Heil Quaker ICP 1185867 Control Board 320788-703 this is a mechanical rebuild

this is a mechanical rebuild kit

the 163893 is specifically balanced for Reznor draft inducer applications to ensure the correct CFM

Dripping often indicates thermal expansion in a closed system or debris trapped on the seat disc

This specific model is factory-set to 4

Heil Quaker ICP 1185867 Control Board 320788-703 this is a mechanical rebuildThe Heil Quaker ICP 1185867 Control Board is a critical OEM replacement designed for Heil, Quaker, and International Comfort Products (ICP) gas heating systems. Engineered as a direct fit furnace control board, this component manages the ignition sequence, inducer motor operation, and draft pressure monitoring to ensure safe, consistent thermal performance. As a veteran grade gas ignition control, the 1185867 features on board diagnostics via LED