Patent ID: 8607376

Claim:
A waste water insert adapted to be associated with a strainer that includes a strainer flange with an interconnected strainer wall having an inner surface of a first diameter, comprising: a horizontal flange having a lip around a periphery of said flange; an insert wall having an outer surface of a second diameter extending downwardly from said horizontal flange, said outer surface being devoid of grooves, ridges, or serrations, said insert wall adapted to be spaced from said strainer wall; a seal having a proximal end and a distal end made of a resilient material, said seal also having a tapered surface at said distal end, said seal extending along said outer surface of said insert wall surface of said insert wall from said horizontal flange to a lower portion of said insert, said seal having a portion between said proximal end and said distal end and above said tapered surface that is adapted to contact the inner surface of the strainer wall, said seal when installed does not contact the strainer wall at said proximal end and said distal end of said seal; and wherein said horizontal flange of said waste water insert is adapted to rest on the strainer flange, wherein said insert wall extends downwardly into an opening defined by the strainer, and said seal is adapted to be positioned within a space provided between an outer surface of said insert wall and the inner surface of the strainer wall.