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You are here: Home > Fittings > Dielectric Unions

Dielectric Unions

Dielectric Unions are used to separate dissimilar metals (such as copper and galvanized steel) to avoid the damaging effects of galvanic corrosion.

Sprinkler Warehouse carries dielectric unions in a variety of different sizes from 1/2 inch to 1 inch.
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Aqualine DU1320 Dielectric Union (1/2 in.)
Aqualine DU1320 Dielectric Union (1/2 in.)
  • 1/2" FIPT (Female Iron Pipe Thread) x 1/2" Female Copper Solder Joint
  • Maximum working pressure 250 PSI
  • Prevents galvanic corrosion
Our Price: $4.35
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Aqualine DU1321 Dielectric Union (3/4 in.)
Aqualine DU1321 Dielectric Union (3/4 in.)
  • 3/4" FIPT (Female Iron Pipe Thread) x 3/4" Female Copper Solder Joint
  • Maximum working pressure 250 PSI
  • Prevents galvanic corrosion
Our Price: $4.50
Qty Add
Aqualine DU1322 Dielectric Union (3/4 in. FIP x 1/2 in. Female Solder)
Aqualine DU1322 3/4 in. FIP x 1/2 in. Female Copper Solder Joint Dielectric Union
  • 3/4" FIPT (Female Iron Pipe Thread) x 1/2" Female Copper Solder Joint
  • Maximum working pressure 250 PSI
  • Prevents galvanic corrosion
Our Price: $4.50
Qty Add
Aqualine DU1323 Dielectric Union (1 in.)
Aqualine DU1323 Dielectric Union (1 in. FIP x 1 in. Female Solder)
  • 1" FIPT (Female Iron Pipe Thread) x 1" Female Copper Solder Joint
  • Maximum working pressure 250 PSI
  • Prevents galvanic corrosion
Our Price: $8.22
Qty Add
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