Fasco K674 Motor 319848-301 also identified as the AMI-1SS3

also identified as the AMI-1SS3 moisture indicator

The CCWLE (Counter Clockwise Lead End) rotation and screw-type vertical shaft-down mounting profile allow for a seamless drop-in installation on compatible models such as the 4TTV8X60A1000AA and 4TWV0X36A1000AA

set the switches to the specific 2-10 Vdc range to ensure the controller correctly interprets 2V as 0% capacity and 10V as 100%

this factory-spec switch ensures seamless integration with existing wiring harnesses and mounting brackets

as this HVAC replacement part is essential for restoring the communication link between the integrated system controller and the drive head

Fasco K674 Motor 319848-301 also identified as the AMI-1SS3The Fasco K674 Motor is a high performance shaded pole blower motor engineered for drop in compatibility in specific draft inducer and HVAC blower assemblies. Operating at 115V with a 1. 9 Amp draw, this single phase (1P) motor delivers a consistent 3000 RPM to maintain critical static pressure in furnace combustion systems. The CW rotation is determined from the lead end, making it an essential service part for restoring airflow in residential