An appurtenance does not demand additional water supply, nor does it add any discharge load to a fixture or the drain system. It is presumed that the appurtenance performs some useful function in the operation, maintenance, servicing, economy, or safety of the plumbing system.

What is an appurtenance in plumbing?

Plumbing appurtenance: means a manufactured device, or a prefabricated assembly, or an on-the-job assembly of component parts, and which is an adjunct to the basic piping system and plumbing system and plumbing fixtures.

What is the necessity of pipe appurtenances?

Various pipe appurtenances or fixtures are required to carry out inspections, tests, and cleaning and repairing works on isolated portions of pipes. The accessories include valves, manholes, insulation joints, anchorages, etc.