Heil Quaker/ICP 17122000011123 Air Conditioner Control Board

Air Conditioner Control Board for Heil Quaker/ICP 17122000011123. This durable replacement part powers your cooling system with precise control over thermostat signals, fan speeds, and compressor timing, helping restore reliable performance.

Designed to work with DFS4, DFF4, and DFC4 models, this HVAC control board ensures compatibility with Heil Quaker/ICP systems. Reference numbers DFF4AH12J1A and DFF4HH12J1A are supported.

This replacement board is built to meet factory specifications, delivering durable construction and stable performance across a range of operating conditions. By restoring accurate sensing and control, it minimizes preventable failures and keeps your cooling system running efficiently.

• Direct-fit replacement for Heil Quaker/ICP air conditioners (DFS4, DFF4, DFC4)
• Model numbers: DFF4AH12J1A, DFF4HH12J1A
• Restores thermostat control, fan speed regulation, and compressor timing
• Improves system diagnostics and fault reporting
• Easy installation with standard wiring harness compatibility

Investing in this Heil Quaker/ICP control board helps extend the life of your air conditioner and maintain efficient cooling performance year-round. It is a practical choice for replacing worn, signal-corrupted boards and reducing unexpected outages.