They are technically identical and represent the same physical control unit used in the field

VAV terminal units

Use a multimeter to confirm the circuit is dead

ensuring a drop-in fit for standard blowers

The mechanical fail-safe mechanism is optimized for airtight closures in larger dampers and control valves

Heil Quaker ICP 1186435 Blower Motor 321894-709 They are technically identical andThe Heil Quaker ICP 1186435 Blower Motor is a critical OEM replacement part designed to restore factory spec airflow to ICP, Heil, and Comfortmaker furnaces and air handlers. As a 3 4 HP ECM blower motor, this component utilizes electronically commutated technology to provide variable speed operation, which significantly reduces energy consumption compared to standard PSC motors while maintaining consistent static pressure. This specific model is the