For contractors replacing a S1-324-36086-389 variable speed motor

Set your multimeter to the DC microamp (µA) scale and connect it in series between the sensor terminal and the control board lead

this is a Carrier proprietary part designed for use within the Carrier/Bryant/Payne equipment family to ensure HVAC system safety and performance

eliminating the risks associated with universal aftermarket parts

Heil Quaker ICP 1184783 Control Board 322057-301 For contractors replacing a S1-324-36086-389The Heil Quaker ICP 1184783 Control Board serves as a direct fit OEM integrated furnace control (IFC) for specific Heil, Tempstar, Comfortmaker, and ICP gas furnaces. This circuit board manages critical sequence operations, including the inducer motor, hot surface ignition (HSI), and blower timing, ensuring precise combustion cycles and safety monitoring. As a veteran preferred replacement, the 1184783 furnace control is designed to address common