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Watts LF3004 dielectric union, malleable iron, zinc-plated galvanised finish, 1-1/2 in FIP threaded ends, polysulfone insulator

Watts

Watts LF3004 Dielectric Union 1-1/2 in FIP 250 psi

SKU CH-56JE-BZFK1

Connects 1-1/2 in FIP threads with a dielectric union rated 250 psi and 33 to 180 °F

  • Prevents galvanic corrosion with dielectric polysulfone insulator
  • Rated for 250 psi maximum operating pressure
  • Handles temperatures from 33 to 180 degrees F
  • Malleable iron zinc-plated construction resists corrosion
  • Female threaded FIP connections on both ends

Dielectric Union for Dissimilar Metals

The Watts LF3004 dielectric union separates dissimilar metals in piping systems to prevent galvanic corrosion. It is intended for plumbing installations where a reliable barrier between different metal pipes is required.

250 psi Maximum Operating Pressure

This fitting is rated for 250 psi maximum operating pressure, which is the key specification that determines whether it suits a given system. The polysulfone insulator and NBR gasket maintain the dielectric break under this pressure.

33 to 180 Degrees F Temperature Range

Under sustained load the union operates continuously between 33 degrees and 180 degrees Fahrenheit. The malleable iron body with zinc-plated galvanized finish and malleable iron nut resist deformation across this range.

Highlights

  • Prevents galvanic corrosion with dielectric polysulfone insulator
  • Rated for 250 psi maximum operating pressure
  • Handles temperatures from 33 to 180 degrees F
  • Malleable iron zinc-plated construction resists corrosion
  • Female threaded FIP connections on both ends

Specifications

BrandWATTS

Questions about this item

What does the 250 psi rating mean once the union is installed in a plumbing system?

It means the dielectric union can safely handle up to 250 psi of water pressure during normal operation without leaking or failing.

How does the FIP threading affect which pipes or fittings can connect to this union?

The 1-1/2 inch female iron pipe threads accept matching male NPT fittings, so you can thread it directly onto standard steel, brass, or copper adapters of the same size.

What physical space and mounting method does this dielectric union require?

It measures 2 3/4 inches overall length and joins two 1-1/2 inch female threaded ends, so you need enough straight pipe clearance to thread both sides onto male NPT nipples or adapters.

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