Household plumbing consists of the process of pipes, fixtures
https://profdev-lms.tlos.vt.edu/eportfolios/1034/home/why-a-plumber-should-be-hired-for-home-leaks
Household plumbing comprises the technique of pipes, furniture, and fittings hooked up for water distribution and waste removal in residential homes. Proper protection guarantees powerful operation and prevents highly-priced maintenance.