BCFURNACE
021-180
+5% Tax • Shipping calculated at checkout.
U.S. Duties/Taxes, if applicable, may be due at time of delivery.
BROAD; MAIN CONTROL BOARD SUBASSEMBLY
Pickup available at 75 Blue Mountain St #3
Usually ready in 24 hours

BROAD; MAIN CONTROL BOARD SUBASSEMBLY Control Board, Circuit, Ignition Modulating
+5% Tax • Shipping calculated at checkout.
U.S. Duties/Taxes, if applicable, may be due at time of delivery.
Pickup available at 75 Blue Mountain St #3
Usually ready in 24 hours
This Main Control Board Subassembly serves as the central processing unit for your HVAC system, ensuring peak performance and energy efficiency. Designed for ignition modulating systems, this high-quality circuit board manages critical functions including the ignition sequence, blower motor timing, and safety sensor monitoring. If your furnace or air handler is failing to start, experiencing erratic heating cycles, or showing diagnostic error codes, a replacement control board is often the necessary solution to restore reliable operation. Engineered for precision and durability, this electronic subassembly integrates seamlessly with your climate control equipment to maintain consistent indoor comfort. It acts as the primary communication hub between your thermostat and the mechanical components of the appliance, making it an essential component for residential heating and cooling maintenance.
Compatible parts and related replacements
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