Patent ID: 7624472

Claim:
An in-wall central vacuuming system having a central receptacle and a vacuum pump for drawing dirt and dust into a network of piping and into the receptacle, the system comprising: a) at least one port having a first opening for receiving a flexible tubular hose, an electrical inlet valve disposed along a top portion of the at least one port; b) an interior wall mounting plate positioned behind the at least one port and having a second opening such that the first and second opening are axially aligned when the at least one port is attached to the interior wall mounting plate, and a wiring box having an opening for guiding electrical wires from the electrical inlet valve to the AC power source, the wiring box attached atop of said interior wall; c) a rearwardly extending tubular portion of the interior wall mounting plate positioned along a back side thereof; d) an elbow having a first and second opening, the first opening attached to the rearwardly extending tubular portion; e) a first pipe section having a top and a bottom end, the first pipe section bottom end attached to the elbow second opening; f) a coupler member having a top and bottom section with corresponding top and bottom ends of different inner diameter, the coupler member bottom end having a narrower inner diameter than the top end, the first pipe section top end press fit into the coupler bottom end; g) a second pipe section having a bottom end press fit into the coupler member top end; and h) the second pipe section forming a network of piping terminating at the central vacuuming system receptacle.