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In plumbing, what is a 'water closet'?

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Correct Incorrect Though often used to mean bathroom, in plumbing 'water closet' usually means the toilet tank itself.

In plumbing, what is a 'water closet'?

  • The tank on the back of a toilet or similar fixture.
  • The bathroom.
  • The waste water stack.
  • The utility closet from which the plumbing valves can be reached.
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