This charcoal-style core is specifically formulated to remove wax

Common failure points include a loose center hub

preventing tripped breakers and winding overheating

If the unit is exposed to the elements

Versatile Compatibility: Seamlessly replaces legacy models including the JD-2-GREY air switch and CSE-1103

Heil Quaker ICP 1187170 Wiring Harness 321042-401 This charcoal-style core is specificallyThe Heil Quaker ICP 1187170 Wiring Harness is a genuine OEM replacement part engineered for high performance HVAC electrical systems. Designed specifically for compatibility with International Comfort Products (ICP), Heil, Arcoaire, and Tempstar units, this harness assembly ensures seamless power distribution and signal integrity between the integrated furnace control board, inducer motor, and safety limit switches. As a critical furnace wiring repair