Carrier HH84AA021 is a genuine OEM main control circuit board for Carrier, Bryant, and Payne high-efficiency furnaces. This microprocessor-based board regulates ignition sequencing, blower motor control, heating operation, and system diagnostics. Direct replacement for multiple prior part numbers including HH84AA015, HH84AA017, HH84AA018, and CESO110019.
Carrier HH84AA021 Main Control Circuit Board
Carrier
$146.95
In Stock
- SKU:
- HH84AA021
- Product Type:
- Control Circuit Board
- Subcategory:
- Furnace Control
- Application:
- Residential
- System Type:
- Furnace, Heat Pump, Air Handler
- Installation Type:
- OEM Replacement
- Voltage:
- 18-30 VAC, 120/240 VAC
- Voltage Class:
- Low Voltage
- Fuel Type:
- Natural Gas
- Control Type:
- Programmable
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