ULTRAVIOLET LIGHT EMITTING SYSTEMS THAT REGULATE A LIQUID FLOW

摘要

A system (100) for regulating a liquid flow through a drain, the system including a cartridge (102) having a valve subsystem (136, 138) that is disposed within the drain. An ultraviolet light emitter (148) is disposed within the system such that ultraviolet light is emitted on at least one of a fluid passageway of the cartridge and at least a portion of the drain downstream of the cartridge.