fixture

element that is being secured to the base material via fasteners

a receptacle with necessary appurtenances designed for a specific purpose, the use or operation of which results in a discharge into the sanitary plumbing or sanitary drainage installation

fixed or permanently attached items in a building that cannot be removed without causing damage and would remain upon a change in occupancy, such as a bath, water closet suite, stove, built-in cupboards, etc
See also: fitting; sanitary fixture