This A166 centrifugal blower accepts 115V, 50/60 Hz, 1.4 amps power input and has a sleeve bearing for blower motor shaft support. The single-speed, single inlet blower has a free air output rating of 115 cubic feet per minute (CFM) at 3,200 per minute (RPM). The blower produces 110 CFM of air flow at 0.1" (inches water gauge) static pressure (SP), 100 CFM at 0.2", 95 CFM at 0.3", 85 CFM at 0.4", 82 CFM at 0.5", 60 CFM at 0.6", 40 CFM at 0.7", and 10 CFM at 0.8". The motor is thermally protected to guard against overheating. This centrifugal blower is (UL) recognized and (CSA) certified for quality assurance and is suitable for use in heating and ventilation applications such as exhaust vent fans for furnaces.SpecificationsMotor1-speed, 115V, 50/60 Hz, 1.4 amp, sleeve bearing, thermally protectedBlower typeCentrifugal, single inlet, 4-hole mountFree air output115 CFM at 3,200 RPMCFM at static pressure (SP)110 CFM of air flow at 0.1" SP, 100 CFM at 0.2", 95 CFM at 0.3", 85 CFM at 0.4", 82 CFM at 0.5", 60 CFM at 0.6", 40 CFM at 0.7", and 10 CFM at 0.8"Specifications metUL recognized, CSA certified manufactures blowers and motors for heating, ventilation, and cooling systems. The company, founded in 1911, is headquartered in , MO.