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 control board is the electronic brain of your HVAC system, managing ignition sequencing, blower timing, safety lockouts, and communication between the thermostat and your unit's components. Designed as an exact-fit replacement for the Carrier HC1CJX018000AAAA, it arrives with the correct relay layout, connector pinouts, and firmware logic so your system's safeties and timings behave precisely as the factory intended. Symptoms of a failing board include no response to thermostat calls, intermittent operation, error codes, or short cycling. Installation is best handled by an experienced DIYer or HVAC technician: kill power at the disconnect, label every wire, photograph the harness, and transfer connectors to the matching terminals on the new board. Choosing the OEM board over a universal kit eliminates the guesswork of jumper settings and ensures full diagnostic LED compatibility. Backed by our parts specialists and quality guaranteed. In stock and ships same-day on orders placed before 3PM CST.
This part is compatible with Carrier model HC1CJX018000AAAA.
Same-day shipping before 3 PM CST. 30-day returns on uninstalled parts.