each
    15
    Wed, May 1
    15
    QtyArrives
    15 Wed, May 1
    Questions? Call 1-888-757-4774
  • $31.75 each
    Wed, May 8 – Fri, May 10
    Arrives
    Wed, May 8 – Fri, May 10
    Questions? Call 1-888-757-4774 or LiveChat Img Live Chat
  • $22.65 each
    7
    Wed, May 1
    7
    QtyArrives
    7 Wed, May 1
    Questions? Call 1-888-757-4774
  • $82.95 each
    Fri, May 10 – Wed, May 15
    Arrives
    Fri, May 10 – Wed, May 15
    Questions? Call 1-888-757-4774 or LiveChat Img Live Chat
  • $35.75 each
    Wed, May 8 – Fri, May 10
    Arrives
    Wed, May 8 – Fri, May 10
    Questions? Call 1-888-757-4774 or LiveChat Img Live Chat
  • $31.95 each
    Fri, May 10 – Wed, May 15
    Arrives
    Fri, May 10 – Wed, May 15
    Questions? Call 1-888-757-4774 or LiveChat Img Live Chat
  • $115.95 each
    Fri, May 10 – Wed, May 15
    Arrives
    Fri, May 10 – Wed, May 15
    Questions? Call 1-888-757-4774 or LiveChat Img Live Chat
  • $14.95 each
    Fri, May 10 – Wed, May 15
    Arrives
    Fri, May 10 – Wed, May 15
    Questions? Call 1-888-757-4774 or LiveChat Img Live Chat
  • 1/2" CxF Dielectric Union (Lead Free)
    SKU: 12-DUXLC
    Brand: Zurn
    $8.55 each
    $82.50 box of 10
    $8.25 each
    Mon, May 6 – Wed, May 8
    Arrives
    Mon, May 6 – Wed, May 8
    Questions? Call 1-888-757-4774 or LiveChat Img Live Chat
  • 3/4" CxF Dielectric Union (Lead Free)
    SKU: 34-DUXLC
    Brand: Zurn
    $6.38 each
    $63.80 box of 10
    $6.38 each
    39
    Wed, May 1
    39
    QtyArrives
    39 Wed, May 1
    Questions? Call 1-888-757-4774

Resources

Videos

Articles

  • Applications
    A dielectric union is utilized in a plumbing system to make a connection between two pipes of dissimilar metal (such as copper and galvanized Steel). The installation of a dielectric union to separate the two dissimilar metals will prevent corrosion that would otherwise occur over time. They are used in many common residential and commercial applications including: hot water storage tanks, water and air conditioners, and processing tanks and are commonly found in steam, gas, and water piping systems.

    How does a Dielectric Union prevent corrosion?
    Generally all tap water is slightly acidic or basic. When tap water flows through two pipes of dissimilar metal (such as Copper and Galvanized Steel), an electric current is created. The chemical reaction created by the electric current will ultimately erode one of the metals, while simultaneously forming a buildup of new material on the second metal. This buildup of new material typically consists of substance from the eroded metal, and the acid produced during the chemical process.

    A dielectric union consists of four parts: a union nut, two tailpieces, and a gasket. Watts 3001A dielectric unions feature a female iron pipe (FIP) thread x brass solder connection, and are available in sizes ranging from 1/2" to 2".
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