Household plumbing comprises the device of pipes, fixtures

https://canvas.hms.harvard.edu/eportfolios/641/home/what-causes-blocked-drains-in-your-plumbing-system

Household plumbing comes to the system of pipes, furnishings, and fittings set up for water distribution and waste removal in residential constructions. Proper maintenance guarantees competent operation and stops high priced repairs.