Aha Trivia Stuff Everyone Should Know
Aha Trivia: Stuff Everyone Should Know · ahatrivia.com/mb-plumbing-a99c96c2626c

Why must special non-conductive fittings join cast iron to other metals?

To prevent corrosion between dissimilar metals.

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  1. To change the water pressure
  2. To prevent corrosion between dissimilar metals ✔
  3. To make the pipe heavier

Why: Non-conductive fittings avoid corrosion from electrochemical reactions between dissimilar metals.

Huh, didn't know that: Non-conductive fittings avoid corrosion from electrochemical reactions between dissimilar metals.

The dad joke
Those fittings keep metals from sparking conflict.
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References

Answer: To prevent corrosion between dissimilar metals. Non-conductive fittings avoid corrosion from electrochemical reactions between dissimilar metals.

  1. Plumbing en.wikipedia.org/wiki/Plumbing
    special non-conductive fittings must be used where transitions are to be made to other metallic pipes
    Checked 2026-11-07.

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