The term “plumbing equipment” shall mean all potable water supply systems or equipment, including all potable water supply and distribution pipes, potable water treating equipment, and potable water using equipment; all plumbing systems supplied with water or which receive liquid or liquid-borne wastes, including all receptacles, devices, or appliances appurtenant to such systems; all drainage systems, including their respective joints and connections, devices, receptacles, and appurtenances; and all fuel gas piping, water heaters and vents for same.
(Ord. 1646 §2 (part))