Heil Quaker ICP 1183386 Circuit Board 321702-401 Durable SPDT Circuitry: Provides versatile

Durable SPDT Circuitry: Provides versatile wiring options for standard safety loops

Common Questions & Troubleshooting Is the 8201-013BX compatible with older Bard units

Common Questions: How do I verify if the 100171955 is compatible with my boiler

By providing real-time data to the panel

it modulates airflow to match furnace firing rates

Heil Quaker ICP 1183386 Circuit Board 321702-401 Durable SPDT Circuitry: Provides versatileThe Heil Quaker ICP 1183386 Circuit Board is a critical OEM replacement furnace control board engineered for high performance thermal regulation in compatible Heil and Quaker heating systems. Built to handle the rigorous demands of residential HVAC applications, this integrated furnace controller functions as the primary diagnostic and operational hub, coordinating the blower motor, induced draft motor, and gas valve sequences. It is specifically