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Dielectric Unions & Nipples

  • 1/2" LF3001A CxF Dielectric Union <br>(Lead Free) Product Image
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    1/2" LF3001A CxF Dielectric Union (Lead Free) 0009864 1/2" LF3001A CxF Dielectric Union (Lead Free)
    SKU: 0009864
    Brand: Watts
    (13)
    $11.99 each
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    $275.76 box of 24
    $11.49 each
    45
    Mon, Dec 23
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    45 Mon, Dec 23
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  • 3/4" LF3001A CxF Dielectric Union<br>(Lead Free) Product Image
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    3/4" LF3001A CxF Dielectric Union (Lead Free) 0009865 3/4" LF3001A CxF Dielectric Union (Lead Free)
    SKU: 0009865
    Brand: Watts
    (13)
    $11.99 each
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    $275.76 box of 24
    $11.49 each
    347
    Mon, Dec 23
    347
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    347 Mon, Dec 23
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  • 1" FIP x 3/4" Solder LF3002 Dielectric Union, Lead Free Product Image
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    1" FIP x 3/4" Solder LF3002 Dielectric Union, Lead Free 0009873 1" FIP x 3/4" Solder LF3002 Dielectric Union, Lead Free
    SKU: 0009873
    Brand: Watts
    (13)
    $20.49 each
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    $196.90 box of 10
    $19.69 each
    9
    Mon, Dec 23
    9
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    9 Mon, Dec 23
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  • 1" LF3001A CxF<br>Dielectric Union<br>(Lead Free) Product Image
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    1" LF3001A CxF Dielectric Union (Lead Free) 0009866 1" LF3001A CxF Dielectric Union (Lead Free)
    SKU: 0009866
    Brand: Watts
    (13)
    $18.49 each
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    $212.28 box of 12
    $17.69 each
    31
    Mon, Dec 23
    31
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    31 Mon, Dec 23
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  • 1-1/4" LF3001A CxF Dielectric Union<br>(Lead Free) Product Image
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    1-1/4" LF3001A CxF Dielectric Union (Lead Free) 0009867 1-1/4" LF3001A CxF Dielectric Union (Lead Free)
    SKU: 0009867
    Brand: Watts
    (13)
    $35.49 each
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    $339.90 box of 10
    $33.99 each
    14
    Mon, Dec 23
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    14 Mon, Dec 23
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  • 1-1/2" LF3001A CxF Dielectric Union<br>(Lead Free) Product Image
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    1-1/2" LF3001A CxF Dielectric Union (Lead Free) 0009868 1-1/2" LF3001A CxF Dielectric Union (Lead Free)
    SKU: 0009868
    Brand: Watts
    (13)
    $47.99 each
      Box Up & Save 5%  
    $455.90 box of 10
    $45.59 each
    18
    Mon, Dec 23
    18
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    18 Mon, Dec 23
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  • 2" LF3001A CxF <br>Dielectric Union<br>(Lead Free) Product Image
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    2" LF3001A CxF Dielectric Union (Lead Free) 0009869 2" LF3001A CxF Dielectric Union (Lead Free)
    SKU: 0009869
    Brand: Watts
    (13)
    $74.99 each
      Box Up & Save 5%  
    $708.90 box of 10
    $70.89 each
    20
    Mon, Dec 23
    20
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    20 Mon, Dec 23
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  • 3/4" 3003 FxF<br>Dielectric Union<br>(Lead Free) Product Image
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    3/4" 3003 FxF Dielectric Union (Lead Free) 0009875 3/4" 3003 FxF Dielectric Union (Lead Free)
    SKU: 0009875
    Brand: Watts
    (13)
    $20.99 each
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    $101.60 box of 5
    $20.32 each
    Tue, Dec 31 – Fri, Jan 3
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    Tue, Dec 31 – Fri, Jan 3
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  • 1" LF3003 FxF<br>Dielectric Union<br>(Lead Free) Product Image
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    1" LF3003 FxF Dielectric Union (Lead Free) 0009876 1" LF3003 FxF Dielectric Union (Lead Free)
    SKU: 0009876
    Brand: Watts
    (13)
    $35.99 each
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    $174.20 box of 5
    $34.84 each
    33
    Mon, Dec 23
    33
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    33 Mon, Dec 23
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  • 1-1/2" LF3003 FxF<br>Dielectric Union<br>(Lead Free) Product Image
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    1-1/2" LF3003 FxF Dielectric Union (Lead Free) 0009878 1-1/2" LF3003 FxF Dielectric Union (Lead Free)
    SKU: 0009878
    Brand: Watts
    $82.99 each
    1
    Mon, Dec 23
    1
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    1 Mon, Dec 23
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  • 1/2" LF3003 FxF Dielectric Union, Lead Free Product Image
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    1/2" LF3003 FxF Dielectric Union, Lead Free 0009874 1/2" LF3003 FxF Dielectric Union, Lead Free
    SKU: 0009874
    Brand: Watts
    (13)
    $17.49 each
      Box Up & Save 4%  
    $402.96 box of 24
    $16.79 each
    17
    Mon, Dec 23
    17
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    17 Mon, Dec 23
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  • 2" LF3003 FxF<br>Dielectric Union<br>(Lead Free) Product Image
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    2" LF3003 FxF Dielectric Union (Lead Free) 0009879 2" LF3003 FxF Dielectric Union (Lead Free)
    SKU: 0009879
    Brand: Watts
    $109.99 each
    6
    Mon, Dec 23
    6
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    6 Mon, Dec 23
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  • 1/2" LF3004 FxF <br>Dielectric Union<br>(Lead Free) Product Image
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    1/2" LF3004 FxF Dielectric Union (Lead Free) 0821930 1/2" LF3004 FxF Dielectric Union (Lead Free)
    SKU: 0821930
    Brand: Watts
    $15.79 each
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    $363.84 box of 24
    $15.16 each
    6
    Mon, Dec 23
    6
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    6 Mon, Dec 23
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  • 1" Dielectric Union Repair Kit Product Image
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    1" Dielectric Union Repair Kit 0881433 1" Dielectric Union Repair Kit
    SKU: 0881433
    Brand: Watts
    $9.49 each
    Tue, Dec 31 – Fri, Jan 3
    Arrives
    Tue, Dec 31 – Fri, Jan 3
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  • 3/4" LF3004 FxF <br>Dielectric Union<br>(Lead Free) Product Image
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    3/4" LF3004 FxF Dielectric Union (Lead Free) 0821931 3/4" LF3004 FxF Dielectric Union (Lead Free)
    SKU: 0821931
    Brand: Watts
    $16.99 each
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    $195.48 box of 12
    $16.29 each
    3
    Mon, Dec 23
    3
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    3 Mon, Dec 23
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  • 1" LF3004 Lead Free FIP to FIP Dielectric Union Product Image
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    1" LF3004 Lead Free FIP to FIP Dielectric Union 0821932 1" LF3004 Lead Free FIP to FIP Dielectric Union
    SKU: 0821932
    Brand: Watts
    $22.99 each
    18
    Mon, Dec 23
    18
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    18 Mon, Dec 23
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  • 1-1/4" LF3004 Lead Free FIP to FIP Dielectric Union Product Image
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    1-1/4" LF3004 Lead Free FIP to FIP Dielectric Union 0821933 1-1/4" LF3004 Lead Free FIP to FIP Dielectric Union
    SKU: 0821933
    Brand: Watts
    $32.99 each
    Tue, Dec 31 – Fri, Jan 3
    Arrives
    Tue, Dec 31 – Fri, Jan 3
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  • 1-1/2" LF4001E CxF Dielectric Union<br>(Lead Free) Product Image
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    1-1/2" LF4001E CxF Dielectric Union (Lead Free) 0821464 1-1/2" LF4001E CxF Dielectric Union (Lead Free)
    SKU: 0821464
    Brand: Watts
    $82.99 each
    Fri, Jan 3 – Wed, Jan 8
    Arrives
    Fri, Jan 3 – Wed, Jan 8
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  • 1" LF3001-GB CxF Dielectric Union w/ EPDM Gasket (Lead Free) Product Image
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    1" LF3001-GB CxF Dielectric Union w/ EPDM Gasket (Lead Free) 0124300 1" LF3001-GB CxF Dielectric Union w/ EPDM Gasket (Lead Free)
    SKU: 0124300
    Brand: Watts
    (13)
    $35.99 each
    Tue, Dec 31 – Fri, Jan 3
    Arrives
    Tue, Dec 31 – Fri, Jan 3
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  • 2" LF4001E CxF <br>Dielectric Union<br>(Lead Free) Product Image
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    2" LF4001E CxF Dielectric Union (Lead Free) 0821465 2" LF4001E CxF Dielectric Union (Lead Free)
    SKU: 0821465
    Brand: Watts
    $119.99 each
    Fri, Jan 3 – Wed, Jan 8
    Arrives
    Fri, Jan 3 – Wed, Jan 8
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  • 1" LF4001E CxF <br>Dielectric Union<br>(Lead Free) Product Image
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    1" LF4001E CxF Dielectric Union (Lead Free) 0821462 1" LF4001E CxF Dielectric Union (Lead Free)
    SKU: 0821462
    Brand: Watts
    $31.99 each
    Fri, Jan 3 – Wed, Jan 8
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    Fri, Jan 3 – Wed, Jan 8
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  • 3/4" LF4001E CxF <br>Dielectric Union<br>(Lead Free) Product Image
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    3/4" LF4001E CxF Dielectric Union (Lead Free) 0821461 3/4" LF4001E CxF Dielectric Union (Lead Free)
    SKU: 0821461
    Brand: Watts
    $14.99 each
    Fri, Jan 3 – Wed, Jan 8
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    Fri, Jan 3 – Wed, Jan 8
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  • 1/2" CxF Dielectric Union<br>(Lead Free) Product Image
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    1/2" CxF Dielectric Union (Lead Free) 12-DUXLC 1/2" CxF Dielectric Union (Lead Free)
    SKU: 12-DUXLC
    Brand: Zurn
    $8.49 each
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    $81.90 box of 10
    $8.19 each
    Fri, Dec 27 – Tue, Dec 31
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    Fri, Dec 27 – Tue, Dec 31
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  • 3/4" CxF Dielectric Union<br>(Lead Free) Product Image
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    3/4" CxF Dielectric Union (Lead Free) 34-DUXLC 3/4" CxF Dielectric Union (Lead Free)
    SKU: 34-DUXLC
    Brand: Zurn
    $7.02 each
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    $70.20 box of 10
    $7.02 each
    51
    Mon, Dec 23
    51
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    51 Mon, Dec 23
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  • 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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