Heil Quaker ICP 1171166 Circuit Board

As a seasoned technician, you know that the Heil Quaker ICP 1171166 Integrated Circuit Board is the central nervous system of the furnace, coordinating essential sequences from the initial call for heat to the final blower overrun. This OEM furnace control board replacement is engineered specifically for International Comfort Products (ICP) equipment, ensuring seamless communication between the thermostat, inducer motor, and gas valve. When a system presents with erratic cycling or a complete ignition failure, this ICP furnace circuit board is often the primary suspect, especially if you observe pitted relays or thermal stress on the underside of the PCB.

Replacing the older Heil Quaker control module with the 1171166 ensures your customer’s unit maintains factory-spec safety protocols and timing sequences. This HVAC integrated circuit board is a direct-fit component, eliminating the need for complex field modifications or bracket adjustments. Whether you are dealing with a Heil Bryant Carrier replacement board situation or a standard ICP repair, this module provides the precision voltage management required to protect expensive induction motors and igniters from premature failure during high-demand cycles.

• Direct OEM Compatibility: Verified as an official International Comfort Products 1171166 part for a drop-in replacement that reduces time on the job site.
• Standardized Wiring Interface: Uses industry-standard spade terminals and multi-pin connectors to prevent wiring errors and ensure secure electrical junctions.
• Advanced Logic Control: Manages the timing for hot surface igniters and blower delays to optimize heat exchanger efficiency and prevent overheating.
• Robust Build Quality: Constructed with high-grade solder joints and components designed to withstand the vibration and thermal fluctuations common in residential air handlers.

Does this board replace the Carrier LH33WP003?
Yes, the 1171166 is a functional replacement for several legacy Carrier and Bryant part numbers, including LH33WP003 and LH33WP003A, making it a versatile addition to your service truck inventory.

How do I troubleshoot a suspected board failure on an ICP unit?
First, verify 24V power at the R and C terminals. If the thermostat is calling for heat but the inducer relay doesn't click or send 120V to the motor, and you've verified the limit string is closed, the board's logic is likely compromised.

Can I use this board for both natural gas and propane configurations?
The circuit board is responsible for timing and electronic switching; it is compatible with both gas types as long as the furnace's manifold and burner orifices are correctly jetted.

Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.