LENNOX ARMSTRONG DUCANE FAN CONTROL BOARD Control Board, Circuit, Ignition Modulating
+5% Tax • Shipping calculated at checkout.
U.S. Duties/Taxes, if applicable, may be due at time of delivery.
ICM AH4103, R76700013, AH4103, R45632-001, 10W57, 45632001, 10U94
Pickup available at 75 Blue Mountain St #3
Usually ready in 24 hours
Not sure this fits your furnace? Call us — we're happy to help
This premium Fan Control Board is a high-quality replacement circuit board designed specifically for Lennox, Armstrong, and Ducane HVAC systems. As a critical component of your heating and cooling equipment, this board manages the ignition modulating process and regulates the blower motor's timing to ensure optimal airflow and energy efficiency. It acts as the primary communication hub for your furnace or air handler, coordinating between the thermostat and the mechanical components to maintain consistent indoor temperatures. If your system is failing to start, experiencing blower motor issues, or showing irregular ignition cycles, replacing the control board can restore reliable performance and prevent further damage to your unit. This durable circuit board is engineered for long-term stability and precise control in residential and light commercial HVAC applications.
Our team is happy to help you verify compatibility before you order. We'll confirm it fits your specific furnace model.
1-778-759-9864Mon–Sat 8AM–9PM PST · Or email parts@bcfurnace.com
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