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You are here: Home > Lawn Irrigation > Fittings > 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: $5.17
Sale Price: $3.38
You save $1.79!
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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: $6.80
Sale Price: $4.65
You save $2.15!
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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: $7.55
Sale Price: $4.80
You save $2.75!
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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: $10.26
Sale Price: $6.68
You save $3.58!
Qty Add
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