Patent ID: 8321970

Claim:
A plumbing system for interconnection with a bathtub that has an overflow port and a drain port, comprising: an overflow assembly that includes: an overflow pipe with an elbow portion defining an upper end portion, which is adapted for interconnection with the overflow port, and a lower end portion, which is adapted for interconnection with a wastewater drain assembly, said upper end portion having an outer end defining an inlet, said upper end having threads on an outer surface thereof; a lip extending radially outwardly from said outer surface of said overflow pipe between said elbow portion and said upper end portion and being spaced from said inlet; a nut element with a threaded portion that is compatible with said threads of said overflow pipe, said nut element having an outer periphery with a series of radially extending lugs that detachably engage an inner surface of a cap that fits over said nut; and a waste water insert for selective engagement with a strainer that is associated with the wastewater drain assembly.