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Dielectric Unions & Nipples

Dielectric Unions & Nipples

  • 3/4" Sweat x Female Dielectric Union <br>(Lead Free) Product Image
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    3/4" Sweat x Female Dielectric Union (Lead Free) DEU075CF 3/4" Sweat x Female Dielectric Union (Lead Free)
    SKU: DEU075CF
    Brand: Bluefin
    (3)
    $3.75 each
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    $88.25 box of 25
    $3.53 each
    3,282
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  • 1" Sweat x Female Dielectric Union<br>(Lead Free) Product Image
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    1" Sweat x Female Dielectric Union (Lead Free) DEU100CF 1" Sweat x Female Dielectric Union (Lead Free)
    SKU: DEU100CF
    Brand: Bluefin
    (1)
    $6.59 each
      Box Up & Save 11%  
    $147.25 box of 25
    $5.89 each
    917
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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)
    $11.29 each
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    $251.52 box of 24
    $10.48 each
    167
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  • 1-1/4" Sweat x Female Dielectric Union<br>(Lead Free) Product Image
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    1-1/4" Sweat x Female Dielectric Union (Lead Free) DEU125CF 1-1/4" Sweat x Female Dielectric Union (Lead Free)
    SKU: DEU125CF
    Brand: Bluefin
    (2)
    $7.79 each
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    $72.90 box of 10
    $7.29 each
    621
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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)
    $17.49 each
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    $181.44 box of 12
    $15.12 each
    78
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  • 1-1/2" Sweat x Female Dielectric Union (Lead Free) Product Image
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    1-1/2" Sweat x Female Dielectric Union (Lead Free) DEU150CF 1-1/2" Sweat x Female Dielectric Union (Lead Free)
    SKU: DEU150CF
    Brand: Bluefin
    $11.69 each
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    $109.90 box of 10
    $10.99 each
    654
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  • 3/4" Male x Sweat Dielectric Union<br>(Lead Free) Product Image
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    3/4" Male x Sweat Dielectric Union (Lead Free) DEU075CM 3/4" Male x Sweat Dielectric Union (Lead Free)
    SKU: DEU075CM
    Brand: Bluefin
    (1)
    $5.19 each
      Box Up & Save 6%  
    $122.25 box of 25
    $4.89 each
    1,049
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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)
    $20.29 each
    24
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    24 Fri, Jul 17
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  • 1-1/2" x 4" Galvanized Steel Dielectric Nipple<br>w/ Pex Insulator Product Image
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    1-1/2" x 4" Galvanized Steel Dielectric Nipple w/ Pex Insulator DEN150-400 1-1/2" x 4" Galvanized Steel Dielectric Nipple w/ Pex Insulator
    SKU: DEN150-400
    Brand: Bluefin
    $5.06 each
      Box Up & Save 5%  
    $119.75 box of 25
    $4.79 each
    563
    Fri, Jul 17
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  • 2" Sweat x Female Dielectric Union<br>(Lead Free) Product Image
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    2" Sweat x Female Dielectric Union (Lead Free) DEU200CF 2" Sweat x Female Dielectric Union (Lead Free)
    SKU: DEU200CF
    Brand: Bluefin
    (1)
    $19.95 each
      Box Up & Save 6%  
    $187.90 box of 10
    $18.79 each
    358
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    358 Fri, Jul 17
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  • 3/4" x 3" Galvanized Steel Dielectric Nipple<br>w/ Pex Insulator Product Image
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    3/4" x 3" Galvanized Steel Dielectric Nipple w/ Pex Insulator DEN075-300 3/4" x 3" Galvanized Steel Dielectric Nipple w/ Pex Insulator
    SKU: DEN075-300
    Brand: Bluefin
    $2.58 each
      Box Up & Save 10%  
    $58.00 box of 25
    $2.32 each
    1,069
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  • 2" x 4" Galvanized Steel Dielectric Nipple<br>w/ Pex Insulator Product Image
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    2" x 4" Galvanized Steel Dielectric Nipple w/ Pex Insulator DEN200-400 2" x 4" Galvanized Steel Dielectric Nipple w/ Pex Insulator
    SKU: DEN200-400
    Brand: Bluefin
    (1)
    $6.99 each
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    $131.80 box of 20
    $6.59 each
    658
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    658 Fri, Jul 17
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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)
    $33.59 each
    23
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  • 1" x 4" Galvanized Steel Dielectric Nipple<br>w/ Pex Insulator Product Image
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    1" x 4" Galvanized Steel Dielectric Nipple w/ Pex Insulator DEN100-400 1" x 4" Galvanized Steel Dielectric Nipple w/ Pex Insulator
    SKU: DEN100-400
    Brand: Bluefin
    $3.28 each
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    $76.75 box of 25
    $3.07 each
    1,179
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  • 1-1/4" GB-D EPDM Hi Temp Dielectric Gasket (Set of 2) Product Image
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    1-1/4" GB-D EPDM Hi Temp Dielectric Gasket (Set of 2) 0881428 1-1/4" GB-D EPDM Hi Temp Dielectric Gasket (Set of 2)
    SKU: 0881428
    Brand: Watts
    $11.49 each
      Box Up & Save 4%  
    $274.75 box of 25
    $10.99 each
    43
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  • 1" GB-C EPDM Hi-Temp Dielectric Gasket Kit Product Image
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    1" GB-C EPDM Hi-Temp Dielectric Gasket Kit 0881427 1" GB-C EPDM Hi-Temp Dielectric Gasket Kit
    SKU: 0881427
    Brand: Watts
    $7.99 each
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    $189.75 box of 25
    $7.59 each
    60
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  • 1/2" Sweat x Female Dielectric Union <br>(Lead Free) Product Image
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    1/2" Sweat x Female Dielectric Union (Lead Free) DEU050CF 1/2" Sweat x Female Dielectric Union (Lead Free)
    SKU: DEU050CF
    Brand: Bluefin
    $2.99 each
      Box Up & Save 6%  
    $70.25 box of 25
    $2.81 each
    219
    Fri, Jul 17
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    219 Fri, Jul 17
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  • 3/4" x 2-1/2" Galvanized Steel Dielectric Nipple<br>w/ Pex Insulator Product Image
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    3/4" x 2-1/2" Galvanized Steel Dielectric Nipple w/ Pex Insulator DEN075-250 3/4" x 2-1/2" Galvanized Steel Dielectric Nipple w/ Pex Insulator
    SKU: DEN075-250
    Brand: Bluefin
    $1.88 each
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    $42.25 box of 25
    $1.69 each
    1,290
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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)
    $44.99 each
    31
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  • 3/4" x 4" Galvanized Steel Dielectric Nipple<br>w/ Pex Insulator Product Image
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    3/4" x 4" Galvanized Steel Dielectric Nipple w/ Pex Insulator DEN075-400 3/4" x 4" Galvanized Steel Dielectric Nipple w/ Pex Insulator
    SKU: DEN075-400
    Brand: Bluefin
    $2.50 each
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    $56.25 box of 25
    $2.25 each
    581
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  • 1" CxF Dielectric Union<br>(Lead Free) Product Image
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    1" CxF Dielectric Union (Lead Free) 1-DUXLC 1" CxF Dielectric Union (Lead Free)
    SKU: 1-DUXLC
    Brand: Zurn
    (1)
    $10.68 each
    43
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    43 Fri, Jul 17
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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
    40
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    40 Fri, Jul 17
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  • 1-1/4" x 4" Galvanized Steel Dielectric Nipple<br>w/ Pex Insulator Product Image
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    1-1/4" x 4" Galvanized Steel Dielectric Nipple w/ Pex Insulator DEN125-400 1-1/4" x 4" Galvanized Steel Dielectric Nipple w/ Pex Insulator
    SKU: DEN125-400
    Brand: Bluefin
    $3.45 each
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    $81.25 box of 25
    $3.25 each
    187
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    187 Fri, Jul 17
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  • 1/2", 3/4" GA-B Buna Dielectric Gasket Kit (2 Gaskets Per Kit) Product Image
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    1/2", 3/4" GA-B Buna Dielectric Gasket Kit (2 Gaskets Per Kit) 0881401 1/2", 3/4" GA-B Buna Dielectric Gasket Kit (2 Gaskets Per Kit)
    SKU: 0881401
    Brand: Watts
    $2.49 each
      Box Up & Save 4%  
    $59.75 box of 25
    $2.39 each
    122
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FAQs, Manuals & Videos

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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.

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