Metrovac 110-120V Variable Switch – MVC-46A OHM 120-144397 Metropolitan Vacuum
Part fits the following vacuums ADM-4SFV | ADM4PNHSNBFVC | ADM4PNHSNBFVT | ADM4SNBFVC | AFTD- 1V | AFTD-2V | AFTD-3V | B-3V | DV-3ESD1V | MB-3V | MDV-2BAV | MDV- 2TAV | MDV-2TCAV | MDV-3BAV | MDV-3TAV | MDV-3TCAV | OV-4BCSFV | OV-4PNHSFV | OV4PNHSNBFV | OV4SNBF-200CV | OV4SNBFVC | T-3HZBV | Brand new and includes new knob.