Carrier HH84AA021 Main Circuit Board | PartsHnC

Manufacturer Name: Carrier
Product Number: HH84AA021
OEM Part Number: HH84AA021

The Carrier HH84AA021 is a vital component in your Carrier HVAC system, specifically functioning as the main circuit board. This circuit board acts as the of your furnace, regulating various functions like ignition, airflow, and safety features. It receives signals from thermostats and sensors.