配管

1. Origins, structure, and basic meaning

• Structure: 配管 is read as はいかん and is a noun and する verb for installed piping or a plumbing system.
• Basic usage: Replacing water piping appears in 水道の配管を交換する, while water leaking from piping appears in 配管から水が漏れる.

2. Common pitfalls and similar expressions

• Installed system and leak source
  • Mark the replaced system with を and the leak source with から.
• Difference from 管
  • 配管 denotes installed connected piping rather than one tube or pipe.