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PlumbQuik 6"x4" Flexible Fitting for Cast Iron, Plastic, Copper, Steel or Lead Pipes

Fernco, Inc.
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Sterling, MA:
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The dimensional flexibility of these Fernco couplings ensure leak-proof seals on: plastic, cast iron, steel, and copper. All couplings are clearly marked with part number, size, and pipe materials that the coupling will connect.

  • Tested designs backed by over four decades of proven performance
  • Positive seal against infiltration and exfiltration
  • Leakproof, rootproof and are resistant to chemicals, ultraviolet rays, fungus growth, and normal sewer gases
  • Conforms to ASTM D 5926, C 1173 and CSA B602
  • Conforms to applicable portions of ASTM C 443, C 425, C 564 and D 1869
  • Connects pipes of same or different sizes and materials quickly and easily
  • Stainless steel clamps are corrosion-resistant and rustproof


  • Installation torque: 60 lbs.
  • Maximum test pressure: 4.3 PSI (29.6KPA)
  • Maximum operating temperature: 140° F non-consistent
  • Minimum operating temperature: -30° F