Order before 3PM CST — ships same day.
Standard delivery 2-5 business days. Express options at checkout.
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This genuine OEM Carrier integrated furnace control board is the brain of your GA1AAD048100AAJA gas furnace. It manages the entire heating sequence: igniter timing, inducer and blower operation, gas valve control, safety lockouts, and fault diagnostics shown by the board's LED. A failed control board causes no ignition, blower problems, erratic cycling, or a furnace that won't respond to the thermostat at all. Built to exact Carrier specifications, this board ensures correct timing and full compatibility with your furnace's sensors and safeties. Installation is moderate and usually takes 30-45 minutes: cut power at the breaker, photograph every wire connection, transfer the plugs to the matching terminals on the new board, and mount it. The labeled connectors make a one-for-one swap straightforward. Choosing OEM avoids the timing and compatibility issues that aftermarket boards introduce. Reading the diagnostic LED first confirms the board is truly the failed component. In stock and ships same-day on orders placed before 3PM CST.
This part is compatible with Carrier model GA1AAD048100AAJA.
Same-day shipping before 3 PM CST. 30-day returns on uninstalled parts.