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'''Plumbing''' describes the systems of pipes, fixtures and appliances we use to move potable (drinking) [[water]] into and through our [[home]]s and [[building]]s, heat it, use it, and safely dispose of the wastewater. The tradesman who is a trained expert in doing this work in accordance with [[building code]]s is called a plumber. Plumbing is one of the [[building trades]].
'''Plumbing''' describes the systems of pipes, fixtures and appliances we use to move potable (drinking) [[water]] into and through our [[home]]s and [[building]]s, heat it, use it, and safely dispose of the wastewater. The tradesman who is a trained expert in doing this work in accordance with [[building code]]s is called a plumber. Plumbing is one of the [[building trades]].
The word comes from ''plumbum'', the [[Latin]] word for [[lead]], from which water pipes were originally made. Lead ceased to be used for pipework in the 1960s because of its toxicity, but may still be found in older properties.
Water usually enters the system either from a public wwater main via a meter, or from a private well and pressure tank. it is then conveyed under pressure to the various fixtures that need it. One main appliance is the hot water heater, after which a series of pipes usually runs in parallel with the cold water pipes.
Water usually enters the system either from a public wwater main via a meter, or from a private well and pressure tank. it is then conveyed under pressure to the various fixtures that need it. One main appliance is the hot water heater, after which a series of pipes usually runs in parallel with the cold water pipes.