Household plumbing consists of the components of pipes, furniture

https://ventsmagazine.com/2023/02/01/a-clogged-drain-in-your-house-can-be-due-to-plumbing-issues/

Household plumbing involves the device of pipes, furniture, and fittings mounted for water distribution and waste removing in residential homes. Proper preservation ensures powerfuble operation and prevents highly-priced maintenance.