Lamb 115334 ametek motor is a very common motor in many central vacuum brands and models. 115334 motor is a Lamb Ametek original motor. Specifications: Fan Stages - 2 Bottom Diameter - 7.2" Voltage - 110-120 Hertz - 50-60 Height - 6" Bolt Height - 1.5" Waterlift - 110" CFM - 102.7 AirWatts - 384 Amps - 12