Patent ID: 7398857

Claim:
An apparatus for draining fluid from a holding tank, the apparatus comprising: a first portion having an axial bore extending therethrough, the axial bore being defined by an upper end and a lower end, an-outer wall surrounding the axial bore extending from the lower end to the upper end, the upper end adapted to engage an existing drain hole of the holding tank such that fluid communication is established between the axial bore and the holding tank; at least one notch of a predetermined size and configuration to achieve a desired flow, the at least one notch forming an opening within the outer-wall of the bore; a second portion having a plate member with a plurality of leg members, the lower end of the bore being permanently affixed to the plate member; and a reservoir surrounding the leg members, the reservoir having a base portion with an external wall extending upward therefrom to surround the leg members, each leg member extending downward into the base portion and being permanently affixed thereto; and the base portion having an aperture for providing an outlet for drainage of the fluid from the holding tank.