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Watts Fittings Dielectric Unions
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Watts 3/4 x 1/2 In Lead Free Dielectric Union, Male Iron Pipe Thread To Reduced Solder Connection

SKU: 0821937

$67.25

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Product Details

Watts 0821937

This 3/4'' lead free dielectric union is used in commercial and residential applications to prevent accelerated corrosion and deterioration in the piping system due to galvanic and stray current. It is installed between pipes made from dissimilar metals and is used on applications such as hot water storage tanks, water and air conditioners, processing tanks, steam, gas, and water piping. It consists of a male iron pipe thread to female solder connections, union nut, two tailpieces, and a Buna-N gasket that separates the tailpieces to prevent an electric current from occurring. The maximum temperature is rated up to 180 deg F (82 deg C) at 250 psi (17.2 bar).


  • UPC 098268461558
  • Online Product ID 9692782
  • Adapter Material Steel
  • Gasket Material Buna-N
  • Gasket Maximum Pressure Bar 17.2
  • Gasket Maximum Pressure Psi 250
  • Gasket Maximum Temperature 180 deg F
  • Inlet Connection Size 0.75''
  • Inlet Connection Size Metric 19 mm
  • Inlet Connection Type Male Threaded
  • Inlet Material Iron
  • Inlet Thread Type IPS
  • Insulator Material Polysulfone
  • Lead Free yes
  • Maximum Working Pressure Psi 250
  • Maximum Working Temperature Deg F 180
  • Nut Material Steel
  • Outlet Connection Size 0.5''
  • Outlet Connection Type Socket
  • Outlet Material Lead Free Brass
  • Series LF3007

Additional information

  • MIP thread to female solder connections
  • Buna-N gasket
  • Maximum temperature 180 deg F (82 deg C)
  • Maximum pressure is 250 psi (17.2 bar)

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