Heil Quaker ICP 1188193 Control Board 320788-703 the 99M66 heater kit is

the 99M66 heater kit is rated for multiple orientations

this slide-type reversing valve ensures reliable operation during defrost cycles and seasonal mode shifts

Industrial Build Quality: Steel housing with a baked enamel finish provides superior protection in demanding mechanical rooms

This pan is specifically designed for 2-row N-coil configurations

Heil Quaker ICP 1188193 Control Board 320788-703 the 99M66 heater kit isThe Heil Quaker ICP 1188193 Control Board is a critical OEM replacement ignition control designed for International Comfort Products (ICP) furnaces and packaged units. As an essential interface for the intermittent pilot ignition system, this board manages the sequence of operation by interlocking with the gas valve, inducer motor, and flame sensor to ensure safe and reliable thermal cycles. This genuine ICP factory part is engineered to eliminate